To Search this page simply
press CTRL F
There are 3,200+ entries here
From:
|
Download the entire National Association of Division Order Analysts mergers list here…
Mergers NADOA
To:
|
| 101 Energy Corporation |
Same (Subsid: Crawley Petroleum Corporation) |
| 1400 Corp. |
Conquest Exploration Company |
| 201 Corporation |
Centurion Corporation |
| 3300 Corp. |
Conquest Exploration Company |
| 3DX Technologies Inc. (Houston) |
Esenjay Exploration Inc. |
| 3Tec Energy Corp. |
Same (Houston) |
| 906 Olive Corporation |
Same (Affil: Meridian Oil, Inc.) |
| A |
| A & J Oil Company |
Thomas, Nelson R. |
| A & K Petroleum Company |
Kerr-McGee Corporation |
| A. F. D. Capital Group Inc. |
Same |
| A-1 Bit & Tool |
Same (Subsid: Homco International, Inc. |
| A-2 Acquisitions Partnerships (1996 & 1997) |
Dissolved into (A-2 Resources Corp.) |
| A-2 Development and Production Company |
Same (Subsid: A-2 Resources Corp.) |
| A-2 Energy and Exploration Partners, LLC |
Same (Subsid: A-2 Resources Corp.) |
| A-2 Exploration Corp. |
Same (Subsid: A-2 Resources Corp.) |
| AA Development Corporation |
AA Energy Corporation |
| AA Energy Corporation |
Same |
| AA Minerals Corporation |
Supron Energy Corporation |
| Aaron Oil Corporation |
Altmark Energy Inc. |
| Abaca Oil Company |
Mapco Production Company |
| Abacan Resource Corp. |
Same |
| Abbeville Operating Corp. |
Bintliff, D.C. |
| Aberdeen American Petroleum Company, Inc. |
Same |
| Aberdeen Oil & Gas Corporation |
Aberdeen Petroleum Corporation |
| Aberdeen Petroleum Corporation |
Adobe Royalty, Inc. |
| Abney Oil Co. |
P & O Falco, Inc. |
| Abraxus Petroleum Corporation |
Same |
| Acacia Natural Gas Corporation |
Same (Subsid: DevonEnergy Corp) |
| Acadi Energy Company |
Oxoco, Inc. |
| Acadian Gas GP |
Tejas Gas |
| Access Energy Corp. |
Enron Gas Service Corp. |
| Acquisition – VI Corporation |
Louis Dreyfus Natural Gas Corp. |
| Ada Belle Oil Company |
Penn-Virginia Resources Corp. |
| ADA Resources Corp. |
Adams Resources & Energy, Inc. |
| Adams Resources & Energy, Inc. |
Same |
| Addax Petroleum Corporation |
Same |
| Addington Brothers Mining Co. |
Ashland Oil, Inc. |
| Adena Exploration |
Dissolved (See notes in back) |
| Adobe Acquisition Corp. |
High Plains Oil Corporation |
| Adobe Oil and Gas Corp. |
Adobe Royalty, Inc. |
| Adobe Resources Corporation |
Santa Fe Energy Resources, Inc. |
| Adobe Royalty, Inc. |
Adobe Resources Corporation |
| AEC Gas Company |
Encana Corp |
| AEC Gulf of Mexico Inc. |
Encana Corp |
| AEC Oil and Gas (USA) Inc. |
Encana Corp |
| AETNA Oil Co. |
Ashland Oil & Refining Company |
| Agate Petroleum Inc. (N. Dakota Properties) |
Nance Petroleum Corporation |
| Agate Petroleum, Inc. |
St. Mary Land & Exploration Company (all US properties except N. Dakota) |
| AGM Corp. |
Diamond Shamrock, Inc. |
| Aikman Brothers, Inc. |
Same |
| Aikman Oil Corp. |
Aikman Brothers, Inc. |
| Akin, Matthew |
Same |
| Aladdin Oil Corp. |
Same (Los Angeles) |
| Alagasco Energy Company, Inc. |
Taurus Exploration, Inc. |
| Alamo Inc. |
Columbia Gas System, Inc. |
| Alamo Oil & Gas LTD-I |
Same (Affil: Torch Energy Corporation) |
| Alamo Oil & Gas LTD-II |
Same (Affil: Torch Energy Corporation) |
| Alamo Petroleum, Inc. |
Equitable Petroleum Corp. |
| Alanman Energy, Inc. |
Same |
| Alanmar Oil Company |
Alanmar Energy, Inc. |
| Alaska Interstate Company |
Union Texas Petroleum Corp. |
| Albantu Oil & Gas Corporation |
Socony Mobil Oil Company, Inc. |
| Alberta Energy Company, Ltd. |
EnCana Oil & Gas, Ltd. |
| ALCO Oil & Gas Corp. |
Ladd Petroleum Corp. |
| ALCOA, Inc. |
Same |
| Alder Oil Company |
ESCO, Inc. |
| ALECO, Inc. |
Same |
| Alene Oil Company |
Tenkay Resources, Inc. |
| Alexander Energy Corporation |
National Energy Group, Inc. (Dallas) |
| Alf Corporation (USA) |
Same |
| Alf Energy Companies |
Alf Corporation (USA) |
| Alf Oil Company |
Alf Energy Companies |
| Alfonso Production Company |
Cash Reserve Investments, Ltd. |
| Allegro Petroleum, Inc. |
North Star Resources, Ltd. |
| Allen Oil Company |
Ladd Petroleum Corp. |
| Allen Oil Tools, Inc. |
Kencope Energy Co. |
| Alliance Drilling Company |
Same |
| Alliance Exploration Corporation |
South Hampton Mineral Corp. |
| Alliance Operating, Inc. |
Gulfstream Resources, Inc. |
| Alliance Resources (USA) Inc. |
Same (Subsid: Alliance Resources PLC) |
| Allied Ashland Oil Company |
Ashland Oil Company |
| Allied Chemical Corporation |
Union Texas Natural Gas Corp. |
| Allied Consolidated Energy Inc. |
Allied Oil & Gas Corp. |
| Allied Materials Corp. |
Entex Petroleum, Inc. |
| Allied Oil & Gas Corp. |
Same (Houston) |
| Allis-Chalmers Energy, Inc. |
Same (Houston) |
| Alminex Ltd. |
Mobil Oil Corporation |
| ALN Resources Corp. |
American Natural Energy Corp. |
| Alpha – Omega, Inc. |
Omega Corporation |
| Alpha Energy Corp. |
Liquidated |
| Alta Energy Corp. |
Devon Energy Corp. |
| Altair Oil & Gas Company |
Mesa Petroleum Company |
| Alterio Resources Ltd. |
Paragon Petroleum Corp. |
| Altex Energy Corp. |
Altex Industries |
| Altex Industries |
Same |
| Altmark Energy Inc. |
Same |
| Altura Energy, Ltd. |
Same |
| Aluminum Company of America |
ALCOA, Inc. |
| Amacan Resources Corp. |
Spire International Corp. |
| Amalgamated Bonanza Petroleum Co. |
Chevron USA, Inc. |
| Amarex, Inc. |
Temex Energy, Inc. |
| Amarillo Minerals, Inc. |
Pioneer Nuclear, Inc. |
| Amarillo Oil Company |
Pioneer Production Corp. |
| Amax Oil & Gas, Inc. |
Universal Resources Corp. |
| Amax Petroleum Corp. |
CRA, Inc. |
| Amax, Inc. |
Cyprus Minerals Company |
| Ambassador Petroleum Corp. |
Anadarko Production Company |
| Amber Oil Company |
National Energy Group, Inc. (Dallas) |
| Amber Resources Co. |
Delta Petroleum Corp. |
| Ambrit Energy Corporation |
Castle Energy Corp. |
| AMCAN Oil Corp. |
Aminoil USA, Inc. |
| AmCog Acquisition Corp. |
Same (Subsid: American Exploration Company) |
| Amerac Energy Corporation (Houston) |
Southern Mineral Corp. |
| Amerada Corp. |
Amerada Petroleum Corp. |
| Amerada Hess Corporation (New York City) |
Same |
| Amerada Petroleum Company |
Amerada Hess Corporation |
| American Corporate Resources, Inc. |
Same (Affil: Meridian Oil Inc.) |
| American Eagle Petroleums Ltd. |
CS Resources Ltd. |
| American Energy Exploration Company |
Same |
| American Exploration Company |
Louis Dreyfus Natural Gas Corp. |
| American Exploration Drilling |
Pinto, Joseph |
| American Exploration Gas Systems Corp. |
Louis Dreyfus Natural Gas Corp. |
| American Exploration Production Company |
Same (Subsid: Louis Dreyfus Natural Gas Corp.) |
| American Independent Oil Company |
Aminoil USA, Inc. |
| American International Petroleum Corp. |
Aztec Energy Corp. |
| American Liberty Oil Company |
American Petrofina Co. of Tex. |
| American Marracaibo Oil Company |
Felmont Oil Corporation |
| American National Petroleum Co. |
Patrick Petroleum Co. |
| American Natural Energy Corp. |
Alexander Energy Corporation |
| American Natural Gas Production Company |
ANR Production Company |
| American Natural Resources Corp. |
ANR Production Company |
| American Oil & Gas Inc. |
Same (JV: North Finn LLC & Tower Columbia Corporation) |
| American Oil Company |
AMOCO Oil Company |
| American Oil Company of Texas |
Mobil Oil Corporation |
| American Pacific International Corp. |
Petro-Lewis Corp. |
| American Petrofina Co. of Texas |
Subsid: American Petrofina, Inc. |
| American Petrofina, Inc. |
Fina Oil and Chemical Company |
| American Promax Inc. |
Same (Vancouver, BC) |
| American Public Energy Company |
Amquest Corp. |
| American Quasar Petro. Co. of N.M. |
Wolverine Exploration Company |
| American Republic Oil Company |
Sinclair Oil Company |
| American Reserve Corp. |
Same (Subsid: Louis Dreyfus Natural Gas Corp.) |
| American Resources of Delaware, Inc. |
Same |
| American Royalty Petroleum Company |
Crescent Oil and Gas Corporation |
| American Trading & Production Corp. |
ATAPCO |
| Americex, Inc. |
Same |
| Ameriplor Corp. |
Same (Subsid: American Exploration Company) |
| Ameroil Energy Corp. |
ALN Resources Corp. |
| Amerox Acquisition Corp. |
Same (Subsid: American Exploration Company) |
| Amex Oil Company |
Same (Subsid: American Exploration Company) |
| AMINI Oil Company |
Teal Exploration, Ltd. |
| Aminoil USA, Inc. |
Phillips Petroleum Company |
| Aminoil, Inc. |
Phillips Oil Company |
| Amistad Land & Cattle Company, Inc. |
Spike Box Land & Cattle Company, Inc. |
| Amkan Acquisition Corp. |
Same (Subsid: American Exploration Company) |
| AMOCO Oil Company |
AMOCO Production Company |
| AMOCO Production Company |
BP Amoco, Inc. |
| AMPOL Exploration Company |
AMPOLEX (USA) Inc. |
| AMPOLEX (USA) Inc. (Denver) |
Same |
| Amquest Corp. |
Same |
| AMR Energy Corp. |
Toga Petroleum Company |
| AMVEST Corp. |
Same (Charlottesville, VA) |
| AMVEST Osage Inc. |
Constellation Energy Partners LLC |
| Anaconda Gold and Silver Company |
Anaconda Mining Company |
| Anaconda Mining Company |
Atlantic Richfield Company |
| Anadarko Land and Exploration Company |
ALECO, Inc. |
| Anadarko Petroleum Corporation |
Same |
| Anadarko Production Company |
Anadarko Petroleum Corporation |
| Anchor Bay Corp. |
Same |
| Anderman/Smith Operating Co. |
Same |
| Andermen Oils Wyoming, Inc. |
Heritage Energy Resources, Inc. |
| Anderson, Carl B. |
Same (also See Anson Company) |
| Anderson, Harold J., Inc. |
Same (New Orleans) |
| Anderson-Prichard Oil Company |
APCO, Inc. |
| Andover Oil Company |
Santa Fe Andover Oil Company |
| Andrews Production Company |
Same |
| Anflo, Clar, Welfeit |
Indian Royalty Company |
| Angeles Corp. |
Saxon Oil Development Partners |
| Anglo Energy, Inc. |
Nabors Industries, Inc. |
| Anglo Energy, Ltd. |
Rosewood Resources, Inc. |
| ANM Services Corp. |
Same (Subsid: American Exploration Company) |
| ANR |
Same (Subsid: Coastal Oil and Gas Corporation) |
| ANR Limited Inc. |
ANR Production Company |
| ANR Production Company |
Same (Subsid: Coastal Oil and Gas Corporation) |
| Anran Corporation |
Same |
| Anschutz Corporation (Denver) |
Same |
| Anschutz Dunwoody Drilling Co. Inc. |
Anschutz Corporation |
| Anschutz Gold Coast Corp. |
Same (Subsid: Anschutz Corporation) |
| Anschutz Investment Company |
Same (Subsid: Anschutz Corporation) |
| Anschutz Overseas Corp. |
Same (Subsid: Anschutz Corporation) |
| Anschutz Permain Corp. |
Same (Subsid: Anschutz Corporation) |
| Anschutz Western Corp. |
Same (Subsid: Anschutz Corporation) |
| Anschutz Wyoming Corp |
Same (Subsid: Anschutz Corporation) |
| Anson Company |
Chesapeake Mid-Continent Corp. |
| AnSon Corporation |
Chesapeake Mid-Continent Corp. |
| AnSon Gas Corporation |
Same (Affil: Anson Company) |
| AnSon Production Corporation |
Chesapeake Merger II Corp. |
| Antares Oil Corporation |
Oxford Consolidated, Inc. |
| Antelope Gas Products Company |
Antelope Production Company |
| Antelope Production Company |
Same |
| Antero Resources Corp. (Denver) |
XTO Energy, Inc. |
| Antlers Enterprises Inc. |
Simba Energy Corp. |
| Antonio Resources, Inc. |
Petroro Corporation |
| Anvil Petroleum Corp. |
Same |
| Apache Corporation (Houston) |
Same |
| Apache Exploration Corporation |
Apexco, Inc. |
| Apache Oil Corporation |
Apache Corporation |
| Apache Petroleum Co., LP |
Key Production Company, Inc. |
| Apache Petroleum Company |
Apache Corporation |
| Apache Petroleum Partnerships |
Same (Affil: Apache Corporation) |
| APC Operating Company |
Same (Affil: Apache Corporation) |
| APCO, Inc. |
Allied Chemical Corporation |
| APD Company |
Same (Affil: Apache Corporation) |
| Apex Oil Company Inc. |
Same |
| Apexco, Inc. |
Natomas North America, Inc. |
| APP Production Inc. |
Same (Affil: Torch Energy Corporation) |
| Appalachian Gas Sale Inc. |
Eastern Energy Marketing Inc. |
| APX Corporation |
Same (Subsid: Anadarko Petroleum Corporation) |
| APX Western Corporation |
Anadarko Petroleum Corporation |
| Aquataine |
Elf Aquataine, Inc. |
| Aquila Southwest Energy Corp. |
Same (Subsid: Aquilla Energy Corp.) |
| Aquila Southwest Marketing Corp. |
Same (Subsid: Aquilla Energy Corp.) |
| Aquila Southwest Pipeline Corp. |
Same (Subsid: Aquilla Energy Corp.) |
| Aquilla Energy Corp. |
Same (Houston) (Subsid: UtiliCorp United) |
| Arakis Energy Corp. |
Talisman Energy, Inc. |
| Arapaho Energy, Inc. |
Subsid: Arapaho Petroleum, Inc. |
| Arapaho Land Company, LLC |
Same (Affil: JMA Energy Company, LLC) |
| Arapaho Marketing Services, L.L.C. |
Same (Subsid: Brighton Energy, L.L.C.) |
| Arapaho Petroleum, Inc. |
Intoil, Inc. |
| Arapaho Ventures of New York, Inc. |
Subsid: Arapaho Petroleum, Inc. |
| Arapaho Ventures, Inc. |
Subsid: Arapaho Petroleum, Inc. |
| Arbuckle Oil Corporation |
Same |
| Arch Mineral Corp. |
Ashland Oil & Refining Company |
| Arch Petroleum Corp. |
Pogo Producing Company |
| ARCO Exploration Company |
Vastar Resources, Inc. |
| ARCO International Oil and Gas Co. |
Subsid: Atlantic Richfield Co. |
| ARCO Oil and Gas Corp. |
Vastar Resources, Inc. |
| ARCO Petroleum Products Company |
Subsid: Atlantic Richfield Co. |
| Arena Resources Inc. |
Sandridge Energy, Inc.(Pending 2010) |
| Argas Inc. |
Capital Energy Inc. |
| Argent Energy, Inc. |
Sonat Exploration Company |
| Argo Oil Corporation |
Atlantic Refining Company |
| Argo Petroleum Corp. |
Chevron USA, Inc. |
| Argo Royalty Company |
Argo Oil Corporation |
| Argosy Energy Inc. |
Garnet Resources |
| Arguello Inc. |
Same (Subsid: Plains Resources, Inc.) |
| Ariel Company |
Jerry Chambers Exploration Co. |
| Arkansas Bellwether Inc. |
Same (Affil: Torch Energy Corporation) |
| Arkansas Fuel Corporation |
Cities Service Oil & Gas Corp. |
| Arkansas Louisiana Gas Company |
ARKLA, Inc. |
| Arkansas Louisiana Pipeline Company |
ARKLA, Inc. |
| Arkansas Natural Gas Company |
Arkansas Natural Gas Corporation |
| Arkansas Natural Gas Corporation |
ARKLA, Inc. |
| Arkla Energy Resources Company |
Same |
| ARKLA Exploration Company (E & P) |
Seagull Energy Corporation |
| ARKLA Rio Offshore Exploration Company |
ARKLA Exploration Company |
| ARKLA, Inc. (Gas Transmission) |
NorAm Energy Corp. |
| Arkoma Production Company |
ARKLA Exploration Company |
| Arlington Ventures Ltd. |
Same |
| Artex Exploration Company |
ARKLA Exploration Company |
| Articles of Inc. Capital Company |
Transamerica Development Co. |
| Ascent Energy Inc. |
Same (Subsid: RAM Energy Resources Inc. – Tulsa) |
| Ascent Energy Louisiana, LLC |
Same (Subsid: Ascent Energy Inc.) |
| Ascent Operating, LP |
Same (Subsid: Ascent Energy Inc.) |
| Ascent Resources WV, Inc. |
Same (Subsid: Ascent Energy Inc.) |
| Ashland Exploration Holdings, Inc. |
Same |
| Ashland Exploration, Inc. |
Subsid: Ashland Oil, Inc. |
| Ashland Inc. |
Ashland Exploration Holdings, Inc. |
| Ashland Oil & Refining Company |
Ashland Oil, Inc. |
| Ashland Oil Canada |
Kaiser Resources |
| Ashland Oil Inc. |
Ashland Inc. |
| Aspen Group Resources Corp. |
Same |
| Associated Natural Gas, Inc. |
Pan Energy Field Services, Inc. |
| Associated Oil Company |
Texaco USA, Inc. |
| Associated Producers Company |
Associated Oil Company |
| Associated Royalty Company |
Same |
| Astra Resources, Inc. |
Same (Subsid: Western Resources, Inc.) |
| ATAPCO |
Same |
| Athabasca Company |
Home Petroleum Corporation |
| Atlantic Oil Producing Company |
Atlantic Refining Company |
| Atlantic Petroleum Storage Co. |
Atlantic Refining Company |
| Atlantic Refining Company |
Atlantic Richfield Company |
| Atlantic Richfield Company |
BP Amoco Inc. |
| Atlantis Resources, Ltd. |
Summit Resources, Ltd. |
| ATP Oil & Gas Corp. |
Same (Houston) |
| Atra Exploration Corp. |
Same |
| Aurora Gasoline Company |
Ohio Oil Company |
| Austin Drilling Company |
Southland Royalty Company |
| Austral Oil Company |
Mobil Oil Corporation |
| Austral Oil Company, Incorporated |
Same (Subsid: American Exploration Company) |
| Avance Oil and Gas Company, Inc. |
Amax Petroleum Corp. |
| Aviara Energy Corp. (Houston) |
Same (Affil: Hunt Petroleum Corp.) |
| Axem Energy Co. |
Same (Affil: Axem Resources Incorporated) |
| Axem Resources Incorporated |
Westport Oil & Gas Inc. |
| Axio Natural Resources, Inc. |
Chesapeake Energy Corporation |
| Axroyalty, Inc. |
Axem Resources Incorporated |
| Axyn Petroleum Corp. |
Drilcorp Energy Ltd. |
| Aztec Energy Corp. |
Same |
| Aztec Oil and Gas Company |
Same (Affil: Meridian Oil Inc.) |
| B |
| B & B Drilling Company |
Exxon Company USA |
| Babcock & Brown Energy Inc. |
Same |
| Babylon Oil Corp. |
Same (Affil: Torch Energy Corporation) |
| Baca Petroleum, Ltd. |
Baca Resources, Ltd. |
| Baca Resources, Ltd. |
Same |
| Baily, Vinson & Marion |
Sinclair Oil Corporation |
| Bakersfield Fuel and Oil Co. |
Berry Petroleum Corporation |
| Balco Energy Corp. |
Houston Oil Fields Company |
| Balcron Oil Company |
Equitable Resources Energy Company |
| Bald Eagle Energy Inc. |
Same (Houston) |
| Bald Eagle Energy Inc. (Houston) |
Same |
| Baldridge and King |
Champlin Petroleum Company |
| Ballard and Cordell |
Balco Energy Corp. |
| Bankline Oil Company |
Aminoil USA, Inc. |
| Banner Services, Inc. |
Devon Energy Corporation |
| Barago Energy Company |
Mission Resources Corp. |
| Barbour Energy Corporation |
Same |
| Barby Energy Corporation |
Latigo Oil & Gas Inc. |
| BarDon Oil Company |
Liquidated |
| Barfield Oil Corporation |
Evergreen Operating Corporation |
| Bargo Energy Company |
Mission Resources Corporation |
| Barnsdall Oil Company |
Sunray Oil Corporation |
| Barrett Energy Company |
Barrett Resources Corporation |
| Barrett Resources Corporation |
Williams Companies, The |
| Barrett, Bill Corporation |
Same (Denver) |
| Bartex Energy Corp. |
Same |
| Bartex Exploration Corp. |
Same |
| Baruch-Foster Corp. |
Hadson Energy Resources Corp. |
| BASF Corp. |
Wintershall Energy |
| Basin Drilling Corp. |
Texaco, USA, Inc. |
| Basin Exploration Inc. (Denver) |
Stone Energy Corp. |
| Basin Petroleum Company |
Texaco USA, Inc. |
| Basin Petroleum Corp. |
Texaco USA, Inc. |
| Basis Petroleum, Inc. |
Same (Subsid: Salomon Inc.) |
| Bass Bros. Enterprises, Inc. |
Bass Enterprises Producing Co. |
| Bass Enterprises Producing Co. |
Same |
| Bay Petroleum & C.U. Bay |
Tenneco Oil Company |
| Bay Pipeline, Inc. |
Conquest Exploration Company |
| Bayard Drilling Technologies, Inc. |
Same |
| BayCorp. Holdings Ltd. |
Same (Subsid: Sloan Group Ltd.) |
| Baytrust Oil Explorations LTD |
Same (Affil: Torch Energy Corporation) |
| Bayview Petroleum Company |
Mobil Oil Corporation |
| BB & O Oil Company |
Berry Petroleum Corporation |
| BBM Drilling Company |
Exxon Company USA |
| BCF Resources, Inc. |
Same |
| Beacon Oil Company |
Ultramar, Inc. |
| Bear Energy, LP |
Same(Subsid: Bear Stearns Companies, Inc.) |
| Bear Stearns Companies, Inc., The |
Same (NY, NY) |
| Bearcat Land, Inc. |
Same |
| Beard & Hammond |
Hammond, J.G. |
| Beard Company, The |
Beard Oil Company |
| Beard Oil Company |
Same |
| Beardmore Oil, Inc. |
Petroleum Company |
| Beaver Creek Hydrocarbons, Inc. |
Simba Energy Corp. |
| Beaver Mesa Exploration Company |
MGF Oil Corporation |
| BEC Merger Corp. |
The Beard Company |
| Belcher Oil Company |
Sabine Corp. |
| Belco Development Corporation |
BelNorth Petroleum Corporation |
| Belco Oil & Gas Corp. |
Westport Resources Corp. |
| Belco Petroleum Corporation |
BelNorth Petroleum Corporation |
| Belco Petroleum North America, Inc. |
Enron Oil & Gas Company |
| Belco Wyoming Corporation |
Enron Oil & Gas Company |
| Beldon & Blake Corporation |
Same |
| Beldon & Blake Energy Company |
Beldon & Blake Corporation |
| Bell Oil & Gas Company |
Vickers Refining Company, Inc. |
| Bell Oil Company |
Bell Oil & Gas Company |
| Bell Petroleum Company |
Sabine Corporation |
| Bellexco Inc. |
Same (Affil: Torch Energy Corporation) |
| Bellwether Exploration Co. (Houston) |
Mission Resources Corp. |
| BelNorth Energy Company |
Enron Oil & Gas Company |
| BelNorth Energy Corporation |
Enron Oil & Gas Company |
| BelNorth Petroleum Corporation |
BelNorth Energy Corporation |
| Belridge Oil Company |
Shell Oil Company, Inc. |
| Ben Franklin Refining Company |
Bell Oil and Gas Company |
| Benedum-Trees Oil Company |
Kerr-McGee North American Onshore Corporation |
| Bennet Petroleum Corporation |
Abraxus Petroleum Corporation |
| Benton Oil & Gas Co. |
Same |
| Benz Energy Inc. |
Same (Houston) |
| Benz Oil Corporation |
Benz Energy Inc. |
| Berkley Petroleum Corporation |
Anadarko Petroleum Corporation |
| Berry & Ewig |
Berry Petroleum Company |
| Berry & Ewig Oil Company |
Berry Petroleum Company |
| Berry Holding Company |
Berry Petroleum Company |
| Berry Improvement Company |
Berry Petroleum Company |
| Berry Oil Company |
Berry Petroleum Company |
| Berry Oil Trading & Transpiration Company |
Berry Petroleum Corporation |
| Berry Petroleum Company |
Berry Petroleum Corporation |
| Berry Petroleum Corporation (Taft, CA) |
Same |
| Berry, C.J., Dredging Company |
Berry Petroleum Company |
| Beta Development Company |
Mesa, Inc. |
| Beta Oil & Gas Inc. |
Same (Newport Beach, CA) |
| Beta Oil & Gas Inc. (Houston) |
Prtrohawk Energy Corporation |
| BG Gas Services (US) |
British Gas Exploration & Production Co. (Subsid: British Gas (PLC)) |
