Lower Case—Past Contact UPPER CASE—CURRENT

Transcription

Lower Case—Past Contact
UPPER CASE—CURRENT CONTACT
1400 Corporation
AMERICAN EXPLORATION COMPANY
3 TEC Energy Corp
PLAINS E & P CO.
3300 Corporation
3 TECH Energy Corp
PXP GULF COAST, INC.
44 Canyon, LLC
CHEVRON MIDCONTINENT, LP
4700 Corp
500 Corporation 1987
820 Management Trust
820 MT O&G TX (WY)(LA)(MULTI-STATE)
A & J Oil Co.
NELSON R THOMAS
A & K Petroleum 1957
KERR-MCGEE CORP
A & K Petroleum 1957
DEVON ENERGY
A.E. Acquistion Corp.
see Dominion Exploration & Production
AA Development Corp. 1984
AA ENERGY CORP (AMR ENERGY
Abaca Oil Co. 1963*
Abbeville Operating Corp.
D.C. BINTLIFF
ABCO Energy Corp. 1983
TEJAS OIL & GAS CO
ABEL & BANCROFT
Aberdeen Petroleum 1975
DEVON ENERGY
Aberdeen Petroleum Corp. 1976
DEVON ENERGY
Abney Oil Co. 1980
P. & O. FALCO, INC
ABARTA Oil & Gas Co
TALISMAN ENERGY USA INC
ABTEC Chemical Company 1980
TOTAL E&P USA INC
Acadia Petroleum Corp.
FOUNTAIN OIL & GAS, INC.
Access Energy Corp
YAHKEE GAS CO.
Acrol Oil Co. 1966
JAMES DONOGHUE
Ada Oil Corporation 1983*
TOTAL E&P USA INC
ADA Resources 1979
ADAMS RESOURCES & ENERGY, INC.
Adams Resources Exploration Corp.
Addington Brothers Mining Co. 1976
ASHLAND OIL INC.
Adena Exploration Inc.
WASHITA PRODUCTION CO.
Adobe Gas Cos.
APACHE CORP
Adobe Gas Pipeline
APACHE CORP
Adobe Oil & Gas Corp. 1985
DEVON ENERGY
Adobe Oil Co. 1977
DEVON ENERGY
Adobe Resources Corp.
DEVON ENERGY
Adobe Royalty, Inc.
DEVON ENERGY
ADVANTAGE OIL & GAS, LTD.
AEC (Alberta Energy Co., Ltd)
ENCANA CORP.
AEC Gas Company
AEC Gathering Services (USA), Inc.
ENCANA GATHERING SERVICES (USA)
6
AEC Gulf of Mexico, Inc.
ENCANA GULF OF MEXICO, INC.
AEC International (USA) Inc.
ENCANA INTERNATIONAL (USA) INC.
AEC Marketing (USA) Inc.
ENCANA MARKETING (USA) INC.
AEC Oil & Gas (USA) Inc.
ENCANA OIL & GAS (USA) INC.
AEC Oil & Gas Co. Partnership
ENCANA OIL & GAS PARTNERSHIP
AEC Oil & Gas Co., Ltd.
ENCANA OIL & GAS CO. LTD
AEC Pipelines (USA) Inc.
ENCANA PIPELINES (USA) INC
AEC Pipelines, Ltd
ENCANA PIPELINES, LTD
AEC Storage & Hub Services, Inc.
ENCANA GAS STORAGE INC.
AEC West Ltd.
ENCANA WEST LTD
AERA ENERGY, LLC
Aetna Oil Co. 1950
STATOIL ENERGY INC
Agate Petroleum Inc.
ST. MARY LAND & EXLORATION CO.
AGM Incorporated
MAXUS EXPLORATION
AGS INVESTMENTS LLC
managed by AVIVA
AGS LIMITED PARTNERSHIP
managed by AVIVA
Aikman Brothers, TX Partnership
Aikman Brothers, LLC
Aikman Petroleum, Inc 1983 *
ENERTEC CORP.
Air Pilot Oil
HESS COMPANIES
AJA Resources
ADAMS RESOURCES & ENERGY
Alamco, Inc.
CHESAPEAKE ENERGY CORP.
Alameda Energy, Inc.
SLAWSON EXPLORATION COMPANY,
Alamo Oil & Gas, Ltd.
GLOBAL NATURAL RESOURCES CORP.
Alamo Petroleum
FARMLAND INDUSTRIES, INC.
Alamo Petroleum Co.
ANADARKO E&P COMPANY, LP
Alaska Interstate Co. 1982
UNIMAR CORP.
Alberta Energy Co., Ltd. (AEC, Ltd.)
ENCANA CORP.
Alco Oil & Gas 1969
Alcorn Oil Co 1929
CONOCOPHILLIPS
Alder Oil Co. 1946
NEWMONT OIL CO.
Alene Oil Co. 1989
TENKAY RESOURCES, INC.
Alexander Energy Corp.
SANDRIDGE ENERGY, INC.
Allegheny Land & Mineral 1983
ALAMCO INC.
Allegro Petroleum, Inc.
NORTHSTAR RESOURCES, INC.
Allen Oil Co.
ALLIANCE PETROLEUM CORP.
Allied Ashland
STATOIL ENERGY INC
Allied Chemical
CONOCOPHILLIPS
Allied Chemical Corp
CONOCOPHILLIPS
Allied Oil Co.
ASHLAND OIL INC.
Allied Oil Co. 1948
ASHLAND OIL & REFINING CO.
7
Alma Oil Co. 1915
Shell Oil Co.