| BHP Petroleum (Americas) Inc. |
Same |
| BHP Petroleum Company Inc. |
Same |
| Big 10 Oil Company |
Berry Petroleum Corporation |
| Big A Well Service Company |
Key Energy Group, Inc. |
| Big Chief Drilling Company |
Entex Petroleum, Inc. |
| Big Four Petroleum Company |
Same |
| Big Horn Fractionation Company |
Western Gas Processors, Ltd. |
| Big Piney Oil & Gas Company |
National Energy Group, Inc. |
| Big Sky Marketing Corporation |
Ocean Energy, Inc. |
| Big West Drilling |
Alliance Drilling Company |
| Bintliff, D.C. |
Same |
| Birch Ranch Oil Company |
Shell Oil Company, Inc. |
| Bird Creek, LLC |
Same (Subsid: Chesapeake Energy Corp.) |
| Bishop Oil Company |
Shell Oil Company, Inc. |
| Bison Energy Corporation |
Middle Bay Oil Company, Inc. |
| BJ Services Company |
Same (Houston) |
| B-L Associates |
Same |
| Black Hills Exploration and Production, Inc. |
Same (Rapid City, SD) |
| Black Rock Partners LLC |
Coronado Resources LLC |
| Black Sea Energy, Inc. |
Ivanhoe Energy, Inc. |
| Black Stone Acquisitions Partner I, L.P. |
Black Stone Natural Resources I, L.P. |
| Black Stone Minerals Company, LP |
Same (Houston) |
| Black Stone Oil Company |
Comstock Resources, Inc. |
| Black Warrior Wireline Corp. |
Warrior Energy Services Corporation |
| Blackbird Company |
Same (Affil: Axem Resources Incorporated) |
| Blackhawk Oil Company |
Same (Affil: Torch Energy Corporation) |
| Blackjack Resources, Inc. |
Same |
| Blanco Oil Company |
Sohio Petroleum Company |
| Blazer Energy Corp. |
Eastern States Oil & Gas, Inc. |
| Blessure Hydrocarbons Corp. |
Same |
| Blue Dolphin Energy Company |
Same (Houston) |
| Blue Dolphin Exploration Company |
Same (Subsid: Blue Dolphin Energy Company) |
| Blue Quail Oil Company |
Silverridge Corp. |
| BMR Corporation |
HS Resources, Inc. |
| BN Financial Services Inc. |
Same (Affil: Meridian Oil Inc.) |
| BN Geothermal Inc. |
Same (Affil: Meridian Oil Inc.) |
| BN Leasing Inc. |
Same (Affil: Meridian Oil Inc.) |
| BN Services, Inc. |
Same (Affil: Meridian Oil Inc.) |
| BNL Development Corp. |
Same (Affil: Meridian Oil Inc.) |
| Bodcaw Oil Properties |
Placid Oil Company |
| Boesche, Peter |
Same |
| Bogert Oil Company |
Louis Dreyfus Energy Corp. |
| Bogert, Richard D. |
BOGO Energy Corporation (operated properties) |
| BOGO Energy Corporation |
Same |
| Boise Southern Company, Inc. |
Sonat Minerals, Inc. |
| Boltex Oil & Gas Company |
Same |
| Bolyard Oil & Gas Ltd. |
Camelot Corporation |
| Bomac Exploration Company |
W.R. Grace and Company |
| Bonanza Petroleum, Inc. |
Same |
| Bonneville Fuels Corp. (Denver) |
CEC Resources, Ltd. |
| Bonneville Pacific Corp. |
Same (Los Angeles) |
| Bonray Drilling Corp. |
Bayard Drilling Technologies, Inc. |
| Bonray Energy Company |
EOG (Oklahoma) Inc. |
| Boomer Marketing Corp. |
Same (Subsid: Alexander Energy Corporation) |
| Border Exploration Company |
Coastal Oil & Gas Corporation |
| Border Resources Inc. |
Lomak Energy Services Co. |
| Boswell Corp. |
Grace Petroleum Corporation |
| Boswell Energy Corporation |
Grace Petroleum Corporation |
| Bosworth Oil Company |
Same |
| Boundary Oil Co. |
Conquest Exploration Company |
| Boundary Properties |
Conquest Exploration Company |
| Bow Valley Industries |
Same |
| Bow Valley Petroleum, Inc. |
Great Western Resources, Inc. |
| Box Energy Corporation |
Remington Oil & Gas Corp. |
| BP |
British Petroleum Company |
| BP Amoco Inc. |
Same |
| BP Canada |
Talisman Energy, Inc. |
| BP Exploration Inc. |
BP Amoco, Inc. |
| BP Exploration Inc. (lower 48 onshore) |
TEX/CON Oil & Gas Company |
| Bracell Petroleum |
Murphy Oil Corporation |
| Bracewell Development Corp. |
Same (Affil: Torch Energy Corporation) |
| Bracken Energy Company |
Same |
| Bradco Oil & Gas Company |
Nichols Oil and Gas Company |
| Bradford Corp. |
Same |
| Bradford Energy Corp. |
Bradford Corp. |
| Bradford Petroleum Co. |
Bradford Energy Corp. |
| Bradley Producing Corporation, The |
Triton Producing Company |
| Bradmar Petroleum Corporation |
Alexander Energy Corporation |
| Brandywine Oil |
Atlantic Richfield Company |
| Braun, C.F. |
Satnta Fe Braun, Inc. |
| Bravo Natural Resources Inc. (Tulsa) |
Chesapeake Energy Corp. |
| Brazos Oil and Gas Corp. |
Same (Subsid: Dow Chemical) |
| Breck Operating Corporation |
Same |
| BRG Petroleum Corporation |
Chesapeake Energy Corp. |
| BRG Petroleum Inc. |
Seagull Energy Corp. |
| BRG Production Company |
BRG Petroleum Corporation |
| BRI Holding Corp. |
Chippewa Resources Corp. |
| Bridge Oil Company |
Parker and Parsley Development Partners, LP |
| Bridgeline Holdings LP |
Chevron |
| Bridger Petroleum Corp. |
Home Petroleum Corporation |
| Brigham Exploration Co. |
Brigham Oil & Gas, L.P. |
| Brigham Oil & Gas, L.P. |
Same |
| Brighton Acquisitions Company. L.L.C. |
Same (Subsid: Brighton Energy L.L.C) |
| Brighton Energy, L.L.C. |
Same |
| Brilliant Minerals Corporation |
Womad Oil Company |
| Brinson and Collines |
United Producing Company |
| Bristol Resources Corp. |
Same (Tulsa) |
| Bristol Resources Production Company |
Same (Subsid: Bristol Resources Corp.) |
| British American Oil Company |
Gulf Oil Company |
| British Gas (PLC) |
Same |
| British Petroleum Company (US) |
Sohio Petroleum Company |
| British-Borneo Petroleum, Inc. |
Same (Subsid: British-Borneo Petroleum Syndicate, PLC) |
| Brock Exploration Corporation |
Key Production Company, Inc. |
| Broken Hill Proprietary Co. Ltd. |
BHP Petroleum Company, Inc. |
| Bronco Drilling Inc. |
Same (Subsid: Allis-Chalmers Energy) |
| Bronco Energy, Inc. |
Same (Tuscon) |
| Brookhave Oil Company |
Lear Petroleum Corp. |
| Brooklyn Union Gas |
Fuel Resources |
| Brooks Hall Oil Company |
Alexander Energy Corp. |
| Brown – Saratoga Corporation |
Same |
| Brown & Root |
Halliburton Company |
| Brown, The R.J. Company |
Ashland Oil & Refining Company |
| Brown, Tom Inc. (Midland) |
Same (Subsid: EnCana Corp.) |
| Brustan Petroleum Corp. |
Same |
| Buckeye Exploration |
Keystone Exploration, Inc. |
| Buckhorn Oil Company |
Apache Corporation |
| Buckhorn Petroleum |
Harper Oil Company |
| Buffalo Capital V Ltd. |
Aladdin Oil Corp. |
| Buffalo Oil Company |
Conoco Inc. |
| Burdell Properties |
Mission Resource Partners, L.P. |
| Burkhart Petroleum Corp. |
Same (Houston) |
| Burlington Northern Petroleum, Inc. |
Same (Houston) |
| Burlington Northern, Inc. |
Same (Houston) |
| Burlington Resources Corp. |
ConocoPhillips |
| Burlington Resources Offshore Inc. |
ConocoPhillips |
| Burlington Resources Trading Company |
ConocoPhillips |
| Burmah Oil and Gas Company |
Aminoil USA, Inc. |
| Burnaby Enterprises, Inc. |
Unit Corporation |
| Burnett Oil Company |
Same |
| Burns, R.L. |
Pyro Energy Corp. |
| Burton/Hawks, Inc. |
Hawks Industries, Inc |
| Bush Oil Company |
Berry Petroleum Corporation |
| Buttes Gas & Oil Company |
Reunion Resources Company |
| Buttonwood Petroleum Corporation |
Gothic Energy Corporation |
| Buttram Energies, Inc. |
Same |
| Buttran Texhoma Company |
Buttran Energies, Inc. |
| Byrd Oil Corp. |
Mobil Oil Corporation |
| Byrd Operating Co. |
Same |
| C |
| C & K Petroleum, Inc. |
Enstar Petroleum Company |
| C.J. Company |
Berry Petroleum Corporation |
| Cabot Carbon Company |
Cabot Corporation |
| Cabot Corporation |
Cabot Oil & Gas Corporation |
| Cabot Oil & Gas Corporation |
Same |
| Cachuma Drilling Corporation |
Dyco Petroleum Corporation |
| Caim Energy USA |
Meridian Resource Corp. |
| Cal Dive International Inc. |
Same (Subsid: Helix Energy Solutions Group) |
| Calco, Inc. |
Chevron USA, Inc. |
| California Company, The |
Chevron USA, Inc. |
| California Oil Company |
California Company, The |
| California Petroleum Corp. |
Texaco USA, Inc. |
| California Security Plans, Inc. |
Burdell Properties |
| Callon Consolidated Partners LP |
Callon Petroleum Company |
| Callon Petroleum Company |
Same (Natchez, MS) |
| Calpine Corp. |
Same (Los Angeles, CA) |
| Calplans Corporation |
Burdell Properties |
| Calplans Oil and Gas Company |
Burdell Properties |
| Calplans Partners |
Burdell Properties |
| Calplans Resources |
Resource Partners |
| Calumet Creek Oil, Ltd. |
Atlantic Refining Company |
| Calumet Florida, Inc. |
Plains Resources, Inc. |
| Calumet Industries, Inc. |
Heritage Group, The |
| Calvert Exploration Company |
Sun Calvert Company |
| Camaroo Energy Co. |
C-Twentyette Oil and Gas Company (USA) |
| Cambridge Atlantic Royalty Company |
Ocean Energy, Inc. |
| Cambridge Oil & Gas Company |
Normandy Oil & Gas Co. |
| Camelot Corporation |
Same |
| Cameriana Petroleum Corporation |
Total Petroleum, Inc. |
| Camterra Resources, Inc. |
Same (Affil: Martex Drilling Company, LLP) |
| Can West Exploration, Inc. |
Same (Calgary) |
| Canaan Energy Inc. |
Chesapeake Energy Corp. |
| Canaan Exploration, LLC |
Same (Oklahoma City) |
| Canadian Angus Resources, Ltd. |
Abacan Resource Corp. |
| Canadian Export Oil & Gas |
Pacer Development |
| Canadian Futurity Oils, Ltd. |
Baca Resources, Ltd. |
| Canadian Homestead Gas Company |
Inter-City Gas |
| Canadian Industrial Gas & Oil |
Norcen Energy Resources |
| Canadian Merrill |
Francana Oil |
| Canadian Reserve |
Texaco USA, Inc. |
| Canadian Superior Oil |
Mobil Oil Corporation |
| Canadian Turbo, Inc. |
Same |
| CanArgo Energy Corp. |
Same (Houston) |
| Canetic Resources Trust |
Penn West Energy |
| Canman (U.S.), Inc. |
Amoco Production Company |
| Cannon Energy, Inc. |
Panther Energy Company, LLC |
| Cannon Texas, Inc. |
Cannon Energy, Inc. |
| Canstar Ventures Corp. |
Abacan Resource Corp. |
| Cantera Natural Gas LLC |
Copano Energy LLC |
| Capatsky Petroleum, Inc. (Calgary) |
Pease Oil Company |
| Capco Energy Inc. |
Same (Affil: Pyramid Petroleum. Inc.) |
| Capital Energy Inc. |
Same |
| Capitalistic, Inc. |
Fossil Bay Holding Co., Inc. |
| Capitan Petroleum |
E.E. Nearburg |
| Capitan, Inc. |
E.E. Nearburg |
| Capoil Inc. |
Montex Exploration Company |
| Captiva Minerals Inc. |
DLB Oil & Gas Inc. |
| Captiva Resources, Inc. |
Same |
| Caravelle Petroleum, Inc. |
Same |
| Carbon Energy Corp. |
Evergreen Resources, Inc. |
| Cardinal Petroleum Company |
Phillips Petroleum Company |
| Carissa Oil Company |
Berry Petroleum Corporation |
| Carl Oil & Gas Co. |
Same (Subsid: McFarland Energy, Inc.) |
| Carlile and Howell, Inc. |
Sonat, Inc. |
| Carlton Resources Corp. |
Ram Energy, Inc. |
| Carmen Acquisition, LLC |
Same (Subsid: Chesapeake Energy Corp.) |
| Carolina Oil & Gas |
Graham Exploration Corp. |
| Carper Drilling Company |
Cities Service Oil Company |
| Carrizo Oil and Gas Inc. |
Same |
| Carson Petroleum Corporation |
Devon Energy Corporation |
| Cartel, Inc. |
Same (Subsid: Washita Production Company) |
| Carter Oil Company, The |
Exxon Corporation |
| Cascade & H.Y. “Red” Davidson |
Pure Oil Company |
| Cascade Natural Gas Corp. |
MDU Resources Group Inc. |
| Caspian Energy International Inc. (Dallas) |
Puma Energy Inc. |
| Castle Energy Corp. |
Same (Subsid: Delta Petroleum Corp.) |
| Castle Mud & Chemical Company |
Matrix Energy, Inc. |
| Castulon Royalty, Inc. |
Roxana Resources, Ltd. |
| Caveham Energy Resources Inc. |
Same |
| Cavenham Forest Industries Inc. |
Caveham Energy Resources Inc. |
| CCE Holdings LLC |
Same (JV: Southern Union Company & GE Energy Financial Services) |
| CDX LLC (Dallas) |
TCW Group, Inc. |
| CEC Resources, Ltd. |
Same (Calgary) |
| Cedyco Corporation (Houston) |
Same |
| Celeron Oil and Gas Company |
Same |
| Celsius Energy Company |
Questar Exploration and Production Company |
| CenAlta Energy Services Inc. |
Same (Calgary) |
| Cenard Oil & Gas Company |
Chevron USA, Inc. |
| Cenergy Exploration |
Conquest Exploration Company |
| Cenergy International |
Conquest Exploration Company |
| Cenergy Midwest Co. |
Conquest Exploration Company |
| Cenergy Transmission |
Conquest Exploration Company |
| Cenex, Inc. |
Same |
| Centennial Natural Gas Corporation |
Grand Valley Gas Company |
| Centex Oil and Gas, Inc. |
Conquest Exploration Company |
| Central Del Rio |
Pan Canadian Petroleum |
| Centura Energy |
Minden Oil & Gas, Inc. |
| Centura Inc. |
Pennsylvania Castle Energy Corp. |
| Centurion Corporation |
Brown – Saratoga Corporation |
| CEP Mid-Continent LLC |
Same (Subsid: Constellation Energy Partners LLC) |
| CH4 Corp. |
Bill Barrett Corporation |
| Chalaco, Ltd. |
Jerry Chambers Exploration Co and Laser Oil Co. |
| Chambers, Jerry Exploration Company |
Same (Affil: Axem Resources Incorporated) |
| Champion Reserve Corporation |
Same |
| Champlin Oil & Gas Corp. |
Champlin Petroleum Company |
| Champlin Oil & Refining Corp. |
Champlin Petroleum Company |
| Champlin Petroleum Company |
Union Pacific Resources Company |
| Champlin Refinery Company |
Champlin Oil & Refining Corp. |
| Chance Collar Co. |
Same (Subsid: Homco International, Inc.) |
| Chansler Western Oil & Development |
Santa Fe Energy |
| Chaparral Energy Inc. |
Same (Oklahoma City) |
| Chaparral Resources Inc. (New York) |
Lukoil Overseas Holdings Inc. |
| Chapman Energy, Inc. |
Coda Energy, Inc. |
| Chapman Resources Corp. |
Chapman Energy, Inc. |
| Charlestown Industries, Inc. |
Same |
| Charter E & P |
Crystal Oil |
| Charterhall America Inc. |
Aviva America Inc. |
| Chencere Petroleum Corp. |
Adobe Resources Corporation |
| Cherokee Resources, Inc. |
Wynn-Crosby 1994, Ltd. |
| Chesapeake Energy Corp. |
Same |
| Chesapeake Energy Marketing, Inc. |
Same (Subsid: Chesapeake Energy Corp.) |
| Chesapeake ENO Acquisition, LLC |
Same (Subsid: Chesapeake Energy Corp.) |
| Chesapeake Exploration Company |
Chesapeake Exploration Limited Partnership |
| Chesapeake Exploration Limited Partnership |
Same (Subsid: Chesapeake Energy Corp.) |
| Chesapeake Gas Development Corporation |
Chesapeake Exploration Limited Partnership |
| Chesapeake Gothic Corp. |
Chesapeake Mid-Continent Corp. |
| Chesapeake KNAN Acquisition, LLC |
Same (Subsid: Chesapeake Energy Corp.) |
| Chesapeake Louisiana, LP |
Same (Subsid: Chesapeake Energy Corp.) |
| Chesapeake Merger II Corp. |
Chesapeake Mid-Continent Corp. |
| Chesapeake Mid-Continent Corp. |
Chesapeake Exploration Limited Partnership |
| Chesapeake Operating, Inc. |
Same (Subsid: Chesapeake Energy Corp.) |
| Chesapeake ORC, LLC |
Same (Subsid: Chesapeake Energy Corp.) |
| Chevron Corporation |
Same (Houston) |
| Chevron Corporation |
Same (Houston) |
| Chevron Texaco Corp. |
Chevron Corporation |
| Chevron USA, Inc. |
Chevron Texaco Corp. |
| Chicago Corporation, The |
Champlin Oil & Refining Corp. |
| Chief Holdings LLC |
Devon Energy Corporation |
| Chieftain International, Inc. |
Hunt Oil Company |
| Chieftain Petroleum, Inc. |
Entex Petroleum, Inc. |
| Chinook Pipeline, Inc. |
Nucorp Energy, Inc. |
| Chinook Resources, Inc. |
Nucorp Energy, Inc. |
| Chippewa Resources Corp. |
Same |
| CHK-Staghorn Acquisition LP |
Same (Subsid: Chesapeake Energy Corp.) |
| Choate, Jack H., Inc. |
Ray Resources Corporation |
| Christie, Mitchell & Mitchell |
Mitchell Energy Corporation |
| Chuska Resources Corp. |
Same (Subsid: Harken Energy Corp.) |
| CIGE Merger Company, LLC |
El Paso Production |
| Cimarex Energy Company |
Same (Denver – Tulsa) |
| Cimarron Gathering LLC |
Copano Energy LLC |
| Cimarron Operating Company |
Same (Subsid: Lomak Petroleum, Inc.) |
| Cimarrona Limited Liability Company |
Same (Affil: the GHK Company) |
| Cincinnati Gas and Electric Company |
Cinergy Inc. |
| Cinergy Corp |
Cinergy Inc. |
| Cinergy Inc. |
Duke Energy Corp. |
| Circle A Drilling, Inc. |
Anschutz Corporation |
| Cirque Energy Corp. |
Tikal Resources Corp. |
| Cirrus Production Company |
Same (Enid, OK) |
| CITCO |
Cities Service Oil & Gas Corp. |
| Citgo Petroleum Corp. |
Subsid: Southland Corp. |
| Cities Service Company |
Cities Service Oil & Gas Corp. |
| Cities Service Gas Company |
Cities Service Oil & Gas Corp. |
| Cities Service Oil & Gas Corp. |
OXY USA Inc. |
| Cities Service Oil Company |
Cities Service Oil & Gas Corp. |
| Cities Service Petroleum Company |
Cities Service Oil Company |
| Cities Service Pipeline Company |
Southland Corporation |
| Cities Service Refining Corp. |
Cities Service Oil Company |
| Citrus County Land Bureau, Inc. |
Subsid: Weco Development Corp. |
| Clajon Gas Co., L.P. |
Aquila Southwest Pipeline Corp. |
| Clajon Holdings, L.P. |
Aquila Southwest Energy Corp. |
| Clajon Marketing, L.P. |
Aquila Southwest Marketing Corp. |
| Clark Oil & Refining Company |
Apex Oil Company |
| Clarkland Royalty, Inc. |
Same (Affil: Meridian Oil Inc.) |
| Clarkland, Inc. |
Same (Affil: Meridian Oil Inc.) |
| Classic Energy, Inc. |
Same (Subsid: Chesapeake Energy Corp.) |
| Classic Petroleum Resources |
Same (Subsid: Chesapeake Energy Corp.) |
| Clayoquot Resources, Ltd. (Calgary) |
Same |
| Cleary Exploration, Inc. |
Same |
| Cleary Petroleum Corporation |
Grace Petroleum Corporation |
| Cleary Petroleum, Inc. |
Cleary Production, Inc. |
| Cleary Production, Inc. |
Same |
| Clements Energy, Inc. |
NERCO Oil & Gas, Inc. |
| Clements-Bloomer Resources |
Clements Energy, Inc. |
| Clinton Oil Company |
Energy Reserves Group, Inc. |
| Clipper Oil Company |
Nutek Oil Inc. |
| CLX Energy, Inc. |
Same |
| CLX Exploration, Inc. |
CLX Energy, Inc. |
| CMS Continental Natural Gas Inc. |
CMS Field Services Inc. |
| CMS Energy Corp. (Dearborn, MI) |
Same (Subsid: Consumers Energy, Inc.) |
| CMS Field Services Inc. |
Same (Subsid: CMS Energy Corp.) |
| CNG Corporation |
CNG Producing Company |
| CNG Producing Company |
Dominion Exploration & Production, Inc. |
| Coastal Oil & Gas Corporation |
El Paso Corp. |
| Coastal Oils, Inc. |
Same (Affil: Garrett & Co. – Oklahoma City) |
| Coastal States Gas Company |
Sabine Production Company |
| Coastal States Gas Producing Company |
Coastal Oil & Gas Corporation |
| Cobb Oil & Gas Company |
Same |
| Cobb Resources Corporation |
Golden Oil Company |
| Cobopco, Inc. |
Cobb Oil & Gas Company |
| Cockrell Oil & Gas LP |
UNOCAL Corporation |
| Coconino SMA, Inc. (Park City, UT) |
Same |
| Coda Energy, Inc. |
Same (Subsid: Belco Oil & Gas Corp.) |
| Cody Company |
Cabot Oil & Gas Corporation |
| Cody Energy, L.L.C. |
Cabot Oil & Gas Corporation |
| CoEnergy Anadarko, Inc. |
MCNIC Oil & Gas Midcontinent, Inc. |
| CoEnergy Mid-Continent, Inc. |
MCNIC Oil & Gas Midcontinent, Inc. |
| CoEnergy Operating, Inc. |
MCNIC Oil & Gas Midcontinent, Inc. |
| Coho Resources, Inc. |
Coho Resources, Ltd. |
| Coho Resources, Ltd. |
Same |
| COI |
Same (Subsid: Chesapeake Energy Corp.) |
| Coldren Oil & Gas Company, LP |
Same (New Orleans) |
| Coldren Resources Company |
Same (Subsid: Coldren Oil & Gas Company, LP) |
| Coline Gasoline Corporation |
Santa Fe Energy Company |
| Collins & Ware Inc. |
Same (Midland) |
| Colorado Interstate Gas Company |
Coastal Oil & Gas Corporation |
| Colorado Oil and Gas Corporation |
Coastal Oil & Gas Corporation |
| Colorado Oil and T and P |
Same |
| Colorado Oil Company |
Coastal Oil & Gas Corporation |
| Colt Intermodal Inc. |
Same (Affil: Meridian Oil Inc.) |
| Colt Resources, Inc. |
Same (Subsid: JN Oil and Gas, Inc.) |
| Columbia Carbon Company |
Cities Service Oil & Gas Corp. |
| Columbia Energy Co., L.P. |
Same |
| Columbia Energy Group |
NiSource, Inc. |
| Columbia Fuel Company |
Cities Service Oil & Gas Corp. |
| Columbia Gas Development Corp. |
Aviara Energy Corp. |
| Columbia Gas System, Inc. |
Columbia Energy Group |
| Columbia Natural Resources LLC |
Chesapeake Energy Corp. |
| Columbia Petroleum Corporation |
Same |
| Columbus Energy Corporation |
Same (Subsid: Cimarex Energy Company) |
| Comanche Energy Inc. |
Same (Dallas) |
| Comet Drilling Company |
Ocean Energy, Inc. |
| Comet Entertainment, Inc. |
Texoil, Inc. |
| Comex Marine Service |
Same |
| Common Parent Corporation |
Same (Affil: Meridian Oil Inc.) |
| Comstock Resources, Inc. |
Same (Dallas) |
| Concho Exploration Inc. |
Chesapeake Energy Corp. |
| Concho Oil & Gas Corp. |
Chesapeake Energy Corp. |
| Concho Resources Inc. |
Chesapeake Energy Corp. |
| Concise Oil and Gas Partnership |
Same (Affil: Hallwood Energy Companies) |
| Concord Oil Company |
Same (Houston) |
| Concur Petroleum |
Guaranty Energy |
| Conder |
Same |
| Conoco Inc. |
ConocoPhillips |
| ConocoPhillips |
Same (Houston) |
| Conquest Energy Co. |
American Exploration Company |
| Conquest Exploration Company |
American Exploration Company |
| Conquest Exploration Company |
Same |
| Conquest Texas, Inc. |
Conquest Exploration Company |
| Conquest Transmission Company |
Boundary Properties, Inc. |
| Consolidated Fuel Corporation |
Exploration Company of Louisiana |
| Consolidated Gas Utilities Corporation |
ARKLA, Inc. |
| Consolidated National Gas |
CNG Corporation |
| Consolidated Oil & Gas, Inc. |
Hugoton Energy Corporation |
| Consolidated Oil Corporation |
Sinclair Oil Corporation |
| Consolidated Production |
Petro-Lewis Corp. |
| Constellation Energy Parners LLC |
Same (Houston) |
| Consumers Gas |
Same |
| Consumers Power Company |
U.S. Energy Corp. |
| Continental Natural Gas, Inc. |
CMS Energy Corp. |
| Continental Natural Gas, Inc. |
Same |
| Continental Oil Company |
Conoco Inc. |
| Continental Resources Corp. |
Chapman Resources Corp. |
| Continental Resources, Inc. |
Same (Enid, OK) |
| Continental Trend Resources Corp. |