Alminex LTD
CANADIAN SUPERIOR
Alpar Resources
PLAINS EXPLORATION & PRODUCTION
Alpar Resources Inc. 1981
Alta Energy Corp.
DEVON ENERGY CORP.
Alta Natural Resources, LLC
SILVER CREEK RESOURCES, LLC
Altair Oil & Gas Co. 1964
PIONEER NATURAL RESOURCES USA,
Altura Energy
OCCIDENTAL PERMIAN, LP
Amalgamated Bonanza Petro 1979
CHEVRON CORP
Amarex, Inc.
CALPINE NATURAL GAS, LP
Amarex, Inc. 1985
TGX CORP. (Templeton Energy)
Amarillo Minerals, Inc. 1970
PIONEER NUCLEAR, INC.
Amarillo Oil Co.
Amarillo Oil Co. 1986
Amax Oil & Gas, Inc.
ANADARKO E & P CO.
Amax Petroleum Corp.
ANADARKO E & P CO.
Ambassador Oil Corp. 1965
ANADARKO PETROLEUM CORPORA-
AMBRIT ENERGY CORP.
Amcan Oil Corp 1970
CONOCOPHILLIPS
Amcan Oil Corp. 1952
LARIO OIL & GAS CO.
Amcog Acquisition Corp.
Amdel Inc. 1977
TOTAL E&P USA INC
Amerac Energy Corp.
UNIT CORP.
Amerada Hess Corp.
HESS CORPORATION
Amerada Petroleum Corp. 1969
HESS CORPORATION
American Agricultural Chemical
CONOCOPHILLIPS
American Cometra Inc.
RANGE RESOURCES INC.
American Corporate Resources, Inc.
CONOCOPHILLIPS
AMERICAN ENERGY EXPLORATION
American Exploration Acquisition Co.
American Exploration Acquisition - VI Corp.
American Exploration Co. (Houston)
American Exploration Gas Systems Corp.
American Exploration Operating Co.
American Exploration Production Co.
American Independent Oil Co. 1970
CONOCOPHILLIPS
American Liberty Oil Co.
TOTAL E&P USA INC
American Liberty Oil Co. 1957
TOTAL E&P USA INC
American Maracaibo
FELMONT OIL CORP.
American Maracaibo Co. 1958
FELMONT OIL CORP.
American Metal Co. (LTD)
ANADARKO E & P CO.
8
American Monertra, Inc.
AVENEG, INC
American National Petroleum Company
PATRICK PETROLEUM CO.
American Nat'l Gas Production
American Natural Energy Corp.
American Natural Gas Production Co.
EL PASO E&P COMPANY, LP
American Net Profits Partnership - VII Ltd.
American Oil Co 1961
BP AMERICA
American Oil Co. of Texas 1952
EXXON MOBIL CORP.
American Pacific International 1979
PETRO LEWIS CORP.
American Pacific, Int'l (API)
HESS CORPORATION
American Petrofina Co. of Texas 1985
TOTAL E&P USA INC
American Petrofina Expl. Co. 1994
TOTAL E&P USA INC
American Petrofina Foundation 1990
TOTAL E&P USA INC
American Petrofina Marketing Inc. 1985
TOTAL E&P USA INC
American Petrofina Pipeline Company
ALON USA LP
American Petrofina, Inc. 1991
TOTAL E&P USA INC
American Petroleum
HESS CORPORATION
American Producing Properties Co.
American Production Partnership LTD II, etc
American Quasar Petroleum Co. 1987
UNIT CORP. CO.
American Republic Corp. 1954
BP AMERICA
American Reserve Corporation
AMERICAN RESOURCES INC.
American Royalty Trust 1987
FREEPORT-MCMORAN ENERGY PTNRS
Ameriplor Corp.
Ameritrus Petroleum Corporation
JP MORGAN CHASE & CO
Ameritrust Texas, N.A.
JP MORGAN CHASE & CO
Amerox Acquisition Corp.
Amex 1980, Ltd.
Amex 1981, Ltd.
Amex 1982, Ltd.
Amex 1983, Ltd.
Amex Oil Company
Amex Production Partnership Ltd.
Amherst Coal Co. 1981
MAXUS ENERGY CO.
Aminoil Dev. Inc.
BURMAH OIL & GAS CO.
Aminoil USA Inc. 1984
CONOCOPHILLIPS
Amkam Acquistion Corp.
Amoco Canada Petro Co. Ltd.
BP CANADA
Amoco Corp.
BP AMERICA
Amoco Production Co.
MIDWEST OIL CORP & PANAM PET
9
Amoco Production Co.
BP AMERICA
AMPCO Corporation 1977
TOTAL E&P USA INC
Ampeco 1976-1 Ltd.
BROCK EXPLORATION CORPORATION
Ampeco 1980-1 Ltd.
Amquest Corp. 1985
Amtane, Inc.
BURMAH LP GAS INC.
Amtexas (Natural Gasoline)
WARREN AMERICAN OIL CO.
ANADARKO PETROLEUM CORPORATION
Anadarko Production Corp. 1985
Anchor Exploration Co.
KERR-MCGEE CORP
Anchor Oil & Gas Co. 1917
CONOCOPHILLIPS
Ancon Partnership, Ltd.
ANDERMAN OPERATING CO., INC.
Anderman/Smith Operating Co.
ST. MARY LAND & EXLORATION CO.
Anderson & Kerr
KERR-MCGEE CORP
Anderson Exploration, Ltd (Canada)
DEVON ENERGY CORP.
Anderson Oil Co.
CHESAPEAKE ORC, LLC
Anderson Summit Inc. 1986
DERRICK PETROLEUM INC.
Anderson-Prichard
BURLINGTON RESOURCES
Andover Oil Co. 1982
SANTA FE MINERALS, INC.