Continental Resources Inc. |
| Contour Energy Company |
Same (Houston) |
| Converst Energy Partners, Ltd. |
Convest Energy Corp. |
| Convest Energy Corp. |
Edisto Resources Corp. |
| Convest Energy Corp. |
Same (Subsid: Windsor Energy Corp.) |
| Copano Energy LLC |
Same (Houston) |
| Coquina Oil Corp. |
Same (Subsid: American Nat’l Petroleum Co.) |
| Coral Drilling |
Same |
| Coral Reserves Group |
Canaan Energy Inc. |
| Core Oil and Gas |
Same |
| Corker Resources Inc. |
Same (Calgary) |
| Cornell Oil Company |
Same (See Notes in back) |
| Cornet |
Conder |
| Coronado Corporation |
AMOCO Production Company |
| Coronado Resources LLC |
Same (Tulsa) |
| Corpus Christi Oil & Gas Company |
PG&E Resources |
| Cortez Oil & Gas Inc. (Dallas) |
Encore Acquisition Co. |
| Cosden Oil & Chemical Company |
American Petrofina Co. of Texas |
| Cosden Petroleum/Grace |
American Petrofina Co. of Texas |
| Coseka Resources Ltd. |
North Canadian Oils Ltd. |
| Costain Holdings Inc. |
Same |
| Costilla Energy Inc. |
Same |
| Costilla Energy LLC |
Costilla Energy Inc. |
| Costilla Petroleum Corporation |
Costilla Energy Inc. |
| Cotton Petroleum Corp. |
Apache Corporation (Oxy) |
| Cotton Valley Resources Corp. |
Aspen Group Resources Corp. |
| Coty |
Lario Oil and Gas Company |
| Courtaulds |
Same |
| Courtaulds North America Inc. |
Same |
| Cox & Cox |
Edwin L. & Berry R. Cox |
| Cox, Edwin L. and Berry R. |
Same |
| CP Resources Inc |
Redwood Energy (USA) Ltd. |
| CRA, Inc. |
Terra Resources, Inc. |
| Crabtree, F. Dale |
Jan-Dal Petroleum |
| Crawley Petroleum Corporation |
Same |
| Crescendo Resources, L.P. |
BP Amoco Inc. |
| Crescent Corporation |
Kerr-McGee Corporation |
| Crescent Oil & Gas Corp. (Colorado) |
Monument Resources, Inc. |
| Crescent Oil and Gas Corporation |
Livingston Oil Company |
| Crescent Petroleum, Inc. |
Same (Oklahoma City) |
| Creslenn Oil Company |
Deminex U.S. Oil Corp. |
| Crestmont Petroleum |
Cities Service Oil & Gas Corp. |
| Crestone Energy Corp. |
Same (Subsid: Benton Oil & Gas Co.) |
| Crimson Exploration Inc. |
Same |
| Cross Timbers Oil Company |
XTO Energy Inc. |
| Crown Central Petroleum Corp. |
Same (Subsid: Apex Oil Company Inc.) |
| Crown Partners, LLC (Oklahoma City) |
Same |
| Crown Zellerbach Corp. |
James River Corporation |
| Crusader Energy Company |
Encore Operating, LP |
| Crystal Gas Storage Inc. (Shreveport) |
El Paso Energy Inc. |
| Crystal Oil Company |
Diamond Oil Company |
| CS Resources Ltd. |
Same |
| CSL Partners |
Costilla Energy Inc. |
| CSX Oil & Gas Corporation |
Total Petroleum, Inc. |
| C-Twentyette Oil and Gas Company (USA) |
Tronz-Om US and Canada, Ltd. |
| Cudd Pressure Control Inc. |
Same (Subsid: RPC Inc.) |
| Cummins & Walker Oil Company, Inc. |
Corpus Christi Oil & Gas Co. |
| Cutlass Corporation |
201 Corporation |
| CXY, Inc. |
Same (Subsid: Canadian Occidental Petroleum, Ltd.) |
| Cypher Energy Corporation |
Alliance Exploration Corp. |
| Cyprus Capital Corp. |
Everest Energy Corp. |
| Cyprus Minerals Company |
Same |
| Cytoprobe Corporation |
Same |
| D |
| Dabros Properties, Inc. |
JN Exploration & Production |
| Dalco Oil Company |
Sabine Production Company |
| Daleco Resources Corporation (L.A., CA) |
Same |
| Dalen Resources Oil & Gas Co. |
Enserch Corp. |
| Dallas Oil & Minerals, Inc. |
Lomak Petroleum, Inc. |
| Damson Oil Corporation |
Same |
| Danciger |
Sinclair Oil Corporation |
| Daugherty Resources Inc. |
Same (Lexington, KY) |
| Davidson Oil & Gas, Inc. |
DLB Oil & Gas, Inc. |
| Dawson Production Services, Inc. |
Key Energy Group, Inc. |
| Days Corporation |
Echo, Inc. |
| DCP Midstream, Inc. |
Same (Subsid: Duke Energy Corp.) |
| DDD Energy Inc. |
Same (Subsid: Seitel Inc.) |
| Dean Brothers Oil Company |
Great Expectations |
| Deep Gas Exploration, Inc. |
RATEX Resources Incorporated |
| Deep Rock Oil Corporation |
Crescent Corporation |
| DeepKo Lease & Royalty Co |
Same |
| DEI Enterprises, Inc. |
Same |
| DEKALB Agricultural Association |
DEKALB Petroleum & DEPCO, Inc. |
| DEKALB Energy Canada, Ltd. |
Apache Corporation |
| DEKALB Energy Company |
Devon Energy Company |
| DEKALB Petroleum & DEPCO, Inc. |
DEKALB Energy Company |
| Del Mar |
Same |
| Del Mar Production |
Southland Royalty Company |
| Delhi Gas Marketing, Inc. |
Koch Midstream Gas Marketing Company |
| Delhi Gas Pipeline Company |
Koch Midstream Services Company |
| Delhi Gas Venture, Inc. |
Koch Industries, Inc. |
| Delhi GasMark, Inc. |
Koch Midsteram Gasmark Company |
| Delhi-Taylor Oil Company |
Tenneco Oil Company |
| Delhi-Trading Incorporated |
Koch Industries, Inc. |
| Delta Drilling Company |
Kerr-McGee North American Onshore Corporation |
| Delta Petroleum Corp. |
Same |
| Delta Rigging and Tool Inc. |
Same (Subsid: Austin Ventures-Austin, TX) |
| Delta U.S. Corporation |
Kerr-McGee North American Onshore Corporation |
| Deltaus Corporation |
Delta U.S. Corporation |
| Deminex U.S. Oil Corp. |
Southwest Royalties, Inc. |
| Denbury Offshore, Inc. |
Newfield Exploration Company |
| Denbury Resources Inc. |
Same (Dallas) |
| Deneve |
Same |
| Denver Producing Company |
Indian Royalty Company |
| DEPCO, Inc. |
DEKALB Energy Company |
| Desana Corporation, The |
Same (Subsid: Presidio Company) |
| Desert American Agency, Inc. |
Same (Affil: Meridian Oil Inc.) |
| Desert Magic Inc. |
Same (Affil: Meridian Oil Inc.) |
| Detex Oil Corp. |
Southwest Royalties, Inc. |
| Deven Resources, Inc. |
Same (Subsid: Daleco Resources Corporation) |
| Devon Corporation |
Devon Energy Corp. |
| Devon Energy Corp. |
Same (Oklahoma City) |
| Devonian |
Warren Petroleum Corp. |
| DevX Energy Inc. |
Comstock Resources, Inc. |
| Diamond A Inc. |
Coda Energy Inc. |
| Diamond Alkali Company |
Diamond Shamrock Exploration Co |
| Diamond Energy Operating Co. |
Coda Energy Inc. |
| Diamond Energy, Inc. |
Diamond Energy Operating Co. |
| Diamond M Corporation |
Same |
| Diamond M Offshore Corp. |
Diamond M Corporation |
| Diamond Oil Company |
Sun Oil Company |
| Diamond Shamrock Corp. (E&P Operations) |
Diamond Shamrock Exploration Co |
| Diamond Shamrock Exploration Co. |
Maxus Exploration Company |
| Diamond Shamrock Offshore Partners LP |
Meridian Oil Corp. |
| Diamond Shamrock, Inc. |
Ultramar Diamond Shamrock Corporation |
| Diamond, Harry H. |
Diamond Energy, Inc. |
| Diatom Petroleum Inc. |
Same (Bakersfield) (Subsid: Ivanhoe Energy, Inc.) |
| Distinct Properties Energy, Inc. |
Hare-Distinct Acquisition Corp. |
| Diversa, Inc. |
Homa Oil Company |
| Diverse Energy Investments, Inc. |
Same |
| Diversfied Energies |
Ocean Energy, Inc. |
| Dixel |
Blackjack Resources, Inc. |
| Dixel Resources, Inc. |
Owl Petroleum Company |
| Dixie Oil Company |
AMOCO Production Company |
| DKM Resources, Inc. |
Medallion Production Company |
| DLB Energy, Inc. |
DLB Oil & Gas, Inc. |
| DLB Oil & Gas, Inc. |
Chesapeake Mid-Continent Corp. |
| DMF Resources Inc. |
Same |
| Dome Petroleum Corp. |
Texaco USA, Inc. |
| Dominion Exploration & Production, Inc. |
Same (Subsid: Dominion Resources, Inc.) |
| Dominion Oklahoma Texas Exploration & Production, Inc. |
Linn Energy Inc. |
| Dominion Resources, Inc. |
Same |
| Doran & Associates, Inc. |
Cabot Corporation |
| Dorchester |
Damson Oil |
| Dorfman Production |
Heisler, W.H., Jr. |
| Dos Ninos Oil & Gas Inc. |
Simba Energy Corp. |
| Double Eagle Petroleum Co. (Casper, WY) |
Same |
| Double Eagle Petroleum Inc. |
Comanche Energy Inc. |
| Double H Petroleum Corp. |
ALN Resources Corp. |
| Dougherty, J.F., Company |
Same |
| Douglass Resources Corporation |
Cleary Petroleum Corporation |
| Dow Chemical Co., Inc. (Oil & Gas Div.) |
Apache Corporation |
| Drako Gas Partners, L.P. |
Tide West Oil Company |
| Dresser Industries, Inc. |
Halliburton Company |
| Dreyer Bros., Inc. |
Same (Affil: Meridian Oil Inc.) |
| Dreyfus, Louis, Natural Gas Corp. |
Dominion Exploration and Production, Inc. |
| Drilcorp Energy Ltd. |
Same |
| Drilley Co. |
Atlantic Richfield Company |
| Drilling and Exploratin |
Sinclair Oil Corporation |
| DRJ, Inc. |
Ocean Energy, Inc. |
| DSM Exploration, Inc. |
Gulf Production Corp. |
| Duer Wagner & Co. |
Wagner Oil Company |
| Duke Energy Corp. |
Same |
| Duke Energy Field Services |
DCP Midstream, Inc. (Subsid: Duke Energy Corp) |
| Duke Energy Field Services, Inc. |
Duke Energy Field Services, LP |
| Duke Energy Field Services, LP |
Same |
| Duke Power Company |
Duke Energy Corp. |
| Duncan Corp. |
Cobb Oil & Gas Company |
| Duncan Energy Company |
Babcock & Brown Energy, Inc. |
| Duncan Enterprises, Inc. |
DEI Enterprises, Inc. |
| Duncan, J. Walter Corp. |
Same |
| Dupre’ International Inc. |
National-Oilwell Inc. |
| Dupre’ Supply Company |
National-Oilwell Inc. |
| Dusty Mac Resources, Inc. |
TransGlobe Oil & Gas Corp. |
| Dyco Petroleum Corporation |
Same (Subsid: Samson Investment Company) |
| Dynamar Energy, Inc. |
Devon Energy Corporation |
| Dyne Exploration Company |
Same (Subsid: Ascent Energy Inc.) |
| Dynegy Inc. |
Same (Houston) |
| E |
| E.P. Operating |
Subsid: Enserch Corp. |
| Eagle Chief Royalty Company |
Faulkner Corp. |
| Eagle Mountain Energy Corp. |
Clinton Oil Company |
| EAI Acquisition Company Inc. |
Same (Affil: Torch Energy Corporation) |
| Earlsboro Energies |
Same (Subsid: Bogert Oil Co.) |
| Earlsboro Energies Corp. |
Earlsboro Energies |
| Earlsboro Energy Corporation |
Same |
| Earlsboro Oil and Gas Corp. |
Earlsboro Energies |
| Eason Oil Company |
Sonat, Inc. |
| East Tennessee Natural Gas |
Tenneco Oil Company |
| East Wall Street Corporation |
Socony Mobil Oil Company, Inc. |
| Eastern Energy Marketing Inc. |
Same (Subsid: The Eastern Group, Inc.) |
| Eastern Group, Inc., The |
Same (Subsid: Statoil, Inc.) |
| Eastern States Exploration Company |
Equitable Resources Energy Company |
| Eastern States Oil & Gas, Inc. |
Equitable Resources Energy Company |
| Eastern States Oil Company |
Signal Company |
| Eastern States Petroleum & Chemical Co. |
Eastern States Oil Company |
| Eastland Oil Company |
Sinclair Oil Corporation |
| Eberly and Meade, Inc. |
Meade Energy Corporation |
| ECC Energy Corp. |
West America Corp. |
| Echo, Inc. |
Same |
| Ecological Engineering Systems, Inc. |
Western Gas Processors, Ltd. |
| ECOS Corporation |
Same (Affil: Meridian Oil Inc.) |
| Ecova Corporation |
Amoco Production Company |
| Ecuanor ASA |
Rocksource ASA |
| Edge Petroleum Corp. |
Same |
| Edisto Resources Corp. |
Forcenergy, Inc. |
| Edwards & Leach Oil Company |
Alexander Energy Corporation |
| EEH Newco LLC |
Encana Corp. . |
| EEX Corp. |
Same |
| EEX Onshore, Inc. |
Same (Subsid: EEX Corp.) |
| EFA Technologies, Inc. |
Same |
| Egret Energy Corporation |
Same |
| El Can Petroleum Company |
Same (Affil: Meridian Oil Inc.) |
| El Dorado Oil Company |
Berry Petroleum Corporation |
| El Paso Corp. |
Same (Houston) |
| El Paso Energy, Inc. |
El Paso Corp. |
| El Paso Exploration and Production Company |
Same (Subsid: El Paso Natural Gas Co.) |
| El Paso Exploration Company |
Meridian Oil Inc. |
| El Paso Natural Gas Company |
Same (Houston) |
| El Paso Oil & Gas Acquisition Corp. |
Same (Subsid: El Paso Corp.) |
| El Paso Production Company |
Same (Subsid: El Paso Corp.) |
| El Paso Products Company |
Subsid: El Paso Natural Gas Co. |
| Elan Energy, Ltd. |
Same |
| Eland Energy Corporation |
Same |
| Elba Gas Company |
WOC Acquisition Company |
| Elders Resources North America Inc. |
New London Resources, Inc. |
| Elf Aquitaine Inc. |
Elf Exploration, Inc. |
| Elf Exploration, Inc. |
Same |
| Elk River Resources |
Sun Company, Inc. |
| Ellora Oil & Gas Inc. |
Same (Boulder) |
| Ellora Operating LP |
Same (Affil: Ellora Oil & Gas Inc.) |
| Ellwood Oil Company |
Southwest Royalties Inc. |
| Elmerado Petrocorp |
JAN-DI Corp. |
| EM Nominee Partnership Company |
Same (Affil: Hallwood Energy Companies) |
| Emerald Oil and Gas |
Out of Business – Liquidated |
| Empire Energy Company |
Amoco Production Company |
| Empire Gas and Fuel Company |
Empire Oil and Refining Company |
| Empire Oil and Refining Company |
Cities Service Oil & Gas Corp. |
| Empire Southern |
Andrews Production Company |
| EnCana Corp. |
Same |
| EnCana Oil & Gas, Ltd. |
EnCana Corp. |
| Encor Inc. |
Talisman Energy Inc. |
| Encore Acquisition Company |
Same (Ft. Worth) |
| Encore Operating LP |
Same (Ft. Worth) |
| Endeavor Pipeline Inc. |
Same (Subsid: GMX Resources Inc.) |
| Energen Resources Corporation |
Same |
| Energen Resources MAQ, Inc. |
Energen Resources Corporation |
| Energy Assets Capital Corp. |
Same (Affil: Torch Energy Corporation) |
| Energy Assets International Corp. |
Same (Affil: Torch Energy Corporation) |
| Energy Assets IV-A LTD |
Same (Affil: Torch Energy Corporation) |
| Energy Associates, Inc. |
General Atlantic Energy Corporation |
| Energy Development Corporation |
Same (Subsid: Samedan Oil Corp.) |
| Energy Exchange Corp. |
French Petroleum Corporation |
| Energy Investments Inc. |
Same |
| Energy Minerals Corp. |
HS Resources, Inc. |
| Energy Operations Nevada, LP |
Same |
| Energy Partners LTD (a/k/a EPL) |
Same (New Orleans) |
| Energy Partners Nominee Co. |
Duncan Energy Company |
| Energy Reserves Group, Inc. |
BHP Petroleum (Americas) Inc. |
| Energy Service Company, Inc. |
ESCO, Inc. |
| Enerplus Group |
Same |
| Enex Resources Corp. |
Same (Subsid: Midland Resources, Inc.) |
| English-American Import Export Co. |
Same (Affil: The GHK Company) |
| Enhance Oil Resources, Inc. |
Same (Houston) |
| Enjay Chemical Company |
Exxon Corporation |
| Enogex, Inc. |
Same (Subsid: Oklahoma Gas & Elec. Company) |
| Enopco Inc. |
UMC Petroleum Corporation |
| Enova Corporation |
Sempra Energy, Inc. |
| Enpal Inc. |
UMC Petroleum Corporation |
| ENRON Corp. |
Same |
| Enron Gas Service Corp |
Same (Subsid: ENRON Corp.) |
| Enron Oil & Gas Company |
EOG Resources, Inc. |
| Enserch Corp. |
EEX Corp. |
| Enserch Exploration |
Enserch Corp. |
| Ensign Oil & Gas Inc. |
Same |
| Ensign Oil Company |
Devon Energy Corporation |
| Ensource Inc. |
UMC Petroleum Corporation |
| Ensources Inc. |
UMC Petroleum Corporation |
| Enstar Petroleum Company |
Union Texas Petroleum Corp. |
| Enstar Petroleum, Inc. |
Enstar Petroleum Company |
| Ensyn Energy Inc. |
Ivanhoe Energy, Inc. |
| Ensyn Group Inc. (Boston) |
Ivanhoe Energy, Inc. |
| Ensyn Petroleum International |
Ivanhoe Energy, Inc. |
| Entell NGL Services, LLC |
Same (50/50 JV of Tejas Natural Gas Liquids LLC and Enterprise Products Partners, L.P.) |
| Enterprise Products Partners, L.P. |
Same (Houston) |
| Entex Petroleum, Inc. |
UMC Petroleum Corporation |
| Entex, Inc. |
Same (Affil: Arkla Energy Resources Company) |
| EOG (Oklahoma) Inc. |
Same (Subsid: Ensign Oil Gas Inc.) |
| EOG Resources, Inc. |
Same (Houston) |
| EOR International Inc. |
Uentech International Corp. |
| EPCO |
Same |
| EPL |
Same (See Energy Partners, Ltd) |
| Eppi Energies Corp. |
Same (Subsid: Gibson US Corp.) |
| EPSCO |
Flow-Quip Texas Inc. |
| EPX Company |
Same (Affil: Meridian Oil Inc.) |
| Equitable Petroleum Corp. |
Equitable Resources Energy Company |
| Equitable Production (Gulf) Company |
Westport Resources Corp. |
| Equitable Resources Energy Company |
Same (Pittsburgh) |
| Equity Oil Company (Salt Lake) |
Whiting Petroleum Corp. |
| ESCO Energy Inc. |
Edisto Resources Corp. |
| ESCO, Inc. |
Edisto Resources Corp. |
| Esenjay Exploration Inc. (Houston) |
Santos USA Corp. |
| Esmeralda Limited Liability Company |
Same (Affil: The GHK Company) |
| Esso Chemical Company, Inc. |
Exxon Corporation |
| Esso Standard Oil Company |
Humble Oil and Refining Co. |
| Estoril Producing Corporation |
Same |
| Ethel D. Company |
Berry Petroleum Corporation |
| Eureka Oil Company |
Same |
| Everest Energy Corp. |
Same (Calgary) |
| Evergreen Resources, Inc. |
Same (Denver) (Subsid: Pioneer Natural Resources, Inc.) |
| Excel Energy Corp. |
Barrett Resources Corporation |
| Excel Oil & Gas, Inc. |
National Energy Group |
| Excelsior Oil Corp. |
McMoran Oil & Gas Company |
| Exchange |
Transco |
| Exco Resources, Inc. |
Same (Dallas) |
| Exeter Oil Company |
Apache Corporation |
| Ex-Mission Ranches, Inc. |
Same (Affil: Meridian Oil Inc.) |
| Expedition Natural Resources Inc. |
Same (Subsid: GMX Resources Inc.) |
| Exploration Associates, L.P. |
Exploration Associates, LLC |
| Exploration Associates, LLC |
Same (Oklahoma City) |
| Exploration Company |
TXCO Resources, Inc. |
| Exploration Company of Louisiana (XCL) |
XCL, Ltd. |
| Exploration Company, The (San Antonio) |
TXCO Resources, Inc. |
| Exploration Drilling, L.P. |
Exploration Associates, LLC |
| Exploration, Inc. |
Presidio Exploration, Inc. |
| Express Acquisition Company |
Same (Affil: Torch Energy Corporation) |
| Exxon Company USA |
ExxonMobil Corp. |
| Exxon Corporation |
Exxon Company USA |
| ExxonMobil Corp. |
Same (Houston) |
| F |
| F & M Oil Company |
Same |
| F & P |
McMoran Oil and Gas Company |
| Fain Porter Production Company |
Same (Affil: The GHK Company) |
| Fairbanks and Haas Inc. |
Fortune Petroleum Corp. |
| Falcon Seaboard |
Diamond Shamrock Exploration Co |
| Fargo Oils LTD. |
Getty Oil Company |
| Farmer, Ed & Associates, Inc. |
EFA Technologies, Inc. |
| Farmers Union Central Exchange, Inc. |
Cenex, Inc. |
| Farmland Industries, Inc. |
Oxoco, Inc. |
| Farmland International Energy Co. |
Terra Resources, Inc. |
| Faulconer, Vernon E. Inc. |
Same |
| Faulkner Corp. |
Same |
| Faulkner Exploration, Inc. |
Faulkner Corp. |
| FEC Offshore Inventory Company |
Enron Oil & Gas Company |
| Federal Intermediate Credit Bank |
Farm Credit Bank of Wichita |
| Federal Land Bank of Wichita |
Farm Credit Bank of Wichita |
| Federated Natural Resources Corp. |
Cherokee Resources, Inc. |
| Felmont Oil & Gas Company |
Same (Affil: Torch Energy Corporation) |
| Felmont Oil Corporation |
Tenneco Oil Company |
| Ferguson and Bosworth |
Dissolved (See Notes in back) |
| Ferguson Oil and Gas Company |
Dome Petroleum Corp. |
| Ferguson Oil Company |
Same |
| Fidelity Capital Corporation |
Petrodynamics, Inc. |
| Fidelity Royalty Company |
Toklan Oil Company |
| Fifteen Oil Company |
Tenneco Oil Company |
| Fina Inc. |
Same |
| Fina Oil and Chemical Company |
Same (Subsid: Fina Inc.) |
| Finlay Energy Corp. |
Same |
| First Energy Corp. |
Same (Akron, Ohio) |
| Flag Oil Corp. |
Flag-Redfern Oil Corp. |
| Flag-Redfern Oil Corp. |
Kerr-McGee North American Onshore Corporation |
| Flores & Rucks, Inc. |
Ocean Energy, Inc. |
| Florida Exploration Company |
HNG Oil Company |
| Florida Gas Exploration Company |
Florida Exploration Company |
| Flow-Quip |
Flow-Quip Texas |
| Flow-Quip Texas Inc. |
Same |
| Fluor Minerals, Inc. |
Fluor Oil and Gas Corporation |
| Fluor Oil and Gas Corporation |
Primary Fuels |
| Flying Diamond Oil Corp. |
Bow Valley Industries |
| Flynn Energy Corp. |
RVO Petroleum Co. |
| FM Properties Operating, Inc. |
Samedan Oil Corporation |
| FM Properties, Inc. |
Same |
| Focus Energy USA Inc. |
Energy Operations Nevada, LP |
| Fonsagrada, S.A. |
Same (Affil: The GHK Company) |
| Foran Oil Company |
Matador Petroleum Corporation |
| Forcenergy, Inc. |
Forest Oil Corporation |
| Forchall Oil |
Same |
| Forest Energy Resources (Subsid: Forest Oil) |
Mariner Energy, Inc. |
| Forest Oil Company |
Forest Oil Corporation |
| Forest Oil Corporation |
Same |
| Fort Collins Consolidated Royalties, Inc. |
Encana Corp. |
| Fortuna Energy Corp. |
Midwest Energy Corp. |
| Fortune Natural Resources Corp. |
Same |
| Fortune Petroleum Corp. |
Fortune Natural Resources Corp. |
| Fossil Bay Holding Co., Inc. |
Same |
| Founders Energy, Ltd. |
Same |
| Fowler Farm Oil Corporation |
Western Crude Oil, Inc. |
| Fox Production Corporation |
Zuma New-Mexico Oil Corporation |
| FP, Inc. |
Lomak Petroleum, Inc. |
| Francana Oil |
Same |
| Franco Western |
Franco Wyoming Oil Company |
| Franco Wyoming Company |
Southland Royalty Company |
| Frankfort |
Texas Pacific Oil Company |
| Fred Olsen, Inc. |
Volvo Petroleum |
| Freeport Oil Company |
McMoran-Freeport Oil Company |
| Freeport-McMoran Inc. |
McMoran Oil & Gas Company |
| Fremont Energy Corporation |
Amerac Energy Corporation |
| French Petroleum Corp. |
Red Eagle Resources Corp. |
| French Production Inc. |
Same |
| Frontier Oil & Gas Co., Inc. |
Same (Subsid: Wainoco Oil Corp.) |
| FT-79 Corp. |
Eppi Energies Corp. |
| Fuel Resources |
Same |
| Fuhrman Petroleum Corporation |
Conoco Inc. |
| Fullerton Oil Company |
Monterey Oil Company |
| Funk Exploration |
Waterford Energy, Inc. |
| G |
| G.L.M. Oil and Gas Company (Wyoming) |
Same |
| GAE Corp. |
Ocean Energy, Inc. |
| Galena-Signal Oil Company |
Texaco USA, Inc. |
| Gallant Oil Company |
Same |
| Galvest, Inc. |
PrimeEnergy Corporation |
| Garnet Resources |
Same |
| Garrett & Co. (Oklahoma City) |
Same |
| Gas Producing Enterprises, Inc. |
Coastal Oil & Gas Corporation |
| Gas SpinCo, Inc |
DCP Midstream, Inc. |
| Gasamerica, Inc. |
Same (Affil: The GHK Company) |
| Gasart, Ltd. |
Same (Affil: The GHK Company) |
| Gasoklahoma, Inc. |
Same (Affil: The GHK Company) |
| GBK Corporation (George B. Kaiser) |
Same (Affil: Kaiser-Francis Oil Company) |
| GCO Minerals Company |
Same (Subsid: International Paper Company) |
| GED Energy Services, Inc. |
KSC Energy, Inc. |
| Gem Oil, Inc. |
Same (Subsid: American Exploration Company) |
| Gemco, Inc. |
Chevron USA, Inc. |
| Gen. American Oil Company of Texas |
Phillips Petroleum Company |
| General American Oil Company |
Phillips Petroleum Company |
| General Atlantic Energy Corporation |
General Atlantic Rockies Production Co. |
| General Atlantic Oils, Ltd. |
Ocean Energy, Inc. |
| General Atlantic Resources, Inc. |
Ocean Energy, Inc. |
| General Atlantic Rockies Production Co. |
Ocean Energy, Inc. |
| General Crude Oil Company |
Mobil G.C., Inc. |
| General Development Partnerships (various) |
UMC Petroleum Corporation |
| General LP Acquisition Inc. |
UMC Petroleum Corporation |
| General Petroleum Corp. |
Mobil Oil Corporation |
| General Producing Company |
UMC Petroleum Corporation |
| Geodyne Energy Inc. |
Same (Calgary) |
| Geodyne Resources, Inc. |
Samson Investment Company |
| Geodyne Technologies Inc. |
Geodyne Energy Inc. |
| Georgetown Exploration Inc. |
Same |
| Getty Oil Company |
Texaco USA, Inc. |
| Getty Petroleum Marketing |
Same (Subsid: Lukoil Oil Company) |
| Getty Reserve Oil, Inc. |
Getty Oil Company |
| GFI Oil & Gas Corporation (Houston) |
Salamander EnergyPLC (London) |
| GHK Capital Company |
Same (Affil: The GHK Company) |
| GHK Company (Non-Operated/Producing Prop.) |
GHK Energy Corp. |
| GHK Company (Operated Properties) |
Transitory Corporation |
| GHK Company Columbia |
Same (Affil: The GHK Company) |
| GHK Company, The |
Same (Note: New Entity) |
| GHK Corporation, The |
Same (Affil: The GHK Company) |
| GHK Energy Corp. |
GHK Company, The |
| GHR Energy, Inc. |
Same |
| Giant Exploration & Production Company |
Same |
| Giant Refining Company, Inc. |
Same |
| Gibralter Exploration Company |
High Point Investments |
| Gibson US Corp. |
Same |
| Gilcrease Oil Company |
Venus Oil Company |
| Gilliland Oil Company |
Reserve Petroleum Company |
| GKM Oil Company |
GKM, Inc. |
| GKM, Inc. |
Petromark Merger Company |
| Glacier Arizona Company |
Same (Affil: Meridian Oil Inc.) |
| Glacier Park Boulder Company |
Same (Affil: Meridian Oil Inc.) |
| Glacier Park Company |
Same (Affil: Meridian Oil Inc.) |
| Glacier Park Denver Company |
Same (Affil: Meridian Oil Inc.) |
| Glacier Park Gateway Company |
Same (Affil: Meridian Oil Inc.) |
| Glacier Park Kent Industrial Company |
Same (Affil: Meridian Oil Inc.) |
| Glacier Park King Street Company |
Same (Affil: Meridian Oil Inc.) |
| Glacier Park Liquidating Company |
Meridian Oil Inc. |
| Glacier Park Naperville Company |
Same (Affil: Meridian Oil Inc.) |
| Glacier Park Northwest |
Same (Affil: Meridian Oil Inc.) |
| Glacier Park Orillia Company |
Same (Affil: Meridian Oil Inc.) |
| Glacier Park Riverpoint Company |
Same (Affil: Meridian Oil Inc.) |
| Glacier Park South Lander Company |
Same (Affil: Meridian Oil Inc.) |
| Glacier Park Wayzata Company |
Same (Affil: Meridian Oil Inc.) |
| Glencoe Resources Ltd. |
Same |
| Global Exploration, Inc. |
Same |
| Global Exploration, L.L.C. |
Global Exploration, Inc. |
| Global Link Technologies, Inc. |
JR Oil & Gas, Inc. |
| Global Natural Resources Corporation |
Seagull Energy Corporation |
| GlobalSantaFe Corp. |
Transocean, Inc. |
| Globe |
Lario Oil and Gas Company |
| Globe Life & Acc. Ins. Company (O&G Assets) |
Same (Affil: Torch Energy Corporation) |
| Glorieta Oil Company Inc. |
Devon Energy Corporation |
| Glover Hefner Kennedy Company |
GHK Company, The |
| GMX Resources Inc. |
Same |
| Goane Exploration California Corp. |
Same |
| Goane-Gitzch (US), Ltd. |
Goane Exploration California Corp. |
| Goddard Investment Company |
Same |
| Goddard, C.B., Investment Company |
Goddard Investment Company |
| Goff Oil Company |
Reading & Bates Production Co. |
| Goff-Lepper Drilling Company |
Goff Oil Company |
| Gold Deposit Mining & Milling Co. (Utah) |
Onasco Companies, Inc. (Utah / Tennessee) |
| Gold King Exploration |
Denovo |
| Golden Eagle Energy Inc. |
Ultramar |
| Golden Exploration & Production Corp. |
Same (Subsid: Arlington Ventures Ltd.) |
| Golden Oil Company |
Same |
| Golden Triangle Royalty & Oil, Inc. |
Same |
| Goodrich Petroleum, Inc. |
Same |
| Gopher Oil & Gas Company, LTD. |
Same (Calgary, Seattle) |
| Gordon Street, Inc. |
North American Royalties, Inc. |
| Gothic Energy Corporation (Tulsa) |
Chesapeake Gothic Corp. |
| GPM Corp. |
Duke Energy Field Services |
| Grace Petroleum Corporation |
Samson Natural Gas Company |
| Grace, W.R. |
Grace Petroleum Corporation |
| Grace, W.R. and Company |
Grace Petroleum Corporation |
| Graham Exploration |
Same |
| Graham, Keith D. |
Omni Petroleum Corporation |
| Graham-McMormick Oil & Gas |
Ladd Petroleum Corp. |
| Grand Valley Natural Gas Company |
Same |
| Granite Falls Rock, Inc. |
Same (Meridian Oil Inc.) |
| Graridge (American Petroleum) |
Petco, Inc. |
| Grayhill Exploration |
U.S. Minerals Exploration |
| Great Expectations |
Same |
| Great Lakes Energy Partners, LLC |
Same (Affil: Range Resources Corp. & FirstEnergy Corp.) |
| Great Plains Development |
Phillips Petroleum Company |
| Great Western Resources, Inc. |
Forcenergy, Inc. |
| Great WTN Exploration (NV) Inc. |
Great WTN Onshore Inc. |
| Great WTN Exploration (NV) Inc. |
Same |
| Green Tree Resources, Inc. |
Spring Resources, Inc. |
| Greenbrier Operating Company |
Same |
| Greenwald, L. Scotty, & Assoc. |
MacOil & Gas International |
| Greenwood Holdings Inc. |
Packaging Research Corp. |
| Greka Energy Corp. |
Same (New York City) |
| Gressel Corp. |
VAL Energy, Inc. |
| Greystone Petroleum, LLC (Houston) |
Chesapeake Energy Corp. |
| Grove Oil & Gas |
Same |
| Gruy Petroleum Management Co. |
Same (Subsid: Magnum Hunter Resources, Inc.) |
| Gryphon Exploration, Inc. (Houston) |
Woodside Petroleum, Ltd. |
| Guaranty Energy |
Same |
| Gulf Energy |
Chevron USA, Inc. |
| Gulf Energy |
Penn Central |
| Gulf Oil Company |
Gulf Oil Corporation |
| Gulf Oil Corporation |
Chevron USA, Inc. |
| Gulf Production Corporation |
Same (Subsid: Coastal Oils, Inc. – OKC) |
| Gulf Resources Corp. |
Same |
| Gulfco Industries, Inc. |
Petroleum Services, Inc. |
| Gulfport Energy Inc. |
Same (Oklahoma City) |
| Gulfstream Resources Canada, Ltd. |
Anadarko Petroleum Corp. |
| Gulfstream Resources Corp. (USA) |
Same |
| Gulfwest Energy Inc. |
Same |
| GulfWest Oil Company |
Gulfwest Energy Inc. |
| GW Merger Corp. |
Great WTN Onshore Inc. |
| GW Petroleum Inc. |
Great WTN Onshore Inc. |
| GWP Inc. |
Great WTN Onshore Inc. |
| GWR Inc. |
Great WTN Onshore Inc. |
| GWR Operating Company |
Great WTN Onshore Inc. |
| Gypsy Oil Company |
Gulf Oil Corporation |
| H |
| H&H Star Energy, Inc. |
Same (Subsid: Howard Company) |
| H.P. Oil & Gas Properties, Inc. |
Deepko Lease & Royalty Co. |
| H-30 Drilling Inc. |
Columbian Energy Co., L.P. |
| Hadson Energy Resources Corp. |
Apache Corporation |
| Hadson Ohio Oil Company |
Hadson Petroleum Corporation |
| Hadson Petroleum Corporation |
Hadson Energy Resources Corp. |
| Hallador Exploration Company |
Hallador Petroleum Company |
| Hallador Petroleum Company |
Same |
| Halley Energy Corporation |
Cytoprobe Corporation |
| Halliburton Company |
Same |
| Hallwood Energy Corporation |
Same (Subsid: Chesapeake Energy Corp.) |
| Hallwood Energy Corporation III |
Same (Subsid: Chesapeake Energy Corp.) |
| Hallwood Energy Partners, L.P. |
Same |
| Hallwood Petroleum, Inc. |
Same |
| Hallwood Petroleum, LLC |
Same (Subsid: Chesapeake Energy Corp.) |
| Halwell Company, Inc. |
Same |
| Hambro Gas & Oil Company |
Enron Oil & Gas Company |
| Hamilton Dome |
Same |
| Hamilton Oil Corp. |
Broken Hill Proprietary Co. Ltd. |
| Hammond, J.G. |
JGM Company |
| Hammond, John G. |
Beard & Hammond |
| Hampton Resources Corp. |
Bellwether Exploration Company |
| Hancock Oil & Gas Company |
Hancock Oil Company |
| Hancock Oil Company |
Signal Company |
| Hanna Company, The M.A. |
Same |
| Hanna Petroleum Company |
The M.A. Hanna Company |
| Hanover Petroleum |
Total Petroleum, Inc. |
| Harbert Energy Corporation |
Forest Oil Corporation |
| Harbour Gas & Oil LTD |
Same (Affil: Torch Energy Corporation) |
| HarCor Exploration, Inc. |
Seneca Resources Corp. |
| Harden Oil and Gas |
Same |
| Hardy Oil & Gas USA Inc. |
Same |
| Hare – Hoppan Reserves Group (U.S. Assets) |
Hare Resources Americas, Inc. |
| Hare Resources Americas, Inc. |
Distinct Properties Energy, Inc. |
| Hare-Distinct Acquisition Corp |
Goane-Gitch (US), Ltd. |
| Harken Energy Corporation (Dallas) |
Same |
| Harken Exploration Company |
Same (Subsid: Harken Energy Corporation) |
| Harken Oil & Gas, Inc. |
Harken Energy Corp. |
| Harper Oil and Gas, Inc. |
Apache Corporation |
| Harper Oil Company |
Harper Oil and Gas, Inc. |
| Harper, F.E., & Cornell |
Same |
| Hartex-Anadarko Permian Basin Partnership |
Enron Oil & Gas Company |
| Harvest Energy Trust |
Same |
| Harvestor Oil and Gas Co. |
Same (Subsid: GAE Corp.) |
| Hathaway Company |
Pyramid Oil |
| Hawks Industries, Inc. |
Same |
| Hawthorne Oil and Gas Corporation |
Same (Subsid: American Nat’l Petroleum Co.) |
| HD Oil Company |
Homer Dean Oil Company |
| Headington Canada Corp. |
Same |
| Headington Oil Company |
Headington Canada Corp. |
| Hefner Company, The |
Arbuckle Oil Corporation |
| Hefner Exploration Company |
Same |
| Heisler, W.H., Jr. |
Same |
| Helix Energy Solutions Group |
Same |
| Helmerich & Payne, Inc. |
Cimarex Energy Company |
| Helping Hand Energy, Ltd. |
Same |
| Hemmings Corp. |
Blackbird Co. |
| Henderson Petroleum Corp. |
Burkhart Petroleum Corp. |
| Herboil Company |
DMF Resources Inc. |
| Hercules Offshore Corp. |
Parker Drilling Company |
| Hercules Rig Corp. |
Parker Drilling Company |
| Heritage Energy Resources, Inc. |
Same |
| Heritage Gas Services, LLC |
CMS Energy Corp |
| Heritage Glacier Park Company |
Same (Affil: Meridian Oil Inc. |
| Heritage Group, The |
Same |
| Hershey Oil Company |
Same (Subsid: American Exploration Company) |
| Hess Oil Corp. |
Amerada Hess Corporation |
| Hickock & Reynolds |
Ibex & Windfohr |
| Hickory Creek Development Company |
Hanna Petroleum Company |
| High Plains Oil Corporation |
Same |
| High Point Investments |
Same |
| Highland Production Company |
Quay Valley Inc. |
| Hildago-Willacy Oil Company |
CNG Producing Company |
| Hillin-Simon Oil Company |
Okland Oil Company |
| Hinkle Engineering, Inc. |
Same |
| Hixon Development Company |
Giant Exploration & Production Company |
| HNG |
Enron Oil & Gas Company |
| HNG Fossil Fuels Company |
Enron Oil & Gas Company |
| HNG Offshore Properties, Inc. |
Enron Oil & Gas Company |
| HNG Oil company |
HNG |
| HO&M |
Houston Oil & Minerals Corporation |
| Hodge, T.F. |
Same |
| Hola Communications Inc. |
Tamm Oil & GasCorp. |
| Holly Corp. |
Same (Merger with Frontier in litigation 2006) |
| Holly Energy Company |
Enron Oil & Gas Company |
| Homa Oil & Gas Corp. |
Consumers Gas Company |
| Homa Oil Company |
Consumers Gas Company |
| Homco International, Inc. |
Same |
| Home Petroleum Corporation |
Presidio Oil Company |
| Homer Deal Oil Company |
Same |
| Home-Stake Oil & Gas Co. |
Same (Subsid: Cortez Oil & Gas, Inc.) |
| Home-Stake Royalty Corp. |
Home-Stake Oil & Gas Co. |
| Hondo Oil & Gas Co. (New Company formed 1989, Not ARCO) |
Devon Energy Corporation |
| Hondo Oil & Gas Company |
Atlantic Richfield Company |
| Honolulu Oil Company |
Pan American Petroleum Company |
| Horizon Oil & Gas Co. |
Same |
| Horizon Oil & Gas Co. of Texas |
Horizon Oil & Gas Co. |
| Horizontal Ventures Inc. |
Greka Energy Corp. |
| Houston Gas & Fuel Company |
Arkansas Natural Gas Company |
| Houston Gas Light Company |
Houston Gas & Fuel Company |
| Houston Natural Gas Corp. |
Enron Oil & Gas Company |
| Houston Oil & Energy, Inc. |
Golden Triangle Royalty & Oil, Inc. |
| Houston Oil & Minerals Corp. |
Tenneco Oil Company |
| Houston Oil Company of Texas |
Atlantic Refining Company |
| Houston Oil Trust |
Seagull Energy Corp. |
| Houston Operating Company |
Same (Subsid: Normandy Oil & Gas Co.) |
| Houston Petroleum Company |
MSR Exploration LTD. |
| Houston Royalty Corp. |
Houston Oil & Minerals Corp. |
| Howard Energy Company |
Same |
| HPC, Inc. |
Home Petroleum Corp. |
| HS Resources, Inc. |
Kerr-McGee Corporation |
| HS Resources, Inc. (mid-continent) |
Questar Exploration and Production Company |
| HSRTW, Inc. (HS/Tide West) |
Questar Exploration and Production Company |
| HTR Gas Transmission Co. |
Same (Subsid: Engineering, Inc.) |
| Hudson Energy Inc. |
Same (Affil: Torch Energy Corporation) |
| Hughes Eastern Petroleum, Inc. |
Prairie Producing Company |
| Hughes Oil & Gas, Inc. |
Texas Meridian Resources, Ltd. |
| Hughes Tool Company |
Same |
| Hughes, B.J., Inc. |
Hughes Tool Company |
| Hugoton Capital Ltd. Partnership |
Mesa Operating Company |
| Hugoton Energy Corp. |
Chesapeake Mid-Continent Corp. |
| Hugoton Management Company |
Mesa Operating Company |
| Hugoton Production Company |
Mesa, Inc. |
| Humble Oil & Refining Company |
Exxon Corporation |
| Hunt Energy Corp. |
Rosewood Resources, Inc. |
| Hunt Oil (H.L. Hunt Est.) |
Same |
| Hunt Oil Company |
Same |
| Hunt Petroleum Corp. (Dallas) |
Same |
| Hunter Company, Inc. |
ARKLA Exploration Company |
| Hunter Resources, Inc. |
Magnum Petroleum, Inc. |
| Husky Energy, Inc. |
Same |
| Husky Oil Company |
Marathon Petroleum Company |
| Hut Oil Company |
G.L.M. Oil and Gas Company |
| Hutton Oil and Gas Corp. |
Same |
| Hutton/EAIC |
Same (Affil: Torch Energy Corporation) |
| Hydro Carbon Trading-Transport Co., Inc. |
Same |
| Hydrogen Energy Corporation |
Same |
| Hytech Energy Corp. |
Moran Brothers |
| HYTK Industries, Inc. |
Quest Resources Corp. |
| I |
| Ibex |
Petco, Inc. |
| Ibex & Windfohr |
Same |
| Ibex Resources Company, LLC |
Same (Affil: JMA Energy Co., LLC) |
| ICOS Energy Corp. |
Charlestown Industries, Inc. |
| IDC Energy Corp. |
Same |
| IEI Exploration, Inc. |
Ocean Energy, Inc. |
| IES Industries, Inc. |
Same |
| III Exploration Company |
Same (Subsid: Intermountain Industries Inc.) |
| Illini Carrier LP |
Same (Affil: Torch Energy Corporation) |
| Illinova Corp. |
Dynegy, Inc. |
| Imperial Oil and Gas Inc. |
ONEOK Exploration Co. |
| Imperial Petroleum |
Moss Petroleum Company |
| Imperial Petroleum, Inc. |
Same |
| Income Share, Inc. |
Aberdeen Petroleum Corporation |
| Independent Exploration Company |
Same |
| Independent Oil Company |
Shell Oil Company |
| India Temple Minerals Co. |
Helping Hand Energy, Ltd. |
| Indian Oil Company |
Coral Reserves Group |
| Indian Royalty Company |
Cronell Oil Company |
| Indian Territory Illuminating Oil Co. |
Cities Service Oil Company |
| Indian Wells Oil Company |
Parker & Parsley Petroleum Company |
| Indrex, Inc. |
Integrated Drilling & Exploration, Inc. |
| Industrial Gas Company |
Arkansas Natural Gas Company |
| Inexco Oil Company |
Louisiana Land & Exploration Co. |
| Infinity Inc. |
Same (Chanute, KS) |
| Inland Fuels Corporation |
Inland Resources, Inc. |
| Inland Resources, Inc. |
Newfield Exploration Company |
| Integrated Drilling & Exploration Inc. |
Same |
| Integrated Energy, Inc. |
MCO Resources (Integrated) Corp. |
| Integrated Energy, Inc. |
UMC Petroleum Corporation |
| Interamerican Corp. |
Hunter Resources, Inc. |
| Inter-City Gas |
Same |
| InterCoast Gas Services Co. |
KCS Medallion Resources, Inc. |
| InterCoast Oil and Gas Company |
KCS Medallion Resources, Inc. |
| Intergen (North America), Inc. |
Same (JV of Shell Oil and Bechtel Enterprises) |
| Intermoutain Industries Inc. |
Same |
| International Colin Energy Corp. |
Same |
| International Nuclear Corp. |
Inexco Oil Company |
| International Oil & Gas Corp. |
DEPCO, Inc. |
| International Recovery Corporation |
World Fuel Services Corp. |
| International Telephone |
Sonat Exploration Company |
| InterNorth, Inc. |
Enron Oil & Gas Company |
| Interstate Production Company |
Northern Natural Gas Producing Company |
| Intex |
Shell Western E & P, Inc. |
| Intoil Inc. |
Same |
| Investors Royalty Company |
Dalco Oil Company |
| Investors Royalty Company |
Dalco Oil Company |
| Iowa-Illinois Gas and Electric Company |
MidAmerica Energy Company |
| Iowas Resources Inc. |
Midwest Resources Inc. |
| Iron Mountain Oil Company |
Same |
| Island Oil Company |
Penrose Production Company |
| Ivahoe Energy Inc. |
Same (Vancouver) |
| Ivanhoe Energy, Inc. |
Same (Vancouver, BC) |
| J |
| J & B Royalty Company |
Wilco Properties, Inc. |
| J. P. Oil Company Inc. |
J. P. Oil Company LLC |
| J. P. Oil Company LLC |
Same |
| J.O.C. Operating, Inc. |
Same (Subsid: Jefferson Oil Corp) |
| Jackalope-New Mexico Oil Co. |
Lacy Ranch Petro Corp. |
| Jade Resources, Inc. |
Consolidated Oil & Gas, Inc. |
| Jal Oil Company |
Sun Company, Inc. |
| James Energy Management, Inc. |
Consolidated Oil & Gas, Inc. |
| James River Corporation |
Cavenham Forest Industries Inc. |
| James, T.L. & Co. |
St. Mary Land & Exploration Co. |
| Jan-Dal Petroleum |
Same |
| JAN-DI Corp. |
Judd A. Nelson, Inc. |
| Japex (U.S.) Corp. |
Same (Subsid: Japan Petroleum Exploration Co.) |
| Jath Oil Company |
Mack Energy Company |
| JED Oil Inc |
Same |
| Jefferson Oil Corp (Dallas) |
Same |
| Jergins Oil Company |
Exxon Company USA |
| Jet Oil Company |
Deminex U.S. Oil Corp. |
| JGM Company |
Same |
| JM Petroleum Corporation |
Phibro Energy, Inc. |
| JMA Energy Company, LLC |
Same (Oklahoma City) |
| JMA Energy, Inc. |
JMA Energy Company, LLC |
| JMA Resources, Inc. |
JMA Energy, Inc. |
| JMG Exploration Inc. (Nevada) |
JED Oil Inc. |
| JN Exploration & Production Limited Partnership |
Same (Subsid: JN Oil and Gas, Inc.) |
| JN Oil and Gas, Inc. |
Same |
| JN Petroleum Marketing, Inc. |
Same (Subsid: JN Oil and Gas, Inc.) |
| J-O’B Operating |
Same |
| Jocelyn-Varn Oil |
Varn Oil Company |
| John D. Oil and Gas Company |
Same (Cleveland, OH) |
| John I. & P.D. Moore |
Same |
| Johnson, F.K. |
Ambassador Petroleum Corp. |
| Jones, L.E. Operating, Inc. |
Same (Affil: L.E. Jones Production Company) |
| Jones, L.E. Production Company |
Same |
| Jonnell Gas Company |
Chevron USA, Inc. |
| JR Oil and Gas, Inc. |
Same (Houston) |
| Justice Oil Company, LLC |
Justice Oil and Gas LLC |
| Justis Supply Company |
Key Energy Group, Inc. |
| K |
| K. Stewart Petroleum Corporation |
Chesapeake Energy Corporation |
| K.E. Resources Ltd. |
American Resources of Delaware, Inc. |
| K.R.M. Petroleum Corp. |
PrimeEnergy Corporation |
| K2 Energy Corp. |
Resillient Resources, Ltd. |
| Kaifser Resources |
Same |
| Kaiser-Francis Oil Company |
Same |
| Kallispell Glacier Park Company |
Same (Affil: Meridian Oil Inc.) |
| Kaneb Energy Company |
Same |
| Kaneb Production Company |
Kaneb Energy Company |
| Kansas-Nebraska Natural Gas Company |
K-N Energy, Inc. |
| Katz Oil Company |
Sohio Petroleum Company |
| K-C Gas Company of New York |
Ocean Energy, Inc. |
| KCS Energy Inc. |
Petrohawk Energy Corporation |
| KCS Medallion Resources, Inc. (Tulsa) |
Same (Subsid: KCS Energy Inc.) |
| KEC Acquisition Corp. |
Same (Subsid: American Exploration Company) |
| Keldon Oil Company |
Pittencrieff America, Inc. |
| Kelley Oil & Gas Corp. |
Contour Energy Company |
| Kelley Oil & Gas Partners Ltd. |
Kelley Oil & Gas Corp. |
| Kelley Oil Corp. |
Kelley Oil & Gas Corp. |
| Kellog Oil Company |
Richfield Oil Company |
| Kellogg Company, The M.W. |
Halliburton Company |
| Kencope Energy Company |
Same |
| Kennecott Corp. |
Same |
| KerMac |
Kerr-McGee |
| Kern County Land Company |
Tenneco Oil Company |
| Kern Oil California (producing properties) |
Texaco USA, Inc. |
| Kernridge Oil Company |
Same |
| Kerr-McGee Corporation |
Anadarko Petroleum Corporation |
| Kerr-McGee North American Onshore Corp. |
Devon Energy Corporation |
| Kerr-McGee Oil & Gas Company |
Same (Subsid: Kerr-McGee Corporation) |
| Kestrel Energy, Inc. |
Same |
| Kewanee Oil Company |
Chevron USA, Inc. |
| Key Energy Group, Inc. |
Same |
| Key Production Company, Inc. |
Same (Subsid: Cimarex Energy Company) |
| Keystone Asset Mgt. Inc. |
Richland Resources Corp. |
| Keystone Exploration, Inc. |
Same |
| Kimbark Oil & Gas Company |
Halador Petroleum Company |
| Kimmerer Oil |
Chevron USA, Inc. |
| Kinder Morgan Energy Partners, LP |
Same |
| King Ranch Energy Inc. |
St. Mary Energy Company |
| King Ranch Oil & Gas Co. |
STEX Energy Company |
| Kinlaw Energy Partners, L.P. |
Akin, Matthew |
| Kinsey Interests |
Same |
| Kinson Resources, Inc. |
Patrick Petroleum Company |
| Kirby Exploration Company |
Same |
| Kirby Petroleum (Reeves) |
Same |
| Kirby Petroleum (Toklan) |
Kirby Petroleum (Reeves) |
| Kirby Petroleum Company |
Kirby Exploration Company |
| Kirby Production Company |
Kirby Exploration Company |
| Kiwanda Energy, Inc. |
Argent Energy, Inc. |
| K-M Permian, Inc. |
Kerr-McGee North American Onshore Corporation |
| K-N Energy, Inc. (Lakewood, CO) |
Sempra Energy, Inc. |
| K-N Production Company |
Tom Brown, Inc. (Midland) |
| KNDA |
Chevron USA, Inc. |
| KNOC USA Corp. |
Same (Affil: S. Korean Government) |
| Koch Industries, Inc. |
Same |
| Koch Midstream Gas Marketing Company |
Same (Subsid: Koch Industries, Inc.) |
| Koch Midstream Gasmark Company |
Same (Subsid: Koch Industries, Inc.) |
| Koch Midstream Services Company |