Anderson Oil & Gas, Inc
ANDERSON FEAZEL MANAGEMENT,
ANDREW OIL AND GA PARTNERSHIP
Andrew Oil and Gas Royalties, Inc.
ANDREW OIL AND GAS PARTNERSHIP
Andrews Petroleum Corp. 1924
FOREST OIL CORP.
ANDREWS PRODUCTION CO.
Anglo Energy Ltd. 1983
ROSEWOOD RESOURCES INC.
ANM Services Corp.
Annie R. Bass Grandson's Trust fbo Sid
ARBGT (SRB) O&G TX (WY)(LA)(MULTI-
Annie R. Bass Grandson's Trust fbo Lee
ARBGT (LMB) O&G TX (WY)(LA)(MULTI-
Annie R. Bass Grandson's Trust fbo Rob
ARBGT (RMB) O&G TX (WY)(LA)(MULTI-
ANR Production Co. 1985
Anschutz Oil Co. Inc. 1970
ANSCHUTZ CORP., INC.
Anson Corporation
CHESAPEAKE EXPLORATION LLC
Anson Production Corporation
Antares Oil 1986
OXFORD CONSOLIDATED, INC.
Antero Resources I, LP
XTO ENERGY INC.
Antioch Gathering Company 1992
Antioch Texas Gathering Co. 1992
ANVIL PETROLEUM CORP.
AOL Holdings, Inc.
CHESAPEAKE ORC, LLC
10
APACHE CORP.
Apache Corporation 1985
DAVIS OIL CO. (DAVIS PETRO CORP.)
Apache Oil & Gas Corp.
DOW CHEMICAL
APCOT_FINADEL Joint Venture 1986
TOTAL E&P USA INC
APD Company 1989
APACHE CORP
APEX OIL CO.
Appalachian Expl. Inc.
GREAT LAKES ENERGY PTRS, LLC
APX Corporation 1992
APX Western Corporation 1992
Aquilla Energy Resources
BLACK HILLS ENERGY
Arch Mineral Corp. 1969
ASHLAND OIL INC.
Arch Oil & Gas Company 1993
WAGNER & BROWN, LTD.
Arch Petroleum, Inc.
ARCO Oil & Gas Co.
BP AMERICA
Arco Permian Basin
BP AMERICA
Ardmore Oil Co. 1917
EXXON CORPORATION
Argent Energy, Inc. 1990
Argo Oil Corp. 1961
BP AMERICA
Argo Petroleum 1987 *
NATIONAL FUEL GAS CO.
Argonaut Energy Corporation
Argus Production Co.
HESS CORPORATION
Arkansas Fuel Oil Corp.
OCCIDENTAL OIL & GAS CORPORATION
Arkla Exploration 1993
DEVON ENERGY
Arkla Inc.
CENTERPOINT ENERGY, INC.
Arkoma Holding LLC
XTO ENERGY INC.
Arkoma Pittsburg Holding Corporation
Arkoma Production Co. 1994
DEVON ENERGY
Arrowhead 1969
APACHE CORP.
Arrowhead Energy Corp.
RELIANCE ENTERPRISES, INC.
ARROWSTONE PETROLEUM CORP.
ARS CONTROL ACCOUNT LP
managed by AVIVA
Artex Exploration Company
DEVON ENERGY
Asamera, Inc. 1988
GULF CANADA RESOURCES LTD.
ASCA LTD.
managed by AVIVA
Ashland Exploration Company
ASHLAND OIL, INC.
Ashland Oil & Refining Co.
ASHLAND OIL, INC.
ASHLAND OIL INC.
Ashland Oil, Inc. 1979 *
Associated Natural Gas Corp.
DUKE ENERGY FIELD SERVICES
Aswell Inc. 1970
TOTAL E&P USA INC
Atapaz Petroleum, Inc. 1979
WAINOCO OIL CORP.
11
Atlantic Refining Co. 1966
BP AMERICA
Atlantic Richfield Co.
BP AMERICA
Atlas Corporation 1958
TOTAL E&P USA INC
Auora Gasoline Co. 1959
MARATHON OIL COMPANY
Aus-Tex Oil & Royalty Corp. 1975
HOUSTON OIL & ENERGY, INC.
Austral Oil Co. 1978 *
EXXON MOBIL CORP.
Austral Oil Co., Inc. 1982
Avance Oil & Gas Co.
Avanti
CHESAPEAKE
AVEN GAS & OIL, INC.
Aviara Energy Corporation
XTO ENERGY INC.
AVIVA, INC.
AX Acquisition Corp.
Axcon Corp.
Axem Energy Co.
KERR-MCGEE CORP
Axem Resources Incorporated
KERR-MCGEE CORP
Axem-Blackbird LLC
KERR-MCGEE CORP
Axem-Bluebell LLC
KERR-MCGEE CORP
Axem-JCEC LLC
KERR-MCGEE CORP
Axem-Production LLC
KERR-MCGEE CORP
Axroyalty, Inc.
KERR-MCGEE CORP
AZL Resources 1983
TOSCO CORP.
Aztec Energy Corp. 1984
WICHITA RIVER OIL CO.
Aztec Oil and Gas Co. 1976
CONOCOPHILLIPS
Aztec Resources Corp. 1985
WEPCO ENERGY CO.
B & A Pipe Line Company 1941, The
Henderson Clay Products, Inc.
B & B Drilling 1965
EXXON MOBIL CORP.
B & N Petroleum, Inc. 1988
B.E. Oil and Gas Company
BALBOA EXPLORATION CO.
Balco Energy
PLAINS RESOURCES, INC.