Same (Subsid: Koch Industries, Inc.) |
| KPX, Inc. |
Ocean Energy, Inc. |
| Krider & Affiliates Petroleum Corp. |
Monarch Petroleum Company |
| KSA Industries, Inc. |
Adams Resources & Energy, Inc. |
| L |
| L F Oil |
Union Oil Company |
| L L & E |
Louisiana Land & Exploration Company |
| L L & E Royalty Trust |
Louisiana Land & Exploration Company |
| L. and V. Oil Company |
Bell Oil and Gas Company |
| Lacy & Byrd, Inc. |
Byrd Operating Co. |
| Lacy Ranch Petro Corp. |
Same |
| Ladd & Lukowicz, Inc. |
Eureka Oil Company |
| Ladd Petroleum Corp. |
Amax Oil & Gas, Inc. |
| LAE Energy Inc. |
Same (Affil: Torch Energy Corporation) |
| Lambert Oil |
Cameriana Petroleum Corp. |
| Lamson Onshore Oil Corporation |
Same |
| Laramide, LLC |
Same |
| Laredo Energy, II, LP |
Same (Subsid: Chesapeake Energy Corp.) |
| Lariat Petroleum Inc. (Tulsa) |
Newfield Exploration Company |
| Lariat Services, Inc. |
Same (Subsid: Sandridge Energy, Inc.) |
| Lario Oil & Gas Company |
Same |
| Laser Oil Company |
Same (Affil: Axem Resources Incorporated) |
| LASMO Canada, Ltd. |
Elan Energy, Ltd. |
| LASMO Energy Corp. |
Amerada Hess Corp. |
| LaTex Resources, Inc. |
Alliance Resources PLC |
| Latigo Oil & Gas Invc. (Woodward, OK) |
Same |
| Latigo Petroleum, Inc. (Tulsa) |
Pogo Producing Company |
| Laurel Operating Company, Inc. |
Union Pacific Resources Company |
| Lawton Oil |
Colorado Oil & T & P |
| LBJ Petroleum Corp. |
Earlsboro Energies Corp. |
| LDEC Acquisition Corp. |
Same (Subsid: Louis Dreyfus Energy Corp.) |
| Lear Petroleum Corp. |
Same |
| Lear Petroleum Partners Operating Co. LP |
LPPOC |
| Leonard Oil Company |
Tenneco Oil Company |
| Leredo Petroleum Inc. |
Same (Tulsa) |
| Lewis Producing Company |
Texaco USA, Inc. |
| Lewis Production Company |
Texaco USA, Inc. |
| Lexco |
Lowe Associates |
| Liberty Natural Gas Company |
Seagull Energy Corporation |
| Liberty Self-Stor, Inc. |
John D. Oil and Gas Company |
| Liedke |
Pennzoil Company |
| Lime Rock Partners |
Same (Westport, CT) |
| Limpia Royalty |
Kewanee Oil Company |
| Line Oil Well Service |
NOMOC Oil Company, Inc. |
| Linn Energy Inc. |
Same |
| Lion |
Monsanto |
| Lipan |
Texota |
| Liquid Carbonic Intrastate Pipeline Company |
Integrated Drilling & Exploration, Inc. |
| Little America Refining Co. |
Sinclair Oil Corporation |
| Little Rock Gas & Fuel Company |
Arkansas Natural Gas Company |
| Livermore, G.P., Inc. |
Great Western Oil |
| Livingston Oil Company |
LVO Corporation |
| Lomak Energy Services Co. |
Subsid: Lomak Petroleum, Inc. |
| Lomak Petroleum, Inc. (Ft. Worth) |
Range Resources Corp. |
| Lone Pine Resources Ltd. |
Ocelot Energy Inc. |
| Lone Star Producing Company |
Ensearch Exploration Company |
| Lonewolf Energy LLC |
Lonewolf Energy, Inc. |
| Lonewolf Energy, Inc. |
Same |
| Long Point Corporation |
Socony Mobil Oil Company, Inc |
| Loram International |
Same |
| Lorena Oil Company |
Getty Oil Company |
| Los Angeles Oil and Refining Company |
Richfield Oil Company |
| Los Nietos |
Union Oil Company |
| Louisiana Hunt Petroleum |
Same |
| Louisiana Land & Exploration Company |
Burlington Resources Corp. |
| Lovelady, I.W. |
Aberdeen Petroleum Corporation |
| Lowe Associates |
Same |
| Lowe Partners, LP |
Maralo, LLC |
| Lowe Petroleum |
Maralo, LLC |
| Lowe Royalty Partners, LP |
Maralo, LLC |
| Lowe, Ema |
Maralo, LLC |
| Lowe, M. Ralph, Inc. |
Maralo, LLC |
| Lowe, Ralph |
Maralo, LLC |
| Lowe, Ralph (Estate) |
Maralo, LLC |
| LPPOC |
Minatome Corporation |
| LPPOC |
Same |
| LRF Corp. |
French Petroleum Corp. |
| Lubel Oil Company |
Hutton Oil and Gas Corp. |
| Lukoil Americas Inc. |
Same (Subsid: Lukoil Oil Company) |
| Lukoil Oil Company |
Same (Russia) |
| Lumen Energy, Inc. (Oklahoma City) |
Same |
| LVO Corporation |
Utah International, Inc. |
| Lyman, C. V. (Winkler) Estate |
Rycade |
| Lynx Exploration Company |
Lomak Petroleum, Inc. |
| M |
| M & M Production Co. |
Tenneco Oil Co. |
| M.A.T. Oil & Gas Exploration, Inc. |
Same |
| MA Resources Company, LLC |
Same (Affil: JMA Energy Company, LLC) |
| Macbois Realti, Inc. |
MacOil & Gas International |
| MacDonald Oil Corporation |
Aberdeem Petroleum Corporation |
| Mack Energy Company |
Same |
| MacOil & Gas International (Spring, TX) |
Same |
| Madison Energy Corp. |
Adobe Resources Corporation |
| Madison Oil Company |
Toreador Resources Corporation |
| MAFCO |
Chevron USA, Inc. |
| Magic Circle Energy Corp. |
Same (Subsid: Carlton Resources Corp.) |
| Magna Oil Corporation |
Triton Oil & Gas Corp. |
| Magness Petroleum Company |
Cleary Petroleum Corporation |
| Magnolia Oil Company |
Magnolia Petroleum Company |
| Magnolia Petroleum Company |
Socony Mobil Oil Company, Inc. |
| Magnum Hunter Resources, Inc. |
Same (Dallas) |
| Magnum Petroleum, Inc. |
Magnum Hunter Resources, Inc. |
| Majestic Oilfield Services, Inc. |
Same (Subsid: PetroQuest Resources Inc.) |
| Malco Refining |
Hondo Oil and Gas Company |
| Mallard Bay Drilling Inc. |
Parker Drilling company |
| Mallard Petroleum, Inc. |
Olds Petroleum Corporation |
| Mammoth Oil Company |
Berry Petroleum Corporation |
| Manhattan Resources Corp. |
Manhattan Resources Ltd. |
| Manhattan Resources Ltd. |
Same (Calgary) |
| Mapco Oil & Gas Company |
CNG Producing Company |
| Mapco Production Company |
Mapco Oil & Gas Company |
| MAPCO, Inc. |
Williams Companies, The |
| Maplewood Glacier Park Company |
Same (Affil: Meridian Oil Inc.) |
| Maralo Merging Corporation |
Maralo, LLC |
| Maralo, Inc. |
Maralo, LLC |
| Maralo, LLC (Midland) |
Same |
| Marathon Oil Company |
Marathon Oil Corporation |
| Marathon Oil Corporation |
Same (Houston) |
| Marathon Petroleum Company |
Marathon Resources Corp. |
| Marathon Resources Corp. |
Same (Subsid: USX Corp.) |
| Mariner Energy, Inc. |
Same |
| Mark Production Company |
Mewbourne Oil Company |
| MarkWest Coalseam Development Co., Inc. |
MarkWest Resources Inc. |
| MarkWest Resources Inc. |
Same |
| Marland Oil Company |
Marland Oil Company of Oklahoma |
| Marland Oil Company of Oklahoma |
Marland Production Company |
| Marland Production Company |
Continental Oil Company |
| Marline Petroleum Corporation |
Cheniere Petroleum Corporation |
| Marshall Exploration, Inc. |
Same (Subsid: Sonat, Inc.) |
| Martex Drilling Company, LLP |
Same |
| Martin Exploration Management Company |
Same |
| Martine Pipeline Co. |
Same (Subsid: McGoldrick Oil Company) |
| Mass Energy Inc. |
Pangaea Petroleum, Inc. |
| Masters Energy Corporation |
Harken Oil and Gas, Inc. |
| Masterson, James A. |
Laaramide, LLC |
| Matador Petroleum Corporation (Dallas) |
Tom Brown, Inc. |
| Matagorda Bay Pipeline Company |
Conquest Exploration Company |
| Matagorda Island Exploration |
Same (Subskd: Anadarko Petroleum Corporation) |
| MATCO Enterprises, Inc. |
PetroQuest Resources, Inc. |
| Matlin Petroleum Corporation |
Same |
| Matrix Energy, Inc. |
Same |
| Maudlin & Wood |
Clements Energy, Inc. |
| Maxus Energy Corporation |
Same |
| Maxus Exploration Company |
Midgard Energy Company |
| Mayflo Oil Company |
May Petroleum, Inc. |
| MC Panhandle Corp. |
Chesapeake Energy Corp. |
| McAdams, Roux and Associates, Inc. |
Plains Petroleum Company |
| McAlester Fuel Company |
Enstar Petroleum Company |
| McClurg, M. R. & Company |
High Plains Oil Corporation |
| McColl-Frontenac Oil Company, LTD |
Texaco USA, Inc. |
| McCulloch Energy, Inc. |
Same (Subsid: Harken Energy Corporation) |
| MCCulloch Gas Processing Crop. |
MGPC, Inc. |
| McCulloch Gas Transmission Company |
MGPC, Inc. |
| McCulloch Interstate Gas Corp. |
MGPC, Inc. |
| McCulloch Oil Corp. of California |
MCO Resources, Inc. |
| McCulloch Oil Corp. of Texas |
MCR Oil Corp. of Texas |
| McCulloch Oil Exploration |
McCulloch Oil Corp. of California |
| McDermott, E.H. |
Wrather, J.D., Jr. |
| McElroy Ranch Company |
Warren American Oil Company |
| McElvain Oil & Gas |
McElvain, T. H., Oil & Gas Ltd. Partnership |
| McElvain, T. H., Oil & Gas Ltd. Partnership |
Same (Affil: McElvain, T.H., Oil & Gas Ltd. Ptnshp.) |
| McElvain, T. H., Oil & Gas Properties, Inc. |
McElvain, T. H., Oil & Gas Ltd. Partnership |
| McFarland Corporation |
Coral Drilling |
| McFarland Energy, Inc. |
Monterey Resources, Inc. |
| McFarland, Inc. & Drilling |
Fluor Oil and Gas Corporation |
| McGoldrick Oil Company |
Same |
| McGowen Resources Company |
Same |
| McKee Petroleum Company |
Mobil Oil Corporation |
| McMahon, Inc., C.L. |
Forest Oil Company |
| McMan Oil & Gas Company |
AMOCO Production Company |
| McMoran Exploration Company |
McMoran Offshore Expl. Company |
| McMoran Offshore Exploration Company |
Same |
| McMoran Offshore Management Company |
McMoran Offshore Expl. Company |
| McMoran Offshore Production Company |
McMoran Offshore Expl. Company |
| McMoran Oil & Gas Company |
McMoran Offshore Expl. Company |
| McMoran Production Company |
McMoran Offshore Expl. Company |
| McMoran-Freeport Oil Company |
McMoran Offshore Expl. Company |
| McMoran-Freeport Oil Company of Oklahoma |
McMoran-Freeport Oil Company |
| MCN Corporation |
Same |
| MCNIC Oil & Gas Co. |
Same (MCN Investment Corp.) Subsid: MCN Corporation |
| MCNIC Oil & Gas Midcontinent, Inc. |
Same (MCN Investment Corp.) Subsid: MCN Corporation |
| MCO Holdings, Inc. |
UMC Petroleum Corporation |
| MCO Resources (Integrated) Corp. |
Same (Subsid: MCO Holdings, Inc.) |
| MCO Resources Belize Corp. |
MCO Resources, Inc. |
| MCO Resources Spectrum Corp. |
MCO Resources, Inc. |
| MCO Resources, Inc. |
MCO Holdings, Inc. |
| MCOR Oil & Gas Corporation |
MCO Resources, Inc. |
| MCOR Oil Development, Inc. |
MCO Resources, Inc. |
| MCOR Oil Exploration, Inc. |
MCO Resources, Inc. |
| MCR Exploration, Ltd. |
MCO Resources, Inc. |
| MCR Newcorp, Inc. |
MCO Resources Spectrum Corp. |
| MCR Oil Corp. of Texas |
MCO Resources, Inc. |
| McRae Exploration |
Lear Petroleum |
| McRae Oil & Gas Corp. |
Sipco, Inc. |
| McWilliams Moffitt |
McMoran Oil & Gas Company |
| MDU Resources Group Inc. |
Same |
| Meade Energy Corporation |
Same (Oklahoma City) |
| Meadow View, Inc. |
Conquest Exploration Company |
| MEC Exploration, Ltd. Partnership 1989-A |
Midwest Energy Companies, Inc. |
| MEC, Inc. |
Midwest Energy Corp. |
| Mecom Oil |
Same |
| Medallion Oil Company |
GHR Energy (Goodhope) |
| Medallion Petroleum, Inc. |
Same (Affil: Brighton Energy, L.L.C.) |
| Medallion Production Company |
InterCoast Oil and Gas Company |
| Medicine Bow Energy Corp. |
El Paso Corp. |
| Mega Natural Gas Company (merger) |
Associated Natural Gas, Inc. |
| Meridian Oil Inc. |
Burlington Resources Oil & Gas Company |
| Meridian Oil Offshore Inc. |
Burlington Resources Offshore Inc. |
| Meridian Oil Production Company |
Burlington Resources Oil & Gas Company |
| Meridian Oil Trading Inc. |
Burlington Resources Trading Inc. |
| Meridian Resources Corp. |
Same |
| Merit Energy Corp. |
BCF Resources, Inc. |
| Merit Partners LP |
Same |
| MeritNet Partners, LP |
Merit Partners LP |
| Mesa Inc. |
Pioneer Natural Resources USA, Inc. |
| Mesa Limited Partnership |
Mesa Inc. |
| Mesa Operating Company |
Mesa Inc. |
| Mesa Operating Limited Partnership |
Pioneer Natural Resources USA, Inc. |
| Mesa Petroleum Company |
Pioneer Natural Resources USA, Inc. |
| Mewbourne Oil Company |
Same |
| Mexco Energy Corporation |
Same (Midland, TX) |
| MGF Oil Corporation |
Southmark Corp. |
| MGPC, Inc. |
MCO Holdings, Inc. |
| MGPC, Inc. (Powder River Basin Area) |
Western Gas Processors, Ltd. |
| Michcon |
MCN Corporation |
| Michigan Consolidated Gas Co. |
Same (Subsid: MCN Corporation) |
| MidAmerica Energy Company |
Same |
| Mid-America Pipeline Company |
Enterprise Products Partners, LP |
| Mid-America Resources, Inc. |
Seaboard Oil Company |
| Mid-American Investment Corp. |
Conquest Exploration Company |
| Mid-American Minerals, Inc. |
Calvert Exploration Company |
| Midcon |
Same |
| MidCon Central Exploration |
Apache Corporation |
| Mid-Continent Management Corporation |
Petrodynamics, Inc. |
| Mid-Continent Petroleum |
Sun Expl. & Prod. Company |
| Middle Bay Oil Co., Inc. |
3Tec Energy Corp. |
| Middle States Oil Company |
Midstates Oil Company |
| Middle States Petroleum Corporation |
Tennessee Gas Transmission Company |
| Mid-East Oil Company |
M.A.T. Oil & Gas Exploration, Inc. |
| Midgard Energy Company |
Crescendo Resources, L.P. |
| Mid-Kansas Oil & Gas Company |
Marathon Oil Company |
| Midland Acquisition Corp. |
Key Energy Group, Inc. |
| Midland Resources, Inc. (Houston) |
Same |
| Midland Southwest Corporation |
M.A. Hanna Company |
| Midlands Gas Corp. |
McMoran Oil & Gas Company |
| Midpar, LP |
Parker and Parsley Development Partners, LP |
| Midstates Oil Company |
Finlay Energy Corp. |
| Midstates Oil Corporation |
Middle States Petroleum Corporation |
| Mid-States Oil Corporation |
Tenneco Oil Company |
| Mid-Tex Oil & Gas |
Grove Oil & Gas |
| Midway and Northwood |
Reno Oil Company |
| Midwest Energy Companies Inc. (Tulsa) |
Clayoquot Resources, Ltd. |
| Midwest Energy Company, Inc. |
Midwest Resources, Inc. |
| Midwest Energy Corp. |
Same (Subsid: Midwest Energy Companies) |
| Midwest Exploration Company |
AMOCO Production Company |
| Midwest Oil Corporation |
Amoco Production Company |
| Midwest Production Company |
Kirby Petroleum Company |
| Midwest Resources, Inc. |
MidAmerica Energy Company |
| Mid-Western Gas Transmission |
Tenneco Oil Company |
| Milestone |
El Paso Natural Gas Company |
| Milestone Petroleum Inc. |
Meridian Oil, Inc. |
| Miller Oil Company, Inc. (Midland) |
Mexco Energy Corporation |
| Minatome Corporation |
Total Minatome Corporation |
| Minden Oil & Gas, Inc. |
Same |
| Minerals Management Group, Inc. |
Same (Subsid: Hinkle Engineering, Inc.) |
| Minnehoma Oil Company |
Getty Oil Company |
| Mission Corporation |
Getty Oil Company |
| Mission Development Company |
Getty Oil Company |
| Mission Exploration, Inc. |
Mission Resources, Inc. |
| Mission Land Acquisition Company |
Mission Resources, Inc. |
| Mission Production Company |
Mission Resources, Inc. |
| Mission Resource Partners, L.P. |
Same (Subsid: Mission Resources, Inc.) |
| Mission Resources |
Mission Resources, Inc. |
| Mission Resources Corp. |
Petrohawk Resources Corp. |
| Mission Resources, Inc. |
Mission Resources, Corp. |
| Mississippi River Corporation |
Natural Gas & Oil Corporation |
| Mississippi River Trans. Corp. |
Champlin Petroleum Company |
| Missouri Valley Pipeline Company |
Northern Gas and Pipeline Company |
| Mitchell Energy Corp. |
Devon Energy Corporation |
| Mitchell Energy Development |
Same (Subsid: Mitchell Energy Corp.) |
| Mitchell Energy Production Company |
Mitchell Energy Corp. |
| MJB Company |
Same (Affil: Torch Energy Corporation) |
| Mobil G. C., Inc. |
Same |
| Mobil Oil Corporation |
ExxonMobil Corp. |
| Mobil Producing Texas New Mexico |
Same |
| MOG Exploration, Ltd. |
MCO Resources, Inc. |
| Mohawk Petroleum Company |
Reserve Oil and Gas Company |
| Monark Petroleum Company |
Uniok Energy Corporation |
| Moncrief, W.A. |
Same |
| Mon-Dak Oil Corporation |
Socony Mobil Oil Company, Inc. |
| Monday Oil Company |
Getty Oil Company |
| Monogram Oil & Gas, Inc. |
Lomak Petroleum, Inc. |
| Monsanto Oil Company |
BHP Petroleum Company Inc. |
| Montana-Dakota Utilities |
MDU Resources Group |
| Monte Carlo Exploration, Inc. |
Rebel Exploration, Inc. |
| Montecito Corporation |
Forchall Oil |
| Monterey Oil & Gas |
Conoco Inc. |
| Monterey Oil Company |
Esso Standard Oil Company |
| Monterey Resources, Inc. |
Texaco USA, Inc. |
| Montex Exploration Company |
Same |
| Monument Resources Inc. (Colorado) |
Same |
| Monza Oil Corporation |
Estoril Producing Corporation |
| Moore Exploration |
John I. & P.D. Moore |
| Moore McCormack Company |
Moore McCormack Energy Co. |
| Moore McCormack Energy Co., Inc. |
CXY, Inc. |
| Mooreland Oil & Gas, Ltd. |
Ventura Energy, Inc. |
| Moran Brothers |
Same |
| Moran Exploration, Inc. |
Kaneb Production Company |
| Morgan Gulf Corporation |
AMOCO Production Company |
| Moseley Petroleum Corporation |
Triton Oil & Gas Corp. |
| Moss Petroleum Company |
Petco, Inc. |
| Moss, P. |
Union Oil Company |
| Mosswood Oil & Gas Ltd. |
Same (Subsid: Noble Affiliates Inc.) |
| Mountain & Plains Oil Company |
Aberdeen Petroleum Corporation |
| MPTNM, Inc. |
Mobil Prod. Of Tex & New Mex. |
| M-R Holdings Acquisition Company |
Same (Affil: Meridian Oil Inc.) |
| M-R Holdings Inc. |
Same (Affil: Meridian Oil Inc.) |
| MRM Oil & Gas, Inc. |
Coda Energy, Inc. |
| MSR Exploration LTD. |
Same |
| MTS Limited Partnership |
Mesa, Inc. |
| Multistates Oil Properties N.V. |
Mesa, Inc. |
| Multistates Oil Properties, Inc |
Mesa, Inc. |
| Munance Corp. |
Atlantic Refining Company |
| Murchison Exploration, Inc. |
Murexco Petroleum, Inc. |
| Murexco Petroleum, Inc. |
Same |
| Murphy Oil Company of Oklahoma, Inc. |
Chevron USA, Inc. |
| Murphy Oil Corporation |
Same (El Dorado, AR) |
| Murphy Oil USA, Inc. |
Same (Subsid: Murphy Oil Corporation) |
| Murwell Resources Ltd. |
Same |
| Mustang Energy Corp. |
Mustang Fuel Corporation |
| Mustang Fuel Corporation |
Same |
| Mustang Oil & Gas Corp. |
Same (Subsid: Gulf Resources Corp.) |
| Mustang Production Company |
Mustang Fuel Corporation |
| Mustang Services Company |
Mustang Fuel Corporation |
| Mustang Services International Company |
Mustang Fuel Corporation |
| Muzzstang Ventures Company |
Mustang Fuel Corporation |
| MW Petroleum Corporation |
Same (Subsid: Apache Corporation) |
| MWJ Producing Company |
Ocotillo |
| MzRL Partners, LP |
Maralo, LLC |
| N |
| N.E. Financial Inc. |
Same (Affil: Torch Energy Corporation) |
| Nabors Industries, Inc. |
Same |
| Nadel and Gussman, Inc. |
Same (Tulsa) |
| Nalley Steel |
Schlacter, D.A. |
| Nance Petroleum Corporation |
Same ( Subsid: St Mary Land & Exploration Co.) |
| Nanome Aggregates Inc. |
Same (Affil: Meridian Oil Inc.) |
| National Energy Group, Inc. |
Same |
| National Exchange, Inc. |
Same (Affil: Meridian Oil Inc.) |
| National Exploration |
Rosewood Resources |
| National Petroleum Company |
Richfield Oil Company |
| National-Oilwell Inc. |
National-Oilwell Varco Inc. (Houston) |
| Natomas Company |
Diamond Shamrock Exploration Co. |
| Natomas Exploration Company |
Natomas North America, Inc. |
| Natomas North America, Inc. |
Diamond Shamrock Exploration Co. |
| Natomas of Oklahoma, Inc. |
Natomas North America, Inc. |
| Natural Gas & Oil Corporation |
Same |
| Natural Gas Corporation of California |
Pacific Gas & Electric Company |
| Natural Gas Dynamics, Inc. |
American National Petroleum Co. |
| Natural Gas Partners, LLC |
Merchant Gas Partners, LLC (Affil: Aquilla Energy Corp.) |
| Natural Resource Management Corp. |
Edisto Resources Corp. |
| Natural Resources Compressor Company |
Same (Subsid: NJR Energy Corporation) |
| Natural Resources Corporation |
Ocean Energy, Inc. |
| Nava Tex Drilling Company |
Benz Oil Corporation |
| Navajo Refining Inc. |
Same (Subsid: Holly Corporation) |
| Navarro |
Conoco Inc. |
| Navidad Oil & Gas Company |
Boltex Oil & Gas Company |
| Nearbug, E.E. |
Nearbug Producing Company |
| Nearburg Producing Company (Midland, TX) |
Same |
| Neely & Neely |
Iron Mountain Oil Company |
| NEG Oil & Gas LLC (Carl Icahn) |
SandRidge Energy, Inc. |
| NEI Arkansas Gathering, Inc. |
Warren Arkansas Gathering, Inc. |
| Nelson Petroleum Company |
Grace Petroleum Corporation |
| Nelson, Inc., Judd A. |
Americex, Inc. |
| Nelson, W. Paul & Company |
Same |
| Nerco Oil & Gas, Inc. |
Louisiana Land & Exploration Co. |
| NERCO, Inc. |
Kennecott Corp. |
| Nerox Energy Corporation (Upland, CA) |
Same |
| New Jersey Natural Resources Company |
Same (Subsid: NJR Energy Corporation) |
| New London Resources Inc. |
Same (Subsid: New London Inc.) |
| New Mexico San Juan Natural Gas Company |
Delhi-Trading Incorporated |
| New Pacific Ventures (Denver) |
Tatonka Oil and Gas Inc. |
| New World Development Co., Ltd. |
Same |
| New Zealand CQX Limited |
Same (Subsid: Louis Dreyfus Natural Gas Corp.) |
| Newfield Exploration Company |
Same (Houston) |
| Newmont Oil Company |
Mobil Oil Corporation |
| Newport Petroleum Corporation (Calgary) |
Hunt Oil Company |
| Newstar Energy Inc. |
Newstar Resources Inc. |
| Newstar Resources Inc. |
Same |
| NEXCO Inc. |
Same (Subsid: Noble Affiliates Inc.) |
| Nexen Inc. |
Same |
| NFC Corporation |
MGF Oil Corporation |
| NGC Energy Resources, Ltd. Partnership |
Warren Energy Resources, Ltd. Partnership |
| NGC Energy, Inc. |
Warren Energy, Inc. |
| NGC Liquids Marketing, Inc. |
Warren Gas Liquids, Inc. |
| Niagara Mohawk Power Corp. |
Same |
| Nicklos Oil & Gas Company |
Same |
| Nicor Exploration and Production Company |
Scana Petroleum Resources, Inc. |
| Nicor Exploration Company |
Scana Petroleum Resources, Inc. |
| Nicor, Inc. |
Same |
| Ni-Gas, Inc. |
Nicor Exploration Company |
| Nimrod Natural Gas Company |
Lumen Energy, Inc. |
| Ninian Oil Company |
Same (Subsid: American Exploration Company) |
| Ninian Oil Finance Corp. |
Same (Subsid: American Exploration Company) |
| NiSource, Inc. |
Same |
| NJR Energy Corporation |
Same |
| NJRE Operating Company |
Same (Subsid: NJR Energy Corporation) |
| Noble Affiliates Inc. |
Noble Energy Inc. |
| Noble Energy Inc. |
Same (Houston) |