Baldridge & King
Ballard & Cordell
Bankline Oil Co. 1959
CONOCOPHILLIPS
Barber Oil Exploration Corp. 1981
Barber Oil Reserves 1965
BP AMERICA
Barfield Oil Corp. 1989
EVERGREEN OPERATING CORP.
Bargo Energy Corp.
PETROHAWK PROPERTIES, LP
Barnsdall Oil Co. 1949
SUNOCO PARTNERS MKTG & TERM-
Barnett Resources Corp
WILLIAMS PRODUCTION RMT. CO.
Baron Minerals LP
LINN ENERGY HOLDINGS LLC
12
Baron Minerals Management LLC
Barron Surface Estates LLC
BARTELL EXPLORATION
Baruch-Foster Corp.
APACHE CORP.
Basics Oil & Gas Inc.
LONGVIEW ENERGY COMPANY
Basin Oil Company
THE WISER OIL CO.
Basin Petroleum Corp. 1980
CHEVRON CORP
Bass Enterprises Production Company
BEPCO, L.P.
BASS PARTNERSHIP
Bates Oil Corp.
LASMO ENERGY CORP.
Bay Petroleum 1955
see Tenneco Inc
Bayard Drilling Technologies, Inc.
NABORS DRILLING USA, LP
Bayard Drilling, LLC
Bayou Resources, Inc. 1987
NEWFIELD EXPLORATION MID-
Bayou Resources, Inc. 1987
UNIT PETROLEUM CORP. (50%)
Bayview Petroleum
EXXON MOBIL CORP.
BBX Oil Corporation
GLADSTONE ROYALTIES LLC
Beacon Exploration Co.
TOKLAN OIL AND GAS CORPORATION
Beacon Oil Co. 1981
ENERGY SOURCES INC.
Bear State Oil Co. 1928
MARATHON PETROLEUM CO.
Beard & Hammond
JGM COMPANY
Beard Oil Co. 1988
Beard Oil Company
SENSOR OIL & GAS, INC.
Beardmore Oil Inc. 1973
CONOCOPHILLIPS
Beau Coup Oil & Gas Corp. 1986
GREAT RIVER OIL & GAS CORP.
Belcher Oil Co. 1977
Belco Development Co 1983
EOG RESOURCES, INC.
Belco Energy Corp. 2001
KERR-MCGEE OIL & GAS ONSHORE, LP
Belco Energy I, LP
Belco Oil & Gas 1983
EOG RESOURCES, INC.
Belco Oil & Gas 2001 (different company)
Belco Petroleum Co. 1983
EOG RESOURCES, INC.
Belco Petroleum North America, Inc.
EOG RESOURCES, INC.
Belco Wyoming Corporation
EOG RESOURCES, INC.
BELCOR, INC.
BELDEN & BLAKE ENERGY CO.
Bell Petroleum Co. 1975 *
PACIFIC ENTERPRISES OIL CO. (USA)
Bellwether Exporation Co.
BelNorth Energy Corporation
EOG RESOURCES, INC.
BelNorth Petroleum Co. 1986
EOG RESOURCES, INC.
Belridge Oil Co. 1979
Shell Oil Co.
13
Benedum-Trees Oil Co. 1982
KERR-MCGEE CORP.
BeneTex 88, Ltd.
KERRCO INC.
BeneTex Oil and Gas Ltd.
KERRCO INC.
BENGAL OIL & GAS
Benjamin F. Hackett, P.C.
BENJAMIN F. HACKETT & ASSOCIATES
Berea Oil & Gas Corp. 1985
ENERVEST MANAGEMENT PARTNERS
Berkshire Oil Co. 1961
FRANKEL OIL & GAS CO.
Berexco Inc.
MANUEL CORPORATION
Beta Operating Co., LLC
BHP PETROLEU (AMERICAS) INC.
Big Dipper Oil Co. 1919
ASHLAND OIL INC.
Big Five Oil Corp. 1985
ARROWSTONE PETROLEUM CORP.
Big Piney Oil & Gas Co.
Big Piney Oil & Refining Co. 1955
Bigheart Pipeline Company
(see Koch Oil)
Bishop Oil Co. 1961
Shell Oil Co.
Bison Energy Corp
Bison Production Company
BK Energy Company
BK EXPLORTION CORP.
B-L ASSOCIATES
BLACK BEAR LP
managed by AVIVA
Black Hawk Resources Corp
OXFORD CONSILIDATED, INC.
BLACK HILLS GAS RESOURCES, INC.
Black Jack Resources, Inc.
BLACK TYPE LP
managed by AVIVA
Blackbird Co. (DISSOLVED)
KERR-MCGEE CORP
Blackfoot-Cherokee Energy, Inc. 1981
PLAINS PETROLEUM CO.
Blackgold Energy Resources Inc. 1987
SNYDER OIL PARTNERS LP
Blackhawk Drilling Co. 1931
KERR-MCGEE CORP.
Blackhawk Oil Co.
BLACKSTONE MINERALS CORP.
Blaffer & Farish 1917
EXXON MOBIL CORP.
BlaMaCa Resources, Ltd.
KERRCO INC.
Blanco Oil Co.
DALEN RESOURCES OIL & GAS CO.
Bloomfield Royalty Corp.
TEXON ENERGY CORP.
BLUE FOX ROYALTY LP
managed by AVIVA
Bluebird Investment Company 1948
TOTAL E&P USA INC
BMC Development #1, LP
BN Financial Services, Inc.
BN Geothermal, Inc
CONOCOPHILLIPS
BN Leasing, Inc
CONOCOPHILLIPS
14
BNI Energy
CONOCOPHILLIPS
BNL Development Corp.