| Noble, I. |
Samedan Oil Corporation |
| Nolonger Fuel Co., Inc. |
Mustang Production Company |
| Nomac Drilling Corporation |
Same (Subsid: Chesapeake Energy Corporation) |
| NOMECO Oil & Gas Company |
Same |
| NOMOC Oil Company, Inc. |
Same |
| NorAm Energy Corp. |
Same |
| Noranda Oil Corporation |
Frontier Oil & Gas Co., Inc. |
| Norcen Energy Resources Ltd. |
Union Pacific Resources Group, Inc. |
| Norcen Explorer, Inc. |
Same |
| Nordan Corporation Ltd. |
TIPCO |
| Norex Drilling, Inc. |
Same |
| Norfitt |
American Petrofina Co. of Texas |
| Norfok Holdings Inc. |
UMC Petroleum Corporation |
| Norman Corporation of Caddo, Inc. |
Kinsey Interests |
| Normandy Oil & Gas Co. |
Same |
| Norris Oil Company |
Berry Petroleum Corporation |
| Nortex Gas & Oil Company |
BelNorth Petroleum Corporation |
| North American Oil Consolidated |
Phillips Petroleum Company |
| North American Royalties, Inc. |
Same |
| North Canadian Oils Ltd. |
Same |
| North Carolina Natural Gas Corp. |
Sonat Inc. |
| North Central Oil Corp. |
Pogo Producing Company |
| North Finn LLC |
Same |
| North Star Resources, Inc. |
Same |
| Northern Fuel Supply Company |
Northern Natural Gas Company |
| Northern Gas and Pipeline Company |
Northern Natural Gas Company |
| Northern Michigan Exploration Company |
NOMECO Oil & Gas Company |
| Northern Natural Gas Company |
Dynegy Inc. |
| Northern Natural Gas Producing Company |
Mobil Oil Corporation |
| Northern Plains Natural Gas Company |
ONEOK, Inc. |
| Northern Plains Oil & Gas Company |
Gopher Oil & Gas Company |
| Northern Plains Railroad Company |
Same (Affil: Meridian Oil Inc.) |
| Northern Reef Exploration Ltd. |
Same |
| Northern Rockies Pipeline Company |
Same (Affil: Meridian Oil Inc.) |
| Northland Operating Company |
DevX Energy Inc. |
| Northrock Resources, Inc. |
Same |
| Northstar Energy Corp. (Calgary) |
Same (Subsid: Devon Energy Corp.) |
| Northwest Energy |
Cities Service Oil & Gas Corp. |
| Northwest Production Company |
Same (Affil: Meridian Oil Inc.) |
| Norwegian Oil Corporation |
J.F. Dougherty Company |
| Nu West Development |
Same |
| Nucorp Energy Company, Inc. |
Nucorp Energy, Inc. |
| Nucorp Energy, Inc. |
Pin Oak Petroleum, Inc. |
| Nuevo Denaro Petroleum Company |
Fox Production Corporation |
| Nuevo Energy Company |
Plains Exploration and Production Co. |
| Numac Oil & Gas Ltd. |
Same |
| NUMBERED ENTITIES |
| Nutek Inc. |
Same (Lake Forest, CA) |
| Nutek Oil Inc. |
Same (Subsid: Nutek Inc.) |
| Nycal Corp. |
Same |
| O |
| O.E.I. Trust, The |
Same (Affil: The GHK Company) |
| O.E.I., L.L.C. |
Same (Affil: The GHK Company) |
| Occidental Oil and Gas Corp. USA |
OXY USA, Inc. |
| Occidental Petroleum Corp. |
Same |
| Occidental Petroleum Ltd. (Canada) |
Nexen, Inc. |
| Ocean Drilling & Exploration |
ODECO |
| Ocean Energy Resources, Inc. |
Devon Energy Corporation |
| Ocean Energy, Inc. |
Devon Energy Corporation |
| Ocean Oil & Gas |
ODECO |
| Oceanic Oil |
Producing Properties, Inc. |
| Ocelot Energy Inc. |
Same (Subsid: Industries Inc.) |
| Ocelot Oil Company |
Enron Oil & Gas Company |
| Ocotillo |
Same |
| ODECO |
Murphy Oil Corporation |
| Odessa Exploration, Inc. |
Key Energy Group, Inc. |
| Odessa Natural Corporation |
Same (Affil: Meridian Oil Inc.) |
| Odyssey Energy Inc. |
Hardy Oil & Gas USA Inc. |
| Odyssey Oil and Gas Inc. |
Hardy Oil & Gas USA Inc. |
| Offshore Energy Investments, Inc. |
Same (Affil: The GHK Company) |
| Ohio & Plymouth |
Marathon Petroleum Company |
| Ohio Cities Gas Company |
Union Oil Company of California |
| Ohio Oil Company |
Marathon Petroleum Company |
| Oil & Gas Futures |
Out of business |
| Oil & Gas Properties Company |
Chevron USA, Inc. |
| Oil Acquisitions, Inc. |
Same |
| Oil Development Company of Utah |
Santa Fe Energy |
| Oil Investors, Inc. |
MCO Resources, Inc. |
| OKC Limited Partnership |
Box Energy Corporation |
| Oklahoma Acquisition Corp. |
Tutamian Production Corporation |
| Oklahoma Basic Economy Corporation |
Same (Subsid: Ascent Energy Inc.) |
| Oklahoma Natural Gas Company |
Same |
| Oklahoma Oil Company |
Tidal Oil Company |
| Okland Oil Company |
Same |
| Old Ben coal |
Sohio Petroleum Company |
| Old Ocean Oil Company |
AMOCO Production Company |
| Olds Petroleum Corporation |
Ladd Petroleum Corporation |
| Oleum, Inc. |
Diamond Shamrock Exploration Co |
| Oliver Resources, PLC |
Dragon Oil, PLC |
| Olix Industries, Inc. |
Adobe Oil and Gas Corp. |
| Olsen |
Jal Oil Company |
| Olsen & Jal |
Texas Pacific Oil Company |
| Olsen, Fred, Inc. |
Volvo Petroleum |
| Olympia Energy Corp. |
Magic Circle Energy Corp. |
| Olympia Energy Ventures, Ltd. |
International Colin Energy Corp. |
| Olympic Resources, Ltd. |
Whittier Energy Corp. |
| Omega – Smith Energy, Inc. |
Smith Energy Associates, Ltd. |
| Omega Corporation |
Omega – Smith Energy, Inc. |
| Omimex Resources, Inc. |
Same |
| Omni Exploration Inc. |
Claim Energy USA |
| Omni Petroleum Corporation |
Same |
| Omni Power Inc. |
Same |
| Onasco Companies, Inc. |
Tengasco, Inc. (Knoxville, TN) |
| ONEOK Exploration Co. |
Same (Subsid: ONEOK Resources Company) |
| ONEOK Resources Company (Tulsa) |
TXOK Acquisition Inc. (transfer of production companies only – not utilities) |
| ONEOK, Inc. |
Same |
| Onshore Oil Corporation |
Lamson Onshore Oil Corporation |
| Opinac Exploration, Ltd. |
Tarragon Oil & Gas, Ltd. |
| OPUBCO Energy Inc. |
Same (Subsid: Oklahoma Publishing Co.) |
| Ora Oil Company |
Smith & Company |
| Orbit Oil & Gas, Inc. |
Sunoma Energy, Inc. |
| Orion Drillings Funds (various years) |
Ocean Energy, Inc. |
| Orlando Resources Ltd. |
Tornado Resources Ltd. |
| ORRI, Inc. |
Same (Affil: The GHK Company) |
| Oryx Energy Company |
Kerr-McGee Corporation |
| Osage Milestone Petroleum |
Same (Affil: Meridian Oil Inc.) |
| Osca, Inc. (Lafayette) |
BJ Services Company |
| Ottawa Energy, Inc. |
Same |
| Output Exploration, LLC (San Antonio) |
TXCO Resources Inc. |
| Owl Petroleum Company |
Same |
| Owl Petroleum Company, Expl. & Prod. |
Subsid: Owl Petroleum Company |
| Oxford Consolidated, Inc. |
Same |
| Oxford Exploration |
Oxford Consolidated, Inc. |
| Oxley Petroleum Co. (Tulsa) |
Chesapeake Energy Corporation |
| Oxley, John C. Oil Producer |
Oxley Petroleum Co. |
| Oxoco Exploration Corp. |
American Nat’l Petroleum Co. |
| Oxoco Oil & Gas, Inc. |
American Nat’l Petroleum Co. |
| Oxoco Production Corp. |
American Nat’l Petroleum Co. |
| Oxoco, Inc. |
American Nat’l Petroleum Co. |
| Oxoco-Texas, Inc. |
American Nat’l Petroleum Co. |
| OXTEX, Inc. |
American Nat’l Petroleum Co. |
| Oxy Petroleum Inc. |
Cities Service Oil & Gas Corp. |
| OXY USA Inc. |
Same (Subsid: Occidental Oil and Gas) |
| P |
| P & O Falco, Inc. |
Union Texas Petroleum Corp. |
| P & O Oil Corporation |
Same (Affil: Meridian Oil Inc.) |
| P & P Producing Inc. |
Midpar LP |
| P & P Producing Texas, Inc. |
P & P Producing Inc. |
| P O R Oil & Gas Inc. |
Norcen Explorer, Inc. |
| P.P.M. Investments (USA), Inc. |
India Temple Minerals Co. |
| Pacer Development |
Pacer Petroleum Inc. |
| Pacer Petroleum Inc. |
Same |
| Pacific Energy Investments, Inc. |
Devon Energy Corporation |
| Pacific Energy Partners, LP |
Same (Affil: Anschutz) |
| Pacific Enterprises Oil Company |
Hunt Oil Company (See Notes in back) |
| Pacific Enterprises Royalty Company |
Pacific Enterprises Oil Company |
| Pacific Enterprises, Inc. |
Sempra Energy, Inc. |
| Pacific Gas & Electric Company |
Same |
| Pacific Gas & Electric Supply Company |
NGC Energy Company |
| Pacific Petroleum |
Petro-Canada |
| Pacific Power and Light Co. |
Same |
| Pacific Transmission Supply Company |
Pacific Gas & Electric Supply Company |
| Pacific Union |
Texas American Oil Corp. |
| Pacific Western Oil Corporation |
Getty Oil Company |
| Packaging Research Corporation |
Same |
| Paco Integrated Energy Inc. (Houston) |
Same |
| Paco Oil & Gas Inc. |
Paco Integrated Energy Inc. |
| Pampas Investments, Ltd. |
Same (Affil: The GHK Company) |
| Pan American Petroleum Corp. |
Amoco Production Company |
| Pan Energy Field Services, Inc. |
Duke Energy Field Services, Inc. |
| Pan Ocean |
Marathon Petroleum Company |
| Pan Ocean Energy Corporation Ltd. |
Addax Petroleum Corporation |
| Pan Petroleum MLP |
Panaco, Inc. |
| Panada Resources Corporation |
LaTex Resources, Inc. |
| Pancana Industries, Inc. |
Pancana Minerals, Inc. |
| Pancana Minerals, Inc. |
Same |
| PanCanadian Energy Corp. |
EnCana Oil & Gas, Ltd. |
| Pancanadian Petroleum Company |
PanCanadian Energy Corp. |
| PanEnergy Corporation |
Duke Energy, Inc. |
| Pangaea Petroleum Corp. |
Same (Houston) |
| Panhandle Eastern Corporation |
PanEnergy Corporation |
| Panhandle Oil and Gas, Inc. |
Same |
| Panhandle Oil Corporation |
American Petrofina Co. of Texas |
| Panhandle Royalty Company |
Panhandle Oil and Gas, Inc. |
| Panhandle Western Gas Company |
APX Western Corporation |
| Pantera Energy Corp. |
HS Resources, Inc. |
| Panther Energy Company, LLC |
Same (Tulsa) |
| Paracon Petroleum, Inc. |
Cypher Energy Corporation |
| Paragon Petroleum Corp. |
Northrock Resources, Inc. |
| Paragon Petroleum Ltd. |
Paragon Petroleum Corp. |
| Paramount Petroleum Co. |
Same (Affil: Torch Energy Corporation) |
| Paramount Resources Ltd. |
Same (Seattle, Calgary) |
| Park Avenue Exploration Crop. |
PetroCorp, Inc. |
| Park Oil |
Martin Exploration Mgt. Company |
| Parker & Parsley Development Partners, LP |
Parker & Parsley Petroleum Company |
| Parker & Parsley Petroleum Company |
Pioneer Natural Resources USA, Inc. |
| Parker Drilling Company |
Same |
| Parker Energy Resources, Inc. |
Same |
| Parker Industries, Inc. |
Same (Subsid: Homco International, Inc.) |
| Parker Oil and Gas Company |
Ladd Petroleum Corp. |
| Parker Petroleum Corp. |
Western Oil Fields, Inc. |
| Parragon Petroleum, Inc. |
South Hampton Mineral Corp. |
| Parson Oil LLC |
Same |
| Parson, Elmer S., Jr. |
Parson Oil LLC |
| Partners Oil Company |
Cedyco Corporation |
| Pasco, Inc. |
Little America Refining Co. |
| Pasotex Petroleum |
The California Company |
| Pathfinder Petroleum Corp. |
Energy Investments |
| Patina Oil & Gas Corporation |
Noble Energy Inc. |
| Patrick Petroleum Company |
Goodrich Petroleum, Inc. |
| Patterson Energy, Inc. (Snyder, TX) |
Same |
| Paul Revere Management Corp. |
Same |
| Pauley Petroleum, Inc. |
Hondo Oil & Gas Co. (New 1989 not ARCO) |
| Pax Petroleum, Inc. |
Petrodynamics, Inc. |
| P’Bell Energy Company |
MCNIC Oil & Gas Midcontinent, Inc. |
| PCTC – Oregon, Inc. |
Same (Affil: Meridian Oil Inc.) |
| PCTC – Skykomish, Inc. |
Same (Affil: Meridian Oil Inc.) |
| PCTC, Inc. |
Same (Affil: Meridian Oil Inc.) |
| Peak Energy Resources, Inc. |
XTO Energy, Inc. |
| Peake Energy, Inc. |
Beldon & Blake Corporation |
| Peake Operating Company |
Beldon & Blake Corporation |
| Pease Oil and Gas Company |
Republic Resources, Inc. (Grand Junction, CO) |
| Pecos Company |
Same (Affil: Meridian Oil Inc.) |
| Pecos Exploration Company |
ALCO Oil & Gas Corporation |
| Pecos Production Company |
Chesapeake Energy Corporation |
| PEDCO Resources Company |
Same |
| Peerless Oil & Gas Company |
Fluor Oil and Gas Corporation |
| Peerless Oil Producing Company |
Peerless Oil & Gas Company |
| PEI of Texas |
Mesa, Inc. |
| Peltex |
McMoran Oil & Gas Company |
| Pelto Oil Company |
Southdwon, Inc. |
| PEMC U.S., Inc. |
Devon Energy Corporation |
| PEMC, Inc. |
Devon Energy Corporation |
| Penaco, Inc. |
Same |
| Penn Central |
Same |
| Penn West (Denver, Calgary) |
Same |
| Penn West Energy Trust |
Penn West |
| Pennaco Corporation |
Out of Business (Liquidated in Bankruptcy) |
| Pennaco Drilling, Inc. |
Out of Business (Liquidated in Bankruptcy) |
| Pennaco Energy, Inc. |
Same (Subsid: Marathon Oil Company) |
| Pennaco Oil Company, Inc. |
Out of Business (Liquidated in Bankruptcy) |
| Pennaco Oil Corporation |
Out of Business (Liquidated in Bankruptcy) |
| Pennant Leasing, Inc. |
Devon Energy Corp. |
| Pennetex Petroleum Company |
Tidewater Oil Company |
| Pennsylvania Castle Energy Corp. |
Same |
| Pennsylvania Refining Company |
Penreco, Inc. |
| Penntex Petroleum & Land Co. |
Tidewater Oil Company |
| Penn-Virginia Resources Corp. |
Same |
| PennzEnergy Company |
Devon Energy Corporation |
| PennzEnergy Exploration & Production, LLC |
Devon Energy Corporation |
| Pennzoil Company |
Pennzoil-Quaker State Company |
| Pennzoil Exploration & Production Co. |
Pennzoil Company |
| Pennzoil United |
Pennzoil Company |
| Pennzoil-Quaker State Company |
Shell Oil Company |
| Penreco, Inc. |
Same (Subsid: Pennzoil Company) |
| Penrose Production Company |
Sohio Petroleum Company |
| Penrose, N.G., Inc. |
Sohio Petroleum Company |
| Peoples Energy Corp. |
Same (Chicago) |
| Peoples Energy Production Company |
El Paso Exploration and Production Company |
| Peoples Natural Gas Company |
Sun Oil Line Company |
| Peplin Oil Company (Stillwater, OK) |
Crown Partners, LLC |
| Peppers Refining Company |
Champlin Refining Company |
| Perfection Inspection Company |
Dyco Petroleum Corporation |
| Permian Basin Pipeline Company |
Northern Natural Gas Company |
| Permian Basin Trust |
Same (Affil: Meridian Oil Inc.) |
| Permian Corporation |
Scurlock Permian Corp. (Subsid: Ashland Oil Inc.) |
| Permian Oil |
Permian Corporation |
| Permian Resources Co. |
Same (Subsid: Chesapeake Energy Corp) |
| Perry Energy Corp., Inc. |
Parker Energy Resources, Inc. |
| Petco (Petroleum Corp. of Texas) |
Breck Operating Corporation |
| Petco, Inc. |
Same |
| Petro Well Services Inc. |
CenAlta Energy Services Inc. |
| Petro-Canada |
Suncor Energy Inc. |
| Petrocarbons, Inc. |
Columbia Petroleum Corporation |
| PetroCorp |
PetroCorp, Inc. |
| PetroCorp, Inc. |
Unit Corporation |
| Petrodel Exploration, Inc. |
Petrofina Delaware, Inc. |
| Petrodynamics, Inc. |
Citrus County Land Bureau, Inc. |
| Petrodyne Industries, Inc. |
Petrodynamics, Inc. |
| Petro-Energy Exploration Inc. |
Faulkner Corp. |
| Petrofina Canada |
Petro-Canada |
| Petrofina Delaware, Inc. |
American Petrofina, Inc. |
| Petrofina Exploration, Inc. |
American Petrofina, Inc. |
| Petrofina, SA (Belgium) |
Total, SA |
| Petroglyph Energy Inc. |
Same (Hutchison, KS) |
| Petroglyph Energy Inc. |
Same (Hutchison, KS) |
| Petrohawk Energy Corporation |
Same (Houston) |
| Petrohawk Operating Company |
Same (Subsid: Petrohawk Energy Corp.) |
| Petroleum Corp. of Delaware, The |
Same (Subsid: Presidio Oil Company) |
| Petroleum Corporation of Texas |
Petco, Inc. |
| Petroleum Development Corporation |
Same (Bridgeport, W. VA) |
| Petroleum Exploration and Technology, Inc. |
Same (Los Angeles) (Subsid: Daugherty Resources, Inc.) |
| Petroleum Inc. |
Same (Tulsa) |
| Petroleum Int’l Associates, Inc. |
Hydro Carbon Trading-Transport |
| Petroleum Investments, Ltd. |
Bradmar Petroleum Corporation |
| Petroleum Reserve Corp. |
Castle Energy Corp. |
| Petro-Lewis Corp. |
Same |
| Petro-Lewis of Lear Petroleum |
Same |
| Petrolith Inc. |
Unibar Energy Services Inc. |
| Petromark Merger Company |
Petromark Resources Company |
| Petromark Resources Company |
PEDCO Resources Company |
| PetroQuest Resources, Inc. |
Same (Arlington, TX) |
| Petroro Corporation |
Captiva Resources, Inc. |
| PetroSearch Energy Corp (Houston) |
Double Eagle Petroleum Co. |
| Petrosearch Energy Corp. (Houston) |
Same (Subsid: Double Eagle Petroleum Co.) |
| Petrotech Energy Group, Inc. |
Same |
| Petrotide Ltd. |
Posse Energy Ltd. |
| Petrotiger II Ltd. |
Posse Energy Ltd. |
| PETX Petroleum corp. |
Anchor Bay Corp. |
| Pexamin Pacific, Inc. |
Independent Exploration Company |
| PG&E Enterprises |
Same (Subsid: Pacific Gas and Electric Company) |
| PG&E Gas Supply Company |
NGC Energy Company |
| PG&E Resources Company |
Same (Subsid: Pacific Gas and Electric Company) |
| Phibro Energy, Inc. |
Basis Petroleum, Inc. |
| Philbro Oil & Gas Corp. |
IDC Energy Corp. |
| Phillips Oil Company |
Phillips Petroleum Company |
| Phillips Petroleum Company |
ConocoPhillips |
| Phoenix Energy Company |
Same |
| Phoenix Operating Company |
Same |
| Phoenix Resources Co. |
TIPCO |
| Phoenix Resources Companies, Inc. |
Same (Subsid: Apache Corporation) |
| Piaga, Inc. |
Mesa, Inc. |
| Piedmont Petroleum Corp. |
Southwestern Production Corp. |
| Pilgrim Exploration |
American Energy Exploration Co. |
| Pin Oak Petroleum, Inc. |
Same |
| Pincher Creek Ranch |
Same (Affil: Meridian Oil Inc.) |
| Pinto, Joseph |
Same |
| Pioneer Coal company |
Mesa Petroleum Company |
| Pioneer Corporation |
Mesa Petroleum Company |
| Pioneer Houston, Inc. |
Mesa Petroleum Company |
| Pioneer Natural Resources Co. |
Same (Dallas) |
| Pioneer Natural Resources USA, Inc. |
Same (Dallas) |
| Pioneer Nuclear, Inc. |
Mesa Petroleum Company |
| Pioneer Production Corp. |
Mesa Petroleum Company |
| Pittencrieff America, Inc. |
Same (Abilene) |
| Place Resources Corp. |
Star Oil & Gas Acquisitions, Ltd. |
| Placid Oil Company |
Same |
| Plains Exploration & Production Co. |
Same (Subsid: Plains Resources, Inc.) |
| Plains Petroleum Company |
Barrett Resources Corp. |
| Plains Resources, Inc. |
Same (Houston) (Subsid: Vulcan Capital) |
| Plano Petroleum Corp. |
Trousil and Associates Inc. |
| Platinum Energy Resources, Inc. |
Same |
| Platt Energy Corp. |
United States Borax & Chemical Corp. |
| Playa Minerals & Energy Inc. |
Vulcan Minerals & Energy Inc. |
| Pleasant Valley Energy Company |
Same (Subsid: Tri-Valley Corporation) |
| Plotner Oil and Gas Company |
Silverridge Corp. |
| Plum Creek Timber Company |
Same (Affil: Meridian Oil Inc.) |
| Plymouth Oil Company |
Ohio Oil Company |
| Poco Petroleum Ltd. (Calgary) |
Burlington Resources Corp. |
| Pogo Producing Company |
Plains Exploration and Production Company |
| Pomaikai Oil Corporation |
Devon Energy Corporation |
| Pontotoc Production Company Inc. |
Same (Subsid: Ascent Energy Inc.) |
| Ports of Call Oil Company |
Champion Reserve Corporation |
| Posse Energy Ltd. |
Same |
| Posse Petroleum Ltd. |
Posse Energy Ltd. |
| Potts Stephenson Exploration Co., Inc. |
ONEOK Resources Company |
| PPC Anadarko, In. |
Harken Exploration Company |
| PPC Oil & Gas Corp. |
Paragon Petroleum Corp. |
| PPPCO Oil Oil Co. Ltd. |
Posse Energy Ltd. |
| Prairie Oil Company |
Prairie Sinclair Oil Company |
| Prairie Producing Company |
Same (Subsid: Placer Development, Ltd.) |
| Prairie Sinclair Oil Company |
Sinclair Oil & Refining Corp. |
| Prairie State Energy Company |
Same |
| Premcor Refining Corp. |
Valero Energy Corporation |
| Premier Operating Company |
Imperial Petroleum, Inc. |
| Premier Resources Ltd. |
Northern Reef Exploration Ltd. |
| Presco Western LLC |
Same (Subsid: Ellora Oil & Gas Inc.) |
| Presidio Exploration, Inc. |
(Subsid: Presidio Oil Company) |
| Presidio Oil Company |
Tom Brown, Inc. |
| Presidio Operating Company |
Captain, Inc. |
| PREVIOUS NAME |
CURRENT NAME |
| Primary Fuels, Inc. |
Same |
| Prime Natural Resources Inc. |
Same (Houston) |
| PrimeEnergy Corporation |
Same |
| PrimeEnergy Management Corp. |
Same (Subsid: PrimeEnergy Corporation) |
| Prime-X Oil and Gas, LLC |
Prime Natural Resources Inc. |
| Princeton Natural Gas Company |
Chesapeake Energy Marketing, Inc. |
| Prize Energy Corp. |
Magnum Hunter Resources, Inc. |
| Producers Oil, Inc. |
Texaco USA, Inc. |
| Producers Royalty Corp. |
Texas American Oil Corp. |
| Producing Properties, Inc. |
Reserve Oil and Gas Company |
| Profile Capital Corp. |
Abacan Resource Corp. |
| Progress |
Rycade |
| Progress Energy, Inc. |
Same (Raleigh, NC) |
| Progress Fuel Corp. |
Same (Subsid: Progress Energy, Inc.) |
| Promax Energy Inc. |
American Promax Inc. |
| Prospect Company, The |
Subsid: The Travellers Ins. Co. |
| Providence Energy Corp. |
Southern Union Company |
| Providence Oil & Gas Corp. |
Same |
| Prudential Minerals Exploration |
Del Mar |
| PSEC, Inc. |
ONEOK Resources Company |
| PSI Energy Inc. (Indiana) |
Duke Energy, Inc. |
| PSPC Ltd. |
ONEOK Resources Company |
| Pubco Petroleum Corporation |
Mesa Petroleum Company |
| Public Service Company of Oklahoma |
PSO |
| Public Utility Corporation of Arkansas |
ARKLA, Inc. |
| Puma Energy Inc. |
Same (Dallas) |
| Pure Energy Resources Inc. |
Same (Midland) (Affil: Uncoal Corp.) |
| Pure Oil Company |
Union Oil Co. of California |
| Putnam Venture, Ltd. |
Exploration Associates, LLC |
| PYR Energy Corp. |
Samson Investment Company |
| Pyramid Oil Corporation |
Same |
| Pyramid Petroleum, Inc. |
Same (Houston) |
| Pyro Energy Corp. |
Exex Resources |
| Q |
| Quaker State Oil Company |
Shell Oil Company |
| Quanah Petroleum, Inc. |
Marline Petroleum Corporation |
| Quarles Drilling Corporation |
Integrated Drilling & Exploration, Inc. |
| Quasar Tech, Inc. |
McGowen Resources Co. |
| Quay Valley Inc. |
Same |
| Que West Resource, Inc. |
Ottawa Energy, Inc. |
| Quebec Affiliates (North America), Ltd. |
Razor Oil Company |
| Queen Sand Resources Inc. |
DevX Energy Inc. |
| Quesota Oil & Gas |
Same |
| Questa Oil & Gas Company |
Same (Subsid: Unit Corporation) |
| Questar Corp. |
Same |
| Questar Energy Company |
Same (Subsid: Questar Corp.) |
| Questar Exploration and Production Company |
Same (Subsid: Questar Corp.) |
| Quinoco Energy Inc. |
Saxon Oil Development Partners |