CONOCOPHILLIPS
Bodcaw Oil Properties 1979
PLACID OIL CO.
Bogert Oil Co.
DOMINION OKLA TEXAS EXPL & PROD.
Bois D'Arc Energy Inc
STONE ENERGY CORPORATION
Bolero Energy Corp. 6/89
KAISER-FRANSIS OIL COMPANY
BOLTEX OIL & GAS CO.
Bomac Exploration Co. 1975
SAMSON PROD SERVICES COMPANY
BONANZA PETROLEUM, INC.
Bonanza Resources, Inc. 1984
Bonnville Fuels Corp.
EVERGREEN RESOURCES, INC.
Bonray Driling Corp.
Boomer Marketing Corp.
BORDER EXPLORATION CO.
Boston-Wyoming Oil Co. 1928
CONOCOPHILLIPS
Boswell Corp.
Boundary Acquisition, Inc.
Boundry Oil Co.
Boundry Properties, Inc.
BOUNTY PRODUCTION CO.
Boyd Oil Corp. 1924
FOREST OIL CORP.
BP AMERICA
BP Exploration & Production Inc.
BP AMERICA
BP Exploration 1990
TEXICON OIL & GAS CO.
Bracell Petroleum
MURPHY OIL CORP.
Bracken Exploration
DIVERSIFIED ENERGIES, INC.
Bradco Oil & Gas Co.
NIKLOS OIL & GAS CO.
Bradley Producing Corp. 1984
HESS CORPORATION
Bradley Resources
HESS CORPORATION
Bradmar Petroleum Corp.
Brammer Supply (O&G Div)
HEP OIL CO LTD
Brandywine Oil
BP AMERICA
Brayton Land 1989
AMAX Coal Company
Bravo Natural Resources Inc.
Brazos Coal, Ltd.
THOUSAND OAKS DEV. CO. JT. VEN.
Brazos Exploration Co.
GOLIAD OPERATING COMPANY
Brazos Oil & Gas Co.
DOW CHEMICAL CO.
Brazos Production Co.
Brazos Young Corp. 1989
TENKAY RESOURCES INC.
BRECKENRIDGE OPERATING CO.
Brewer Oil & Gas Co.
HESS CORPORATION
15
BRG Petroleum Inc. 1998
DEVON ENERGY PROD. CO, LP
BRG Petroleum Corp. 2005
BRG ENERGY INC.
Bridewill & Darsey
DARSEY OIL CO.
Bridge Oil (USA) Inc.
PARKER & PARSLEY DEVELOPMENT
Bridge Oil Company
Bridge Oil Company, L.P.
Bridge Oil Production Company
Bridger Exploration Inc 1984
OXFORD CONSILIDATED, INC.
Bridger Petroleum Corp 1978
PRESDIO OIL CO.
Brigham Exploration
STATOIL
Brighton Acquisitions Company LLC
Brinson & Colline
UNITED PRODUCTION
British American Oil Producing Co. 1956
BRITISH PETROLEUM CO. PLC
Britoil PLC 1987 *
Britoil PLC 1988
BRITISH PETROLEUM CO. PLC
Britoil U.S. Holdings Inc.
Britoil Ventures, Inc.
HIGHMOUNT EXPLORATION & PRODUC-
Brittany Petroleum Ltd Company
Brock Gas Systems, Inc.
Brock Hydrocarbons, Inc.
Brock Oil and Gas Corporation
Brock Oil Corporation
Brock Production Corporation
Brock Resources, Inc.
Broken Arrow Royalty Co
Brookhaven
ENERGEN RESOURCES CORP.
Brookhaven Oil Co. 1979
Brooks Hail Oil Co. 1984
Brown Seal Oil Corp. 1924
FOREST OIL CORP.
Brunner
ENGELKE
Bryson Oil & Gas Corp. 1988
CASPEN OIL, INC.
BTU Operating Co. 1986
ENEX RESOURCES CORP.
Buckhorn Petroleum Co. 1984
MCN EXPLORATION
Buckhorn Petroleum Co. 1986
APACHE CORP.
Buffalo Oil Co. 1958
CONOCOPHILLIPS
Buffalo Oilfield Ser. Inc.
GREAT LAKES ENERGY PARTNERS LLC
Bunker Exploration, Inc. 1984
CHAPMAN ENERGY INC.
Burkhard Petroleum Corp. 1987
ZG ENERGY CORP.
16
Burlington Northern Oil & Gas Div.
CONOCOPHILLIPS
Burlington Northern Petroleum Inc.
CONOCOPHILLIPS
Burlington Resources Oil & Gas Co, LP
CONOCOPHILLIPS
Burmah Oil & Gas Co. 1976 *
CONOCOPHILLIPS
Bush Exploration 1982A-Ltd.
CABOT OIL & GAS CORP.
BUTTES OIL & GAS CO.
Byrd Oil Corp.
EXXON MOBIL CORP.
C & K Petroleum, Inc. 1980
UNIMAR CORP.
C.F. Braun Co. 1980
C.J. Wrightsman
W.A. MONCRIEF
C.U. Bay
see Tenneco Inc
C.V. Lyman
Shell Oil Co.
C.J. Wrightsman
W.A. MONCRIEF, JR.
Calco 1961
CHEVRON CORP
California Co. 1961
CHEVRON CORP
California Oil Co. 1977
CHEVRON CORP
California Oilfields, Ltd. 1913
Shell Oil Co.
California Petroleum Corp. 1928
CHEVRON CORP
CALLON PETROLEUM CO.
Calpine Corporation
ROSETTA RESOURCES INC
Calpine Natural Gas Co.
ROSETTA RESOURCES INC
Calplans Oil & Gas Corp.
MISSION RESOURCES PARTNERS LP
CALUMET LUBRICANTS CO.
Calumet Oil Co.
CHAPARRAL ENERGY INC.
Calvert Exploration Co. 1975
Calvin Petroleum Corp. 1985
ENERGY OIL, INC.
Cambridge Related Assets, Inc.
Cambridge Royalty Co. 1986
Cameron Meadows Land Co. 1978
Camroy Acquisition Corporation
GLOBAL RESOURCES CORP
Camroy Acquisition, Inc.
GLOBAL RESOURCES CORP
Canaan
CHESAPEAKE KNAN ACQUISITION, LLC
Canterra Energy Ltd.
HUSKY OIL LTD.
Canterra Petroleum, Inc. 1988
DANOV CORPORATION
Canterra Petroleum, Inc. 1988
DABROS PROPERTIES, INC.
Canusa Energy, Inc. 1984
Canyon Energy, Inc. 1993
Capital Fina Oil Company Inc. 1979
TOTAL E&P USA INC
Capitan, Inc.
E.E. NEARBURG
Capitol Fina Pipeline Company 1985
TOTAL E&P USA INC
Carbon Energy Corp. USA
17
Cardinal Petroleum Co.
CONOCOPHILLIPS
Caribou Four Corners 1984
HEADINGTON INVESTMENTS, INC.
Carl Oil & Gas 1988
MCFARLAND ENERGY, INC.
Carlin Oil & Gas Co.
KAISER-FRANCIS OIL COMPANY
Carolina Oil & Gas
Carper Drilling
Carr Oil Co.
Cartel Inc. 1988
WASHITA PRODUCTION CO.
Carter Oil Co. 1959
EXXON MOBIL CORP.
Cascade
CHEVRON CORP
Case-Pomeroy Oil Corp. 1952 *
FELMONT OIL CORP.
Casex Co.
HESS CORPORATION
CASTLE ENERGY CORP. 1985
CATAMOUNT ROYALTY PARTNERS, LTD.
managed by AVIVA
CAVENHAM ENERGY RESOURCES
Cayman Corporation
CAYMAN RESOURCES CORPORATION
Cayman Exploration Corporation
CAYMAN RESOURCES CORPORATION
CAYMAN RESOURCES CORP.
CDC Ada, Inc.
SUNDOWN ENERGY INC.
CEI Bristol Aquisitions
Celeron Corp. 1987
CHEVRON CORP
Celeron Corp. 1987
EXXON MOBIL CORP.
Celsius Energy Company
QUESTAR EXPLORATION AND PRO-
Cenaro Oil & Gas
CHEVRON CORP
Cenergy Corporation
Cenergy Exploration Co.
Cenergy Financial Corporation
Cenergy International Company
Cenergy Midwest Company
Cenergy Transmission Company
CENEX, INC.
Centex Oil & Gas, Inc.
CONQUEST EXPLORATION CO.
Central Louisiana Energy Corp. 1982
EXXON MOBIL CORP.
Central Oil & Gas, Inc.
Central-Del Rio Oils Ltd.
PANCANADIAN PETROLEUM CO.
Centura Energy Corp. 1983
CASTLE ENERGY CORP.
Century Oil & Gas 1987
CHARTERHALL PLC
Century Production, Inc. 1986
HESS CORPORATION
CF Industries, Inc. 1987 *
KELLEY OIL CORP.
Chalaco, Ltd. (Dissolved)
KERR-MCGEE CORP
Chambers & Kennedy
UNIMAR CORP.
18
Champlin Oil & Refining Co. 1964
Champlin Petroleum Co. 1987
Chanslor Western Oil/Dvlpmt. Co. 1978
DEVON ENERGY
Chanslor-Canfield 1953
DEVON ENERGY
Chaparral Energy Development Corp. 1980
NUGGET OIL CORP.
CHAPARRAL ENERGY, LLC
Chaparral Oil Inc.
Chapman Energy Inc.
CODA ENERGY CORP.
CHAPMAN RESOURCES
CHARLIE BARTON
Charter Exploration & Production 1977
CRYSTAL OIL CO.
CHARTERHALL PLC
Chase Petroleum Co 1968
APACHE CORP.
Cheniere Petroleum Corp.
DEVON ENERGY
Cherokee Resources, Inc.
Cherryville Corp.
TEXAS INTERNATIONAL PETROLEUM
Chesapeake BNR Corp
Chesapeake Cratex Corp
Chesapeake Cratex LLC
Chesapeake ENO Acquisitions LLC
Chesapeake EP LLC
Chesapeake Focus LLC
Chesapeake GH Corp
Chesapeake Investments
ARCADIA RESOURCES, L.P.
Chesapeake KNAN Acquisitions LLC
Chesapeake LNG LP
Chesapeake Mid- Continent Corp.
Chesapeake Mountain Front LLC
Chesapeake ORC, LLC
Chesapeake PEP Corp.
Chesapeake PRH Corp
Chesapeake Permian LP
Chesapeake RS Corp.
Chesapeake Sigma LP
Chesapeake Zapata LP
CHK Cratex LLC
CHK Louisiana LLC
Chessie Resources, Inc. Minerals Only
Chevron Midcontinent
CHEVRON CORP
Chevron Production Company
CHEVRON CORP
19
Chevron USA
CHEVRON CORP
Chevron-Texaco
CHEVRON CORP
Chicago Corp. 1954
Chief Holdings, LLC
DEVON ENERGY
Chief Oil & Gas LLC
DEVON ENERGY
Chieftain Petroleum, Inc. 1986
UMC PETROLEUM CORP.