| Quinoco Oil Corp. |
Saxon Oil Development Partners |
| Quinoco Resources, Inc. |
Saxon Oil Development Partners |
| Quintana Petroleum, Inc. |
Hallwood Petroleum, Inc. |
| R |
| Rainbow Resources, Inc. |
Williams Companies, The |
| RAM Energy Resources, Inc. |
Same (Tulsa) |
| Ram Energy, Inc. |
Same |
| Ram Oil & Gas LLC (Dallas) |
Tridimension Energy LLC |
| Ram Operating, Inc. |
Ram Energy, Inc. |
| Ramco Corporation |
Same (Affil: The GHK Company) |
| Ramco Inc. |
Ram Energy, Inc. |
| Ramco-NYL-1987 Limited Partnership |
Ram Energy, Inc. |
| Ranch Oil Company |
Ranch Royalty Company |
| Ranch Royalty Company |
Same |
| Range Resources Corp. |
Same (Ft. Worth) |
| Rankin Oil Company |
Hydrogen Energy Corporation |
| RATEX Resources Incorporated |
Same |
| Ratliff Exploration Company |
TXO Production Corp. |
| Ray Resources Corporation |
Flying Diamond Oil Corp. |
| Razor Oil Company |
Same |
| RB Operating, Inc. |
Ram Energy, Inc. |
| RDC, Inc. |
Same (Subsid: Miramar Resources, Inc.) |
| Reading & Bates Production Co. |
Ram Energy, Inc. |
| Rebel Exploration, Inc. |
Same |
| Red Eagle Resources Corp. |
Lomak Petroleum, Inc. |
| Red River Energy Inc. (Tulsa) |
Beta Oil & Gas Inc. |
| Red Rock Ranch |
Same (Affil: The GHK Company) |
| Redco Corporation |
Arapaho Petroleum, Inc. |
| Redfern Development Corp. |
Flag Oil Corp. |
| Redfern Oil Company |
Flag Oil Corp. |
| Redfern, Peter F. & Sons, Co. |
Flag Oil Corp. |
| Redwind Company |
Same (Affil: The GHK Company) |
| Redwind Trust A, B & C |
Same (Affil: The GHK Company) |
| Redwood Energy (USA) Ltd. |
Same |
| Regal Oil Company |
Aminoil USA, Inc. |
| Regency Exploration, Inc. |
Oxford Consolidated, Inc. |
| Reichhold Energy |
Atlantic Richfield Company |
| Reily Oil |
Martin Exploration Mgt. Company |
| Reiter-Foster |
Same |
| Remington Oil & Gas Corp. |
Cal Dive International Inc. |
| Reno Natural Gas Company |
Tenneco Oil Company |
| Reno Oil Company |
Tenneco Oil Company |
| Repello Oil Company |
Sinclair Oil and Gas Company |
| Republic Natural Gas Company |
Mobil Oil Corporation |
| Republic Resources, Inc. |
Same (Grand Junction, CO) |
| Reserve Natural Gas Company |
ARKLA, Inc. |
| Reserve Oil and Gas Company |
Getty Oil Company |
| Reserve Oil, Inc. |
Getty Reserve Oil Inc. |
| Reserve Petroleum Company |
Getty Reserve Oil Inc. |
| Resource America, Inc. |
Same |
| Resource Exploration, Inc. |
Resource America, Inc. |
| Resource Partners |
Mission Resource Partners, L.P. |
| Resource Services Corp. |
Integrated Drilling & Exploration, Inc. |
| Reunion Energy Company |
Same (Subsid: Reunion Resources Company) |
| Reunion Resources Company |
Same |
| Rialto Energy Inc. |
Same (Affil: Torch Energy Corporation) |
| Riata Energy Inc. (Amarillo) |
SandRidge Energy, Inc. |
| Richardson-Bass |
Bass Producing |
| Richfield Oil Company |
Atlantic Richfield Company |
| Richfield Oil Company of California |
Richfield Oil Company |
| Richland Resources Corp. |
Same (Oklahoma City) |
| Ricks Exploration, Inc. |
Same (Subsid: Concho Oil & Gas Corp.) |
| Ridgeway Arizona Oil Corporation |
Same (Subsid: Enhanced Oil Resources, Inc.) |
| Ridgeway Petroleum Corporation |
Enchanced Oil Resoyrces, Inc. |
| Rigel Energy Corp. |
Same |
| Rine Drilling and Exploration, Inc. |
Todd, C.H., Inc. |
| Rio Grande Oil Company |
Atlantic Richfield Company |
| Rio Nevada Energy, Inc. |
Can West Exploration, Inc. |
| RMR, Inc. |
Texaco USA, Inc. |
| Roadrunner Energy, Inc. |
Brustan Petroleum Corp. |
| Robertson, Corbin J. |
Same (Operates: Quintana Pet.) |
| Rock Hill Oil Company |
Getty Oil Company |
| Rock Island Oil & Refining Co., Inc. |
Koch Industries, Inc. |
| Rocksource ASA |
Same (Oslo, Norway / Houston) |
| Rocksource Energy Corporation |
Same (Subsid: Rocksource ASA) – Houston |
| Rockwell Drilling Company |
RDC, Inc. |
| Roden Oil Company |
Houston Natural Gas Corp. |
| Rodman Petroleum Corporation |
Same |
| Rodman-Noel |
Rodman Petroleum Corporation |
| Roeser and Pendleton |
Young, Marshall R. |
| Root Petroleum Corporation |
AMOCO Production Company |
| Ro-Pen Royalty |
Young, Marshall R. |
| Rosewood Resources, Inc. |
Same |
| Ross Production Company |
Nerox Energy Corporation |
| Rowan Oil & Drilling Company |
Texas Pacific Oil Company |
| Roxana Oil Company |
Shell Oil Company, Inc. |
| Roxana Petroleum Company |
Shell Oil Company |
| Roxana Resources, Ltd. |
Same |
| Royal Producing Company |
DEKALB Energy Company |
| Royalties Management Company |
Houston Royalty Company |
| RTZ Corp. |
Same |
| Rubicon Company, LP |
Same (Affil: Torch Energy Corporation) |
| Rubicon Oil and Gas LLC |
Same (Midland) |
| Rust Oil Corporation |
Same |
| RVO Petroleum Co. |
Getty Reserve Oil, Inc. |
| Rycade |
Same |
| S |
| Saba Petroleum Corp. |
Greka Energy Corp. |
| Sabacol Inc. |
Same (Subsid: Greka Energy Corp.) |
| Sabine Corporation |
Pacific Enterprises Royalty Company |
| Sabine Production Company |
Sabine Corporation |
| Sabine Royalty Corporation |
Sabine Corporation |
| Salamander Energy PLC |
Same (London) |
| Salamon Inc. |
Same |
| Salt Lake Refining Company |
California Company, The |
| Saltmount Oil Company |
Midwest Oil Corporation |
| Saltmount-Midwest Oil Company |
Amoco Production Company |
| Samedan Oil Corporation |
Same (Subsid: Noble Affiliates Inc.) |
| Samson International Company |
Same |
| Samson Investment Company |
Same (Affil: Samson Resources Corporation) |
| Samson Natural Gas Company |
SNG Production Company |
| Samson Natural Resources Corporation |
Same (Subsid: Samson International Company) |
| Samson Resources Corporation |
Samson International Company |
| Samsung Oil & Gas USA Corp. |
Same (Subsid: Samsung of S. Korea) |
| San Diego Gas & Electric, Inc. |
Same (Subsid: Sempra Energy, Inc.) |
| San Jacinto |
Exxon Company USA |
| Sandefer Oil & Gas, Inc. |
Sandefer Oil Company |
| Sandefer Oil Company |
Same |
| Sandhawk Energy, LLC |
Rocksource Energy Corp. |
| SandRidge Energy, Inc. |
Same (Oklahoma City, OK) |
| SandRidge Midstream, Inc. |
Same (Subsid: SandRidge Energy, Inc.) |
| SandRidge Tertiary, LLC |
Same (Subsid: SandRidge Energy, Inc.) |
| Sanguine, LTD. |
Same |
| Santa Fe Andover Oil Company |
Santa Fe Minerals, Inc. |
| Santa Fe Braun Inc. |
Same |
| Santa Fe Energy Company |
Santa Fe Energy Resources, Inc. |
| Santa Fe Energy Partners LP |
Santa Fe Energy Resources, Inc. |
| Santa Fe Energy Resources, Inc. |
Santa Fe Snyder Corp. |
| Santa Fe Industries |
Same |
| Santa Fe International Company |
Same |
| Santa Fe International Corporation |
Santa Fe International Company |
| Santa Fe Minerals, Inc. |
Same |
| Santa Fe Pacific Corp. |
Same |
| Santa Fe Snyder Corp. |
Devon Energy Corp. |
| Santa Fe Southern Pacific Corp. |
Santa Fe Pacific Corp. |
| Santiago |
Texas American Oil Corp. |
| Santo Resources, Inc. |
Chesapeake Mid-Continent Corp. |
| Santos Americas and Europe Corporation |
Same (Subsid: Santos, Ltd.) (Houston) |
| Santos Ltd. |
Same |
| Santos USA Corp. |
Same (Subsid: Santos, Ltd.) (Houston) |
| SAP Acquisition, LLC |
Same (Subsid: Chesapeake Energy Corp.) |
| Sapient Energy Corp. (Tulsa) |
Chesapeake Energy Corporation |
| Sara Oil & Gas, Inc. |
Same (Oklahoma City) |
| Saratoga Resources, Inc. |
PrimeEnergy Corporation |
| Sarkeys |
Sabine Production Company |
| Savoy Exploration, Inc. (Michigan) |
Same |
| Savoy Oil & Gas, Inc. |
Savoy Exploration, Inc. |
| Saxon Oil Company |
Hallwood Energy Corporation |
| Saxon Oil Development Partners |
Hallwood Energy Partners, L.P. |
| Saxony Corporation |
Same (Affil: Meridian Oil Inc.) |
| Scana Corp. |
Same |
| Scana Petroleum Resources, Inc. |
Same (Subsid: Scana Corp.) |
| Schermerhorn |
Anderson-Prichard Oil Company |
| Schlacter, David A. |
Same |
| Schraeder Oil Company |
Phillips Petroleum Company |
| Schroeder Oil and Gas Corp. |
High Plains Oil Corporation |
| Scissor Tail Energy LLC |
Copano Energy LLC |
| Scope, Inc. |
Same |
| Scurlock Oil Company |
Same (Subsid: Ashland Oil Inc.) |
| Scurlock Permian Corp. |
Same (Subsid: Ashland Oil Inc.) |
| Seaboard Oil & Gas Company |
Texaco-Seaboard, Inc. |
| Seaboard Oil Company |
Same |
| Seafeld Resources |
Same (Affil: Torch Energy Corporation) |
| Seagull Energy Corporation (Houston) |
Ocean Energy, Inc. |
| Seahawk Capital Corporation |
Same |
| Seahawk Oil International |
Seahawk Capital Corporation |
| Seal Petroleum Corporation |
Comex Marine Service |
| Search Drilling |
Providence Oil & Gas Corp. |
| Search Exploration and Dev. Co. |
Same |
| Seaside Oil Company |
Phillips Petroleum Company |
| Secom General Corp. |
Same |
| Seitel Inc. |
Same (Houston) |
| Seminole Pipeline Company |
Enterprise Products Partners, L.P. |
| Sempra Energy International, Inc. |
Same (Subsid: Sempra Energy, Inc.) |
| Sempra Energy Resources, Inc |
Same (Subsid: Sempra Energy, Inc.) |
| Sempra Energy Solutions, Inc. |
Same (Subsid: Sempra Energy, Inc.) |
| Sempra Energy Trading Company |
Same (Subsid: Sempra Energy, Inc.) |
| Sempra Energy Utility Ventures, Inc. |
Same (Subsid: Sempra Energy, Inc.) |
| Sempra Energy, Inc. (San Diego, CA) |
Same |
| Seneca Oil Company |
Same (Subsid: Kaiser-Francis Oil Company) |
| Seneca Resources Corp. |
Same |
| Seven Seas Petroleum, Inc. |
Same |
| SEW Oil Corporation |
American Petrofina, Inc. |
| SGO Petroleum Inc. |
BRG Petroleum, Inc. |
| Shaffer Oil & Refining Company |
Deep Rock Oil Corp. |
| Shamrock Oil & Gas Corp. |
Diamond Shamrock Corp. |
| Shamrock Pipeline Corp. |
Diamond Shamrock Exploration Co. |
| Shawnee Oil and Gas |
Devon Energy Corp. |
| Shell Continental Companies |
Same |
| Shell Oil Company, Inc. |
Same (Subsid: Royal Dutch/Shell) |
| Shell Petroleum Company, Inc. |
Shell Oil Company, Inc. |
| Shell Petroleum Corp. |
Shell Oil Company, Inc. |
| Shell Western E & P Inc. |
Shell Continental Companies |
| Shell Western Expl. & Prod., Inc. |
SWEPI |
| Shenandoah Oil Corporation |
Mesa, Inc. |
| Sheridan California Energy Inc. |
Same (Affil: Sheridan Energy, Inc.) |
| Sheridan Energy, Inc. |
Same (Houston) (Subsid: Calpine Corp.) |
| Shield Oil Company |
Amoco Production Company |
| Shore Oil |
Same (Affil: Torch Energy Corporation) |
| Shoreline Petroleum Corporation |
Producing Properties, Inc. |
| Siebens Oil & Gas |
Dome Petroleum Corp. |
| Siebens Oil & Gas Company |
Texaco USA, Inc. |
| Signal Company |
Signal Oil and Gas Company |
| Signal Oil and Gas Company |
Burmah Oil and Gas Company |
| Silver Eagle Resources, Ltd. |
Ocean Energy, Inc. |
| Silverridge Corp. |
Same |
| Simba Energy Corp. |
Same |
| Sinclair Consolidated Oil Corp. |
Sinclair Oil Corporation |
| Sinclair Gulf Corp. |
Sinclair Consolidated Oil Corp. |
| Sinclair Oil & Refining Corp. |
Sinclair Oil Corporation |
| Sinclair Oil and Gas Company |
Sinclair Oil Corporation |
| Sinclair Oil Corporation |
Atlantic Richfield Company |
| Sinclair Oil Corporation |
Same |
| Sinclair, William D., Inc. dba Sinclair Oil Properties |
Bearcat Land, Inc. (Oklahoma City) |
| Sipco, Inc. |
Chevron USA, Inc. |
| Skaer Enterprises, Inc. |
Willard Pease Oil & Gas Co. |
| Skelly Oil Company |
Getty Oil Company |
| Skyhawk Energy Affiliates, Inc. |
Cutlass Corporation |
| SKZ, Inc. |
Zilkha Energy Company |
| SLAPCO (South Louisiana Prod. Co) |
Celeron Oil and Gas Company |
| Slick Oil Company, The |
Slick-Urschel Oil Company |
| Slick-Moorman Trustees |
Same |
| Slick-Urschel Oil Company |
Slick-Moorman Trustees |
| Sloan Acquisition Corp. |
BayCorp Holdings Ltd. |
| Sloan Group, Ltd. |
Same (NH) |
| Smart Exploration, Inc. |
Cannon Energy, Inc. |
| Smith & Company |
Same |
| Smith Development Corporation |
Petrodynamics, Inc. |
| Smith Energy Associates, Ltd. |
Same |
| SMR Energy Income Funds |
Same |
| SMR Natural Gas Ventures, Inc. (Houston) |
Same (Subsid: SMR Energy Income Funds) |
| SMR Property Management, Inc. |
SMR Natural Gas Ventures, Inc. |
| SND Energy Company, Inc. |
Petrotech Energy Group, Inc. |
| SNG Production Company |
Same (Affil: Samson Resources Corporation) |
| Snyder Oil Corporation |
Santa Fe Snyder Corp. |
| Snyder Operating Partnership, L.P. |
Snyder Oil Corporation |
| Socony |
Mobil Oil Corporation |
| Socony Mobil Oil Company, Inc. |
Mobil Oil Corporation |
| Socony Vacuum Oil Company |
Mobil Oil Corporation |
| Sohio Petroleum Company |
Standard Oil Production Company |
| Solarex |
Amoco Production Company |
| Sonat Exploration Company |
Same (Subsid: Sonat, Inc.) |
| Sonat Minerals, Inc. |
Sonat, Inc. |
| Sonat, Inc. |
El Paso Energy, Inc. |
| Sonora Acquisitions Corp. |
Same (Subsid: American Exploration Company) |
| Sooner Testing Inc. |
Cudd Pressure Control |
| Soquip |
Same |
| Sotex |
Chevron USA, Inc. |
| Sourgasco, Inc. |
Conquest Exploration Company |
| South California Petroleum Company |
Scope, Inc. |
| South Hampton Mineral Corp. |
Same |
| South Louisiana Production Co. (SLAPCO) |
Celeron Oil and Gas Company |
| South States Oil & Gas Company |
Same (Subsid: American Exploration Company) |
| South Texas Development Company |
Sabine Royalty Corporation |
| Southdown, Inc. |
Same |
| Southeastern Exploration Company |
Enron Oil & Gas Company |
| Southern California Gas Company |
Same (Subsid: Sempra Energy, Inc.) |
| Southern Cities Distributing Company |
Arkansas Louisiana Gas Company |
| Southern Crude Oil Purchasing Company |
Stanolind Oil and Gas Company |
| Southern Energy Resources |
Crown Zellerbach Corp. |
| Southern Mineral Corp. |
PetroCorp, Inc. |
| Southern Mineral Gas |
Sonat, Inc. |
| Southern Minerals |
Sun Expl. & Prod. Company |
| Southern Natural Resources Company |
Sonat, Inc. |
| Southern Petroleum Company |
Sabine Production Company |
| Southern Petroleum Exploration |
Wiser Oil Company |
| Southern Producing Company |
Sinclair Oil Company |
| Southern Production & Refining Company |
Sonat, Inc. |
| Southern Production Company |
Atlantic Richfield Company |
| Southern Union Company |
Same (Austin) |
| Southern Union Production Company |
Supron Energy Corporation |
| Southland Corporation |
Same |
| Southland Royalty Company |
Meridian Oil, Inc. |
| Southmark Corp. (MGF Assets) |
Kaiser-Francis Oil Company |
| Southwest Gas |
Sonat, Inc. |
| Southwest Gas Corp. |
Same |
| Southwest Gas Producing Company, Inc. |
Devon Corporation |
| Southwest Natural Production Company |
ARKLA Exploration Company |
| Southwest Royalties Inc. |
Same |
| Southwestern Gas Pipeline, Inc. |
Same (Subsid: Devon Energy Corp) |
| Southwestern Investments, Ltd. |
Same (Affil: The GHK Company) |
| Southwestern Production Corp. |
Same |
| Southwestern Refining Company, Inc. |
Kerr-McGee |
| Southwood Oil Company |
Munance Corp. |
| Sovereign Exploration Company |
Bonanza Petroleum, Inc. |
| Sparkman Production Company |
Arch Petroleum Corp. |
| Spectra Energy Corp. |
Same (Subsid: Duke Energy Corp.) |
| Spectrum 7 Energy Corporation |
Harken Oil & Gas, Inc. |
| Spectrum Gas Systems |
Div. Of Hutton Oil & Gas |
| Spectrum Oil and Gas Company |
MCO Resources Spectrum Corp. |
| Spike Box Land & Cattle Company Inc. |
Same |
| Spindletop Oil & Gas, Inc. |
Prairie State Energy Company |
| Spinnaker Exploration Company |
Same (Houston) (Subsid: Norsk Hydro ASA) (*Dorchester Minerals Oklahoma Et al.) |
| Spire International Corp. |
Same |
| Spirit Energy 76 |
Same (Subsid: Unocal Corporation) |
| SPR Energy Corporation |
Ocean Energy, Inc. |
| Spraberry Development Corp. |
Midpar, LP |
| Spring Holdings Inc. |
Cross Timbers Oil Company |
| Spring Resources, Inc. |
Cross Timbers Oil Company |
| Spurlock & Spines Exploration, Inc. |
Hugoton Energy Corporation |
| SRW, Inc. |
Secom General Corp. |
| ST. Joe Minerals |
Primary Fuels |
| St. Mary Energy Company |
Same (Subsid: St. Mary Land & Exploration) |
| St. Mary Land & Exploration Co. |
Same (Denver) |
| St. Mary Parish Land Company |
St. Mary Land & Exploration Co. |
| Stalwart Energy Company |
Lumen Energy, Inc. |
| Standard Life Oil & Gas Ltd. |
Same (Affil: Torch Energy Corporation) |
| Standard of Indiana |
Amoco Production Company |
| Standard of Texas |
Chevron USA, Inc. |
| Standard Oil Company of California |
Chevron USA, Inc. |
| Standard Oil Company of Indiana |
Amoco Production Company |
| Standard Oil Company of Kentucky |
Chevron USA, Inc. |
| Standard Oil Company of New Jersey |
Exxon Corporation |
| Standard Oil Company of New York |
Mobil Oil Corporation |
| Standard Oil Company of Ohio |
Sohio Petroleum Company |
| Standard Oil Company of Texas |
Chevron USA, Inc. |
| Standard Oil Company, Inc. |
Amoco Production Company |
| Standard Oil Production Company |
BP Exploration Inc. |
| Stanolind Oil & Gas Company |
Pan American Petroleum Corp. |
| Star Oil & Gas Acquisitions, Ltd. |
Star Oil & Gas Ltd. |
| State Petroleum Corp. |
Talisman Energy, Inc. |
| Statoil, Inc. |
Same |
| Stelor Resources Ltd. |
Murwell Resources Ltd. |
| Stephen Petroleum |
F.E. Harper & Cornell |
| Sterling Drill & Prod. Co., Inc |
PrimeEnergy Management Corp. |
| Sterling Energy Ltd. |
Same (Subsid: Sterling Energy, plc U. K.) |
| Sterling Oil & Gas |
Tenneco Oil Company |
| STEX Energy Company |
Same |
| Stocker Resources, Inc. |
Same (Subsid: Plains Resources, Inc.) |
| Stone Energy Corp. |
Same (Lafayette, Denver) |
| Stonehenge Petroleum Corp. |
Inland Fuels Corporation |
| Storm Cat Energy Corp. |
Same |
| Stroud Energy, Inc. |
Range Resources Corporation |
| Sugar Creek Oil & Gas, Inc. |
Ventura Energy, Inc. |
| Summit Petroleum Corporation |
Midland Resources, Inc. |
| Summit Resources, Ltd. |
Paramount Resources, Ltd. |
| Sun |
Sun Company, Inc. |
| Sun Calvert Company |
Sun Oil Company |
| Sun Company, Inc. |
Sunoco, Inc. |
| Sun Company, Inc. (E&P Assets) |
Sun Expl. & Prod. Company |
| Sun Energy Partners, LP |
Kerr-McGee Corporation |
| Sun Expl. & Prod. Company |
Oryx Energy Company |
| Sun Oil Company |
Sun Company, Inc. |
| Sun Oil Company of Ohio |
Sun Company, Inc. |
| Sun Oil Line Company |
Sun Oil Company of Ohio |
| Sun Production |
Sun Company, Inc. |
| Sunac Petroleum Corp. |
Sunset International Pet. Corp. |
| Sunbelt Energy Inc. |
Interamerican Corp. |
| Sunco Trucking Company |
Key Energy Group, Inc. |
| Sundance Canada |
Soquip |
| Sunoco Energy Inc. |
Same |
| Sunoco, Inc. |
Same |
| Sunoma Energy, Inc. |
Same |
| Sunoma, Inc. |
Chesapeake Energy Corp. |
| Sunray DX Oil Company |
Sun Company, Inc. |
| Sunray Mid-Continent Oil Company |
Sunray DX Oil Company |
| Sunray Oil Corporation |
Sunray DX Oil Company |
| Sunset International Petroleum Corp. |
Sipco, Inc. |
| Sunshine Mining |
Same |
| Sunwing Energy, Inc. |
Ivanhoe Energy, Inc. |
| Superior Energy Services, Inc. |
Same |
| Superior Oil Company |
Mobil Oil Corporation |
| Supnev, Inc. |
Superior Oil Company |
| Supron Energy Corporation |
Union Texas Petroleum Corp. |
| Surprise Oil Corporation |
Berry Petroleum Corporation |
| Sweet Corporation |
Oklahoma Acquisition Corp. |
| SWEPI |
Same |
| Synthesis Energy Holding Inc. |
Same (Suibsid: Synthesis Energy Systems Inc. |
| T |
| T & L Oil Company |
Texaco USA, Inc. |
| Taeping Company |
Jerry Chambers Exploration Co. |
| Talisman Energy, Inc. |
Same |
| Tall Grass Services, LLC |
Same (Sbusid: Devon Energy Corp.) |
| Tamborine Holdings Inc. |
Synthesis Energy Holdings Inc. |
| Tamm Oil & Gas Corp. |
Same (Reno, NV / Calgary) |
| Tana Production Corporation |
Texaco USA, Inc. |
| Tandem Energy Holding, Inc. |
Same (Subsid: Platinum Energy Resources, Inc.) |
| Tannehill Oil Company |
Berry Petroleum Corp. |
| Tarasol Ventures Inc. |
Founders Energy Ltd. |
| Tarragon Oil & Gas, Ltd. |
Same |
| Tatonka Oil and Gas Inc. |
Same (Denver) |
| Taurus Exploration U.S.A., Inc. |
Energen Resources Corporation |
| Taurus Exploration, Inc. |
Taurus Exploration U.S.A., Inc. |
| Taylor Energy Company, LLC |
Same (New Orleans) |
| Taylor Refining |
Tenneco Oil Company |
| Taylor, John A. |
Plains Resources, Inc. |
| TBI Acquisitions Inc. |
Brown, Tom Inc. |
| TBI Exploration, Inc. |
Brown, Tom Inc. |
| TCPL Resources U.S.A. Ltd. |
Wessely Energy Company |
| TCW Group, Inc. |
Same (Los Angeles) |
| TCW Investment Management Group, Inc. |
Same (Subsid: TCW Group, Inc.) |
| TDC Energy Corp. |
Same (New Orleans) |
| Tea Australia Inc. |
Same (Affil: Torch Energy Corporation) |
| Teal Exploration, Ltd. |
Same |
| Teal Gathering Company |
ARKLA Exploration Company |
| Teal Pipeline Company |
Same (Subsid: ARKLA Exploration Company) |
| Tejas Gas Corp. |
Kinder Morgan Energy Partners, LP |
| Tejas Gas, LLC |
Kinder Morgan Energy Partners, LP |
| Tejas Natural Gas Liquids, LLC |
Same (Subsid: Shell Oil Company) |
| Tejas Oklahoma Marketing Company |
Tejas Oklahoma Marketing, LLC |
| Tejas Oklahoma Marketing, LLC |
Same (Subsid: Tejas Gas Corp.) |
| Tejas Power Corp. |
TPC Corp. |
| Tekoil Corp. |
Consolidated Oil & Gas, Inc. |
| Tema Oil Company |
Mesa, Inc. |
| Temex Energy, Inc. |
TGX Corporation |
| Temple Exploration, Inc. |
Husky Energy, Inc. |
| Tenkay Resources, Inc. |
Same |
| Tenneco Oil Company |
Liquidated (See Notes in back) |
| Tennessee Gas Transmission Company |
Tenneco Oil Company |
| Tensas Delta Company |
Wheless Drilling Company |
| Terra Resources, Inc. |
Pacific Enterprises Oil Company |