Chinook Resources
BRIDGE OIL COMPANY, L.P.
Chipola Oil Corp. 1982
TERRAPET ENERGY CORP.
Chisos Trading Co.
KAISER-FRANCIS OIL CO.
Christie, Mitchell & Mitchell Co.
DEVON ENERGY
CIG Exploration, Inc.
CIMA ENERGY, LTD.
Cimarron Operating Company
RANGE RESOURCES - APPALACHIA,
CINCO GENERAL PARTNERSHIP
Circle X Oil and Gas LLC
Cisneros Oil Corporation 1967
TOTAL E&P USA INC
Citation 1987 Investment LP
CITATION 2002 INVESTMENT LP
CITATION 2002 INVESMENT LP
Citgo Petroleum Corp. Pre 9/83
CITGO PETROLEUM CORPORATION
Cities Service Oil & Gas Corp.
Cities Services Oil Co. 1982
Citrus County Land Bureau, Inc.
HESS CORPORATION
Clark Oil & Refining Co.
APEX OIL CO.
Clark Resources, Inc. 1989
BRG PRODUCTION CO.
Clarkland Royalty, Inc.
CONOCOPHILLIPS
Clarkland, Inc.
CONOCOPHILLIPS
Classic Oil & Gas, Inc.
XTO ENERGY INC.
Classic Petroleum, Inc.
XTO ENERGY INC.
Clusde R Lambe
KOCH EXPLORATION COMPANY, LLC
Clephane Oil Co. 1912
Shell Oil Co.
Cliffwood Energy Co. 1988
CHEVRON
CLINTON GAS SYSTEMS, INC.
Clinton Oil Co. 1976
BHP PETROLEUM (AMERICAS) INC.
Clymore Petroleum Corp. 1968
TESORO PETROLEUM CORP.
CMS ENEGY, INC.
CMS Nomeco Oil & Gas
NEWFIELD EXPL MID-CONTINENT INC.
CNG Producing Co.
20
COAL CREEK EXPLORATION COMPANY
managed by AVIVA
Coastal Derby Refining Company
EL PASO MARKETING, INC.
Coastal Oil & Gas Corp.
Coastal Oil & Gas Gathering, LP
Coastal Oil & Gas USA, LP
Coastal Oil Co. 1958
CONOCOPHILLIPS
Coastal Production Co.
EOG RESOURCES, INC.
Coastal Refining and Marketing
EL PASO MARKETING
Coastal States Crude Gathering Co.
EL PASO MARKETING
Coastal States Gas Production Co.
EL PASO E&P CO., LP
Coastal States Trading, Inc.
EL PASO MARKETING
Cobo & Co, Inc.
Coda Energy
EOG RESOURCES, INC.
CoEnergy Anadarko, Inc.
SUNDOWN ENERGY INC.
CoEnergy Central Expl. Inc.
SUNDOWN ENERGY INC.
CoEnergy Enhanced Prod. Co.
SUNDOWN ENERGY INC.
CoEnergy Midcontinent, Inc.
SUNDOWN ENERGY INC.
CoEnergy Operating Co.
SUNDOWN ENERGY INC.
CoEnergy Ventures, Inc.
SUNDOWN ENERGY INC.
COFFEYVILLE RESOURCES, LLC
Coline Gasoline Corp. 1977
DEVON ENERGY
Coline Oil Corp. 1977
DEVON ENERGY
Colonial Oil Productions Co. 1966
TOTAL E&P USA INC
Colorado Oil & Gas Corp. 1973
EL PASO E&P CO., LP
Colorado Oil Co., Inc.
EL PASO E&P CO., LP
Colorado Western Exploration, Inc. 1958
CONSILIDATED OIL & GAS, INC.
Colt Intermodal Inc.
CONOCOPHILLIPS
Coltexo Corp.
Columbia Gas Development Corp.
HUNT ENERGY (AEC), INC.
COLUMBIA NATURAL RESOURCES LLC
Columbian Carbon Co. 1963
COLUMBINE I LP
managed by AVIVA
COLUMBINE II LP
managed by AVIVA
Cometra Oil & Gas Co.
RANGE RESOURCES INC.
Commodore Estates, Inc.
Common Parent Corporation
CONOCOPHILLIPS
Commonwealth Oil Co. 1961
JUPITER CORP.
Commonwealth Petroleum Co. 1922
Shell Oil Co.
Comprehensive Resources Corp. 1984
DEVON ENERGY
COMSTOCK RESOURCES, INC.
Concho Oil Co.
CHESAPEAKE ORC, LLC
21
CONDER
Conoco, Inc.
CONOCOPHILLIPS
Conquest Associates
Conquest Associates 1983
Conquest Associates 1985
Conquest Associates II
Conquest Associates-I Limited
Conquest Associates-II Limited
Conquest Exploration Company
Conquest Texas, Inc.
Conquest Transmission Company
Conquest/N 1982 Limited Partnership
Conquest/N 1985 Limited Partnership
Conquest/N Matagorda LP
Conquest/NM Matagorda LP
Conquest/NWM 1982 Texas Oil & Gas LP
Conquest/NWM Texas Oil & Gas
Conquest/P 1982 Limited Partnership
Conquest/P 1985 Limited Partnership
Conquest/P Matagorda Limited Partnership
Consolidated Gas Supply Corp.
Consolidated Natural Gas
Consilidated Oil & Gas Inc
HUGOTON ENERGY CORP.
Consolidated Oil Corp. 1943
BP AMERICA
Consolidated Oil/Gas Acquisition Co. 1990
CONSILIDATED OIL & GAS, INC.