| Terry Energy, Inc. |
Terry Petroleum Company |
| Terry Operating Company |
Terry Petroleum Company |
| Terry Petroleum Company |
Same |
| Terry Resources Corp. |
Terry Petroleum Company |
| TES Acquisitions Corp. |
Same (Subsid: American Exploration Company) |
| Tesoro E & P Company, L.P. |
EEX Onshore, Inc. |
| Tesoro Petroleum Corporation (Partial) |
Shell Oil Company |
| Tesoro Petroleum Corporation (San Antonio) |
EEX Corp. |
| Tetco |
Same |
| TEX/CON Oil & Gas Company |
PG&E Resources Company |
| TEX/CON Oil & Gas Company |
Standard Oil Production Company |
| Texaco Exploration and Production Inc. |
Same (Subsid: Texaco USA, Inc.) |
| Texaco Oils, Inc. |
Texaco USA, Inc. |
| Texaco Producing Inc. |
Texaco Exploration and Production Inc. |
| Texaco TPC Inc. |
Texaco USA, Inc. |
| Texaco USA, Inc. |
Chevron Texaco Corp. |
| Texaco, Inc. |
Texaco USA, Inc. |
| Texaco-Seaboard, Inc. |
Texaco USA, Inc. |
| Texas American Oil Corporation |
Devon Energy Corp. |
| Texas British Oil & Gas Corp. |
Anvil Petroleum Corp. |
| Texas Company, The |
Texaco USA, Inc. |
| Texas Eastern Transmission Company |
Tetco |
| Texas Fuel Company |
Texaco USA, Inc. |
| Texas Gas |
Same |
| Texas Gas Company |
Texaco USA, Inc. |
| Texas Gas Exploration Company |
CSX Oil & Gas Corporation |
| Texas Gas Producing Company |
Reserve Oil, Inc. |
| Texas Gasmark, Inc. |
Delhi Gasmark, Inc. |
| Texas Gulf Oil Company |
Texas Gulf Production Company |
| Texas Gulf Production Company |
Sinclair Oil Corporation |
| Texas International Company |
Phoenix Resources Companies, Inc. |
| Texas Int’l Petroleum Company |
TIPCO, Inc. |
| Texas Land and Mortgage Company |
Andover Oil Company |
| Texas Meridian Resources, Ltd. |
Same |
| Texas National Petroleum |
Union Oil Company |
| Texas Northeast Oil & Gas Company |
Moore McCormack Company |
| Texas Oil & Gas Corporation |
TXO Production Corp. |
| Texas Oils Inc. |
Texaco Producing Inc. |
| Texas Pacific Oil Company |
Sun Expl. & Prod. Company |
| Texas Utilities Companies |
Same |
| Texasgulf |
Elf Aquitaine |
| TexCal Energy, LLC |
Venoco, Inc. |
| Texco Energy Corporation |
Egret Energy Corporation |
| Texneft Inc. |
Ocean Energy, Inc. |
| Texoil, Inc. |
Same (Houston) |
| Texoma |
Apache Corporation |
| Texoma Trust, Ltd. |
Cornell Oil Company |
| Texota |
Same |
| Tex-Star Oil & Gas Corp. |
Texas Oil & Gas Corporation |
| Texstar Petroleum Inc. |
Same (Subsid: Benz Energy Inc.) |
| Textron Investment Management Co. |
Paul Revere Investment Management Corp. |
| TGX Corporation |
Sheridan Energy, Inc. |
| The Oil & Gas Company |
W.P. Nelson & Company |
| The Texas Company |
Texaco USA, Inc. |
| Theomis Energy Company |
Phoenix Energy Company |
| Thermal Exploration, Inc. |
Washington Energy Resources Company |
| Thomas Drilling Company |
Mack Energy Company |
| Thomas, Nelson R. |
Same |
| Thousand Oaks Development Corporation |
Ocean Energy, Inc. |
| Three States |
Delhi-Taylor Oil Company |
| Threefarms |
Same (Affil: The GHK Company) |
| Thunder Creek Gas Services LLC (Wyoming) |
Same (JV: K-N Energy, Inc/Devon Energy Corp.) |
| Tidal Oil Company |
Tidewater Oil Company |
| Tide Water Associated Oil Co. |
Tidewater Oil Company |
| Tide West Oil Company |
HS Resources, Inc. |
| Tidewater Associated Oil Company |
Getty Oil Company |
| Tidewater Oil Company |
Getty Oil Company |
| Tidewater Oil Company |
Tide Water Associated Oil Co. |
| Tierra Petroleum Corp. |
Georgetown Exploration Inc. |
| Tikal Resources Corp. |
Same (New York City) |
| Tikal Resources Inc. |
Tikal Resources Corp. |
| TIPCO, Inc. |
Texas International Company |
| Tipperary Oil & Gas Corp. |
Same |
| Tipperary Petroleum Company |
Tipperary Oil & Gas Corp. |
| Titan Exploration Inc. |
Pure Energy Resources Inc. |
| TNC Media Inc. |
Gothic Energy Corporation |
| TOC Acquisitions Corp |
Same (Subsid: American Exploration Company) |
| TOC Rocky Mountains |
Amoco Production Company |
| Todd, C.H. Inc. |
Same |
| Toga Petroleum Company |
Same |
| TOGO Offshore Inc. |
Same (Affil: Torch Energy Corporation) |
| Toklan Oil and Gas Corporation |
Cobb Oil and Gas Company |
| Toklan Oil Company |
Kirby Petroleum Corp. |
| Tonkowa Gas Processing Company |
Koch Midstream Processing Company (Subsid: Koch Industries, Inc.) |
| Torch Canada |
Same (Affil: Torch Energy Corporation) |
| Torch Energy Advisors Inc. |
Same (Affil: Torch Energy Corporation) |
| Torch Energy Associates |
Same (Affil: Torch Energy Corporation) |
| Torch Energy Corporation |
Same |
| Torch Energy Marketing, Inc. |
Same (Affil: Torch Energy Corporation) |
| Torch Energy Royalty Trust |
Same (Affil: Torch Energy Corporation) |
| Torch Illini Ventures Inc. |
Same (Affil: Torch Energy Corporation) |
| Torch Limited Partnership |
Same (Affil: Torch Energy Corporation) |
| Torch Oil and Gas Company |
Same (Affil: Torch Energy Corporation) |
| Torch Operating Company |
Same (Affil: Torch Energy Corporation) |
| Torchmark Corporation |
Same (Affil: Torch Energy Corporation) |
| Toreador Resources Corporation |
Same (Dallas) |
| Tornado Resources Ltd. |
Same |
| Tosco Corp. |
Phillips Petroleum Company |
| Total Minatome Corporation |
Energen Resources Corporation |
| Total Petroleum (Canada) |
Rigel Energy Corp. |
| Total Petroleum (North America), Ltd. |
Liquidated (See Notes in back) Producing Assets |
| Total Petroleum (North America), Ltd. |
Ultramar Diamond Shamrock Corp. Refining and Marketing Assets |
| Total Petroleum, Inc. |
Same |
| Total Resources Ltd. |
Same |
| Total, SA (Based in France with U.S. Assets) |
Same |
| Towner Petroleum Corp. |
Zilkha Energy Company |
| TPC Corp. |
Same (Subsid: Harken Energy Corp.) |
| TPC&C & Frankfort |
Texas Pacific Oil Company |
| TPEX Exploration, Inc. |
Kestrel Energy, Inc. |
| Trafalgar House Oil and Gas Inc. |
Hardy Oil & Gas USA Inc. |
| Transamerica Development Co. |
Same |
| Transco Energy Company |
Same |
| Transcontinental Energy & Drilling |
TXP Operating |
| Transcontinental Gas Pipe Line Company |
Transco |
| TransGlobe Oil & Gas Corp. |
Same |
| Transierra Exploration Corp. |
Belco Petroleum Corporation |
| Transitory Corp. |
GHK Company, The |
| TransOcean Oil Company |
Mobil Oil Corporation |
| Transocean, Inc. |
Same (Houston) |
| Transok Gas Company |
Transok Gas, LLC Same (Subsid: Enogex Inc.) |
| Transok Gas Processing Company |
Transok Gas Processing, LLC |
| Transok Gas Processing, LLC |
Same (Subsid: Enogex Inc.) |
| Transok Gas, LLC |
Same (Subsid: Enogex Inc.) |
| Transok, Inc. |
Transok, LLC |
| Transok, LLC |
Same (Subsid Enogex Inc.) |
| Trans-Texas Investments Inc. |
United Trans-Western, Inc. |
| Trans-Western Exploration, Inc. |
United Trans-Western, Inc. |
| Travellers, The (Ins. Co) |
The Prospect Company (O&G int.) |
| Trend Exploration Company |
Trend Exploration I, LLC |
| Trend Exploration I, LLC |
Same |
| Trendwell Energy Corporation |
Same |
| Trendwell Oil Corporation |
Trendwell Energy Corporation |
| Trexco Resources, Inc. |
Balcron Oil Company |
| Triana Energy Holdings LLC |
Same |
| Tribune Oil |
Sabine Production Company |
| Trice Production Company |
Diamond Shamrock Exploration Co |
| Trice Properties |
Diamond Shamrock Exploration Co |
| Trident Acquisition Corp. |
Warren Intrastate Gas Supply, Inc. |
| Trident Gas Marketing, Inc. |
Warren Gas Marketing, Inc. |
| Trident NGL Pipeline Company |
Warren NGL Pipeline Company |
| Trident NGL, Inc. |
Warren NGL, Inc. |
| TriDimension Energy LLC |
Same (Dallas) |
| Trinidad Oil |
Texaco USA, Inc. |
| Trinity Energy Resources, Inc. |
Same (Houston) |
| Trinity Gas Corp. |
Trinity Energy Resources, Inc. |
| Trinity Oil & Gas |
Questa Oil & Gas, Inc. |
| Tri-Quest Energy Corp. |
Same (Subsid: Corker Resources Inc.) |
| Tri-Quest Energy Ltd. |
Tri-Quest Energy Corp. |
| TriSearch Inc. |
National Energy Group, Inc. |
| Tri-Service Drilling Company |
Midland Southwest Corporation |
| Triton Oil & Gas Corp. |
Same |
| Triton Oil & Gas Corp. of Delaware |
Worldwide Energy Corporation |
| Triton Producing Company |
Same |
| Tri-Valley Corporation |
Same |
| Tronz-Om US and Canada, Ltd. |
Blessure Hydrocarbons Corp. |
| Trousil and Associates Inc. |
Same |
| Trustee Holding Corporation |
Same (Affil: The GHK Company) |
| TS, Inc. |
Home Petroleum Corporation |
| Tsrebol Oil Company |
Rodman-Noel |
| Tucker Drilling Company |
Patterson Energy, Inc. |
| Turbo Resources, Ltd. |
Canadian Turbo, Inc. |
| Turnan Oil Company |
Mid-States Oil Corporation |
| Tutamian Production Corporation |
Same |
| Tuthill & Barbee |
Hugoton Energy Corp. |
| Twelve Oil and Gas Corp. |
Twelve Resources, Inc. |
| Twelve Operations Company |
Twelve Oil and Gas Corp. |
| Twelve Operations Company |
Twelve Oil of Arkansas, Inc. |
| Twelve Resources, Inc. |
Same |
| Twelve Saddles Land and Cattle Company |
Twelve Operations Company |
| Twin Eagle Petroleum Corp. |
Petromark Resources Company |
| Twin Oil Company |
Atlantic Richfield Company |
| Twin Richfield Oils Ltd. |
Glencoe Resources Ltd. |
| TXCO Resources Inc. |
Same (San Antonio) |
| TXL Oil Corp. |
Texaco USA, Inc. |
| TXO Gas Marketing, Inc. |
Delhi Gas Marketing, Inc. |
| TXO Gas Ventures, Inc. |
Delhi Gas Ventures, Inc. |
| TXO Production Corp. |
Marathon Oil Company |
| TXOK Acquisition Inc. |
Same (Subsid: Exco Resources Inc.) |
| TXP Operating |
Same |
| U |
| U.S. Energy Corp. |
Same |
| U.S. Minerals Exploration |
Same |
| U.S. Oil |
Mecom Oil |
| U.S. Smelting Production Co. |
U.V. Industries |
| U.S. Steel Corp. |
Marathon Petroleum Company |
| U.V. Industries |
Tenneco Oil Company |
| Ultramar Corporation |
Ultramar Diamond Shamrock Corp. |
| Ultramar Diamond Shamrock Corp. |
Valero Energy Corporation |
| Ultramar, Inc. |
Ultramar Diamond Shamrock Corp. |
| UMC Petroleum Corporation |
Ocean Energy Resources, Inc. |
| UMC Petroleum Resources Corporation |
UMC Petroleum Corporation |
| Unetech International Corp. |
Same (Subsid: CanArgo Energy Corp) |
| Unibar Energy Services Inc. |
Same |
| Unical |
Union Oil Co. of California |
| Unicon Producing Company |
Meridian Oil Production Company |
| Unified Oil Company |
Allied Chemical Corporation |
| Unioil |
Same (Subsid: Petroleum Development Corp) |
| Uniol Energy Corporation |
Gallent Oil Company |
| Union Cal Inc. |
Union Oil Co. of California |
| Union Light, Heat and Power Inc. (KY) |
Duke Energy Corp. |
| Union O & G of Louisiana |
Union Texas Petroleum Corp. |
| Union of Louisiana |
Union Texas Petroleum Corp. |
| Union of Texas |
Union Texas Petroleum Corp. |
| Union of Texas Petroleum |
Union Texas Petroleum Corp. |
| Union Oil Co. of California |
Chevron Texaco Corp.B2903 |
| Union Oil Co. of California |
Unocal Corporation |
| Union Oil Explorations Ltd. |
Same (Affil: Torch Energy Corporation) |
| Union Oil of California |
Union Oil Co. of California |
| Union Pacific Resources Company |
Same (Subsid: Union Pacific Resources Group Inc.) |
| Union Pacific Resources Group Inc. |
Same (Subsid: Anadarko Petroleum Corp.) |
| Union Petroleum of Texas |
Union Texas Petroleum Corp. |
| Union Producing Company |
Penzoil Company |
| Union S & O |
Union Texas Petroleum Corp. |
| Union Texas International Corp. |
Same |
| Union Texas Natural Gas Corp. |
Union Texas Petroleum Corp. |
| Union Texas Petroleum Corp. |
Union Texas International Corp. |
| Union Texas Petroleum Corp.(US Onshore) |
Meridian Oil Inc. |
| Unit Corporation |
Same |
| Unita Gas & Oil, Inc. |
Coconino SMA, Inc. |
| United American Life Ins. (O&G) Assets |
Same (Affil: Torch Energy Corporation) |
| United Carbon Company |
United Carbon Producing Co., Inc. |
| United Carbon Producing Co., Inc. |
Ashland Oil & Refining Company |
| United Energy Resources, Inc. |
Midcon |
| United Gas, Inc. |
Pennzoil Company |
| United Investors Management Co. |
Same (Affil: Torch Energy Corporation) |
| United Meridian Corp. |
Ocean Energy, Inc. |
| United Petroleum Corporation (Knoxville, TN) |
Same |
| United Producing Company |
Same |
| United States Borax & Chemical Corp. |
Same |
| United States Exploration, Inc. |
Noble Energy Inc. |
| United Trans-Western, Inc. |
Same |
| Universal Consolidated |
Chevron USA, Inc. |
| Universal Resources Corporation |
Questar Exploration and Production Company |
| UNOCAL Corporation |
Chevron Corporation |
| UNOCAL Corporation (San Juan and Permian Assets) |
Pure Energy Resources, Inc. (New entity 2001) |
| USM Oil Company |
Olix Industries, Inc. |
| Utah International, Inc. |
Ladd Petroleum Corp. |
| Utah Oil Company |
Amoco Production Company |
| Utah Oil Refining Company |
Amoco Production Company |
| V |
| VAL Energy, Inc. |
Same |
| Valero Energy Corporation |
Same (San Antonio) |
| Vantage Point Energy, Inc. |
ConVest Energy Corp. |
| Vantas Energy Corp. |
Same (Subsid: PG&E) |
| Varco International, Inc. |
National-Oilwell Varco, Inc. |
| Varn Oil Company |
Same |
| Vastar Resources, Inc. |
BP Amoco Inc. |
| Vaughn Management, Inc. |
Same |
| Vaughn Petroleum, Inc. |
Vaughn Management, Inc. |
| Velasco Gas Company, LP |
Same (Affil: Torch Energy Corporation) |
| Velvet Exploration, Ltd. (Calgary) |
El Paso Oil & Gas Canada Acquisition Corp. |
| Venoco, Inc. |
Same (Denver) |
| Ventura Energy, Inc. |
Same |
| Venucot Resources, Inc. |
Diverse Energy Investment, Inc. |
| Venus Exploration Inc. |
PYR Energy Corp. |
| Venus Oil Company |
Same |
| Vesta Energy Company |
Edisto Resources Corp. |
| Vickers Petroleum Company, Inc. |
Vickers Refining Company, Inc. |
| Vickers Refining Company, Inc. |
Total Petroleum, Inc. |
| Victory Oil & Gas Company |
P.P. M. Investments (USA), Inc. |
| Viersen & Cochran |
Same |
| Viersen & Sant |
Same (Affil: Viersen & Cochran) |
| Viersen Land & Royalty Co. |
Same (Affil: Viersen & Cochran) |
| Viersen Oil & Gas Co. |
Same (Affil: Viersen & Cochran) |
| Viking Oil Ltd. |
Sun Company, Inc. |
| Viking Petroleum Reserves, Inc. |
Same |
| Viking Petroleum, Inc. |
Viking Petroleum Reserves, Inc. |
| Villines-Gibson Oil and Gas |
Courtaulds North America Inc. |
| Vintage Petroleum Inc. |
Same (Subsid: Occidental Petroleum Corp.) |
| Vision Energy Inc. |
Same (Affil: Seitel Inc.) |
| Vista Energy Resources Inc. (Midland) |
Prize Energy Corp. |
| Volunteer Energy, LLC (Tulsa) |
First Energy Corp. |
| Volvo Petroleum |
Same |
| Voyager Energy Inc. |
Poco Petroleum Ltd. |
| Voyager Petroleum |
Nu-West Development |
| VP Oil Inc. |
National Energy Group Inc. |
| Vulcan Minerals & Energy Inc. |
Same (Subsid: Regent Group – Houston) |
| Vysis, Inc. |
Amoco Production Company |
| W |
| W & T Offshore, Inc. |
Same (Houston) (Affil: Kerr-McGee Corp.) |
| Wacker Oil Inc. |
Seagull Energy Corp. |
| Wagner Oil Company |
Same (Ft. Worth) |
| Wahlenwier Oil Company |
Tenneco Oil Company |
| Wainoco Oil Corp. |
Same |
| Walker Energy Partners, MLP |
Texas Meridian Resources, Ltd. |
| Waller County Minerals Company |
Ocean Energy, Inc. |
| Ward Petroleum Corp. |
Same (Enid, OK) |
| Warren American Oil Company (Tulsa) |
Same (Subsid: NGC Corporation) |
| Warren Arkansas Gathering, Inc. (Houston) |
Same (Subsid: NGC Corporation) |
| Warren Energy Resources, Ltd. Pts (Houston) |
Same (Subsid: NGC Corporation) |
| Warren Energy, Inc. (Houston) |
Same (Subsid: NGC Corporation) |
| Warren Gas Liquids, Inc. (Houston) |
Same (Subsid: NGC Corporation) |
| Warren Gas Marketing, Inc. (Houston) |
Same (Subsid: NGC Corporation) |
| Warren Intrastate Gas Supply, Inc. |
Same (Subsid: NGC Corporation) |
| Warren NGL, Inc. (Houston) |
Same |
| Warren NGL, Pipeline Co. (Houston) |
Same |
| Warren Petroleum Company |
Sipco, Inc. |
| Warren-Bradshaw |
Chevron USA, Inc. |
| Warrior Energy Services Corporation |
Superior Energy Services, Inc. |
| Washington Energy Resources Company |
Cabot Oil & Gas Corporation |
| Washita Oil & Gas, LLC |
Same |
| Washita Production Company |
ONEOK Resources Company |
| Waterford Energy, Inc. |
Kaiser-Francis Oil Company |
| Watson Geophysics, Inc. |
MCOR Oil Development, Inc. |
| Watson Oil Corporation |
MCOR Oil Development, Inc. |
| Watson Oil Petroleums Exploration, Inc. |
MCOR Oil Development, Inc. |
| Watson Petroleums Exploration, Inc. |
Ocean Energy, Inc. |
| WCX Corporation |
Mesa, Inc. |
| Webb Resources |
Standard Oil Production Company |
| WEC Acquisition Corp. |
Whittier Energy Corp. |
| Weco Development Corporation |
Worldwide Energy Corporation |
| Welchem, Inc. |
Amoco Production Company |
| Wellington Oil Company |
Texaco USA, Inc. |
| Wessely Energy Co. |
NGC Energy Co. |
| West America Corp. |
Same |
| Westates Petroleum |
Hamilton Dome |
| Westates Petroleum |
Santa Fe Industries |
| Westbrook Energy Corp. |
Manhattan Resources Corp. |
| Westcoast Energy, Inc. |
New World Development Co., Ltd. |
| Westcoast Petroleum Ltd. |
Numac Oil & Gas Ltd. |
| Western Crude Oil, Inc. |
Reserve Oil and Gas Company |
| Western Decalta |
Loram International |
| Western Dev. Co. of Del. |
International Oil & Gas Corp. |
| Western Energy Development Company |
Oxford Consolidated, Inc. |
| Western Energy Resources Inc. |
OMNI Power Inc. |
| Western Gas Processors, Ltd. |
Same |
| Western Gulf Oil Company |
Chevron USA, Inc. |
| Western Natural |
El Paso Products Company |
| Western Natural Gas |
Atlantic Richfield Company |
| Western Oil Fields, Inc. |
Same |
| Western Oil Sands, Inc. |
Marathon Oil Corporation |
| Western Petroleum Assoc. |
Same |
| Western Production Company |
Black Hills Exploration and Production, Inc. |
| Westport Oil & Gas Inc. |
Belco Oil & Gas Corp. |
| Westport Resources Corp. (Denver) |
Kerr-McGee Corp. |
| WGP, Inc. |
Same (Subsid: Western Gas Processors, Ltd.) |
| Whaley Company |
Kewanee Oil Company |
| Wheless Drilling Company |
Same |
| White Eagle International Oil Company |
White Eagle International, Inc. |
| White Eagle International, Inc. |
Helmerich & Payne, Inc. |
| White Shield Oil Company |
Helmerich & Payne, Inc. |
| Whiting Petroleum Corp. |
Same (Subsid: IES Industries, Inc. – Denver) |
| Whittier Energy Company |
Whittier Energy Corp. |
| Whittier Energy Corp. (Houston) |
Sterling Energy, Inc. (Houston) |
| Wilco Properties, Inc. |
Same |
| Wilcox Corporation |
Tennco Oil Company |
| Wilcox Oil Company |
Tennco Oil Company |
| Wilcox Oil Corporation |
Tennco Oil Company |
| Willard Pease Oil & Gas Co. |
Pease Oil and Gas Company |
| Williams Companies, The |
Same |
| Williams Energy Partners L.P. |
Same (Affil: Williams Companies, Inc.) |
| Williams, L.G., Oil Co., Inc. |
Matrix Energy, Inc. |
| Williamson, J.C. |
Tenneco Oil Company |
| Willimax |
Shell Oil Company |
| Wilshire |
B-L Associates |
| Wilshire Oil of California |
Chevron USA, Inc. |
| Windfohr Oil Company |
Burnett Oil Company |
| Windor Energy Group, LLC |
Same (Affil: Gulfport Energy Inc. |
| Windsor Petroleum |
Southwestern Production Corp. |
| Wintershall Energy Inc. |
Same |
| Wintershall Oil & Gas Company |
American Petrofina, Inc. |
| Wiser Oil Company (Dallas) |
Forest Oil Corporation |
| WO Exploration Inc. |
Ocean Energy, Inc. |
| WO Offshore Inc. |
Ocean Energy, Inc. |
| WOC Acquisition Company |
Same |
| Wolfson Oil Company |
Sipco, Inc. |
| Wolverine Exploration Company |
Amerac Energy Corporation |
| Womad Oil Company |
Quebec Affiliates (North America), Ltd. |
| Wood River Oil & Refinery |
Rock Island Oil & Refining Company, Inc. |
| Woodbine Petroleum, Inc. |
Same (Subsid: Nycal Corp.) |
| Woodley Petroleum |
Pure Oil Company |
| Woods Petroleum Corp. |
Sonat Exploration Co. |
| Woodside Petroleum, Ltd. |
Same (Australian Co. with US Assets) |
| Woodson Oil Company |
Texas Pacific Oil Company |
| World Fuel Services Corp. |
Same |
| Worldwide Energy Corporation |
Triton Oil & Gas Corp. |
| Wrather, J.D., Jr. |
Same |
| Wrightsman, C.J. |
Moncrief, W.A. |
| WRT Energy, Inc. |
Same (Affil: DLB Oil & Gas, Inc.) |
| WW Oil & Gas Inc. |
Paco Integrated Energy, Inc. |
| Wynn-Crosby 1994, Ltd. |
Wynn-Crosby Energy, Inc. |
| Wynn-Crosby Energy, Inc. |
Petrohawk Operating Company |
| Wyoming Montana & Indiana Petroleum |
Western Petroleum |
| XCL |
See Exploration Company of Louisiana |
| XCL, Ltd. |
Same |
| XOM |
Same (Subsid: ExxonMobil Corp.) |
| Xplor Corp. |
Venus Exploration Inc. |
| Xplor Energy Inc. (Houston) |
Harken Energy Corporation |
| XTO Energy Inc. |
ExxonMobil Corp. |
| XYZ |
| Yankee Production Corporation |
Alfonso Production Company |
| Yankee Resources, Inc. |
Access Energy Corp. |
| Yates Petroleum Corp. |
Same (Artesia, NM) |
| YNB Oil and Gas Inc. |
Caravelle Petroleum, Inc. |
| York & Harper |
Tenneco Oil Company |
| Young, Marshall R. |
Young, Marshall R. Drilling Company |
| Yount-Lee Oil Company |
Amoco Production Company |
| Yukon Trading Company, LLC |
Same (Affil: JMA Energy Company, LLC) |
| Zapata & Statco |
Pennzoil Company |
| Zapata Corp. |
Norex Drilling, Inc. |
| ZBX, Inc. |
Matlin Petroleum Corporation |
| ZCA Gas Gathering, Inc. |
United States Exploration, Inc. |
| Zenergy Inc. |
Same (Tulsa) |
| Zenergy Operating Company LLC |
Same (Subsid: Zenergy Inc.) |
| ZG Energy Corporation |
Vantage Point Energy, Inc. |
| Zilkha Energy Company |
Sonat, Inc. |
| Zoller & Danneberg, Inc. |
Premier Resources, Ltd. |
| Zuma New-Mexico Oil Corporation |
Jackalope-New-Mexico Oil Co. |