Consolidated Production
Consolidated Rimrock Oil Corp. 1958
CONSOLIDATED OIL & GAS, INC.
Continental Eastern Corp.
CHEVRON CORP
Continental Oil Co.
CONOCOPHILLIPS
Continental Resources Corp.
CHAPMAN ENERGY INC.
Continental Western Corp.
CHEVRON CORP U.S.A. INC.
CONVEST ENERGY CORP.
Cook & Hackett, ttorneys
BENJAMIN F. HACKETT & ASSOCIATES
Coquina Oil
Coquina Oil Corp.
PRIMARY FUELS, INC.
Coquina Oil Corp. 1993
AMERICAN NATIONAL PETROLEUM CO.
Cornet Oil *
CONDER
Coronado Corp. 1941
BP AMERICA
Corpus Christi Oil & Gas Co.
CORTEX OPERATING CO.
Cortez Operating Co.
ENCORE OPERATING, LP
22
Cosden Oil & Chemical Co. 1985
TOTAL E&P USA INC
Cosden Oil Co. 1932
CONOCOPHILLIPS
Cosden Petroleum Corp. 1963
TOTAL E&P USA INC
Cosden Pipe Line Company 1994
FINA PIPE LINE CO.
COSDEN, INC.
Coseka Resources (USA) Limited
Cotton Petroleum 1986
APACHE CORP.
Cotton Petroleum Corp. 1987
MORAINE PRODUCTION LTD.
Coty
LARIO OIL & GAS CO.
Cow Gulch Oil Co. 1973
K.R.M. PETROLEUM CORP.
COX & PERKINS EXPLORATION, INC.
COX OIL & GAS, INC.
CPC Exploration Co. 1985
COX & PERKINS EXPLORATION, INC.
CRA Inc
FARMLAND INDUSTRIES, INC.
CRA International, Ltd.
Crainfill & Reynolds 1933
EXXON MOBIL CORP.
Cravens Oil Co.
XTO ENERGY INC.
CREDO PETROLEUM CORP.
CRESCENT OIL & GAS CORP.
Crescent Petroleum Corp.
Crescent Royalty Co. 1931
CONOCOPHILLIPS
Creslenn Oil Co. 1979
SOUTHWEST ROYALTIES, INC. U.S. OIL
Crestmont Oil & Gas Co. 1981
Crimson Energy
J-M HUBER CORP.
CRIMSON EXPLORATION INC
Cross Bell Company
HAMPTON RESOURCES
Cross Timbers Oil Company
XTO ENERGY INC.
Cross Timbers Oil Company LP
XTO ENERGY INC.
Cross Timbers Operating Co.
XTO ENERGY INC.
Cross Timbers Production
XTO ENERGY INC.
Crow Creek Energy, LLC
PENN VIRGINIA CORP.
Crow Creek Energy II, LLC
EAGLE ROCK MID-CONTINENT ASSET,
CROWN CENTRAL PETROLEUM CORP.
Crown Zellerbach (Energy Div.) 1985
CAVENHAM ENERGY RESOURCES
Crusader Energy Corporation
CRYSTAL OIL CO.
CSX Oil & Gas Corp. 1988
Cudahy Refining Co.
BP AMERICA
Cuervo Resources, Inc.
CUERVO, INC.
CUERVO, INC.
Cullen
BURLINGTON RESOURCES
23
Cummins & Walker Oil Co., Inc.
CXY Energy Inc.
NEXEN PETROLEUM U.S.A. INC.
Cycle Oil & Gas Corp.
FRONTIER ENERGY CORP.
Cyclops Corp. 1987 *
ROSCOE GAS & OIL CO.
Cypher Energy Corp.
ALLIANCE EXPLORATION CORP.
D.C. BINTLIFF
D & D Oil and Gas LLC
D.D.I., INC 1989
Dabros Properties 1988
JN EXPLORATION & PRODUCTION
DABROS PROPERTIES 1988
Dacresa
Dakota Resources, Inc. 1983
VALEX PETROLEUM, INC.
Dalco Oil Co. 1976
Dalen Resources Oil & Gas Co.
NEWFIELD EXPLORATION GULF COAST
Dallas Oil & Minerals Inc.
RANGE PROD. CO.
Dallas Sunbelt Energy, Inc. 1982
CHAPMAN ENERGY, INC.
Dal-Oil Inc.
GREAT LAKE ENERGY PARTNERS LLC
Damson Oil Corp
Danciger Oil & Refining Co. 1948
BP AMERICA
Daniel Oil Co.
PARTNERS OIL CO.
DANOV CORPORATION 1988
Darby Petroleum Co. 1944
DARSEY OIL CO.
Davis Oil Co.
DAVIS PETROLEUM CORP.
Davis Oil Co. (Davis Petroleum Corp.)
QUINOCO CO. 1988
Davis Oil Co. 1981
PRESDIO OIL CO.
Dawn Energy Co. 1986
ONEOK EXPLORATION CO.
Dean Brothers
BP AMERICA
Deca Energy Corp. 1985
Deep Gas Exploration Inc. 1985
RATEX RESOURCES INC.
Deep Rock Oil Co. 1954 *
CONOCOPHILLIPS
Deep Rock Oil Corp. 1955
KERR-MCGEE CORP
DEKALB ENERGY CO.
DeKalb Petroleum Co. 7/92 (Depco)
DOMINION OKLA TEXAS EXPL & PROD.
Del Mar Petroleum, Inc.
Del mar Production
CONOCOPHILLIPS
Del Ray Petrouelm Co. 1952
see Tenneco Inc
Delhi Oil Corp. 1955
see Tenneco Inc
Delhi-Taylor Oil Corp. 1964
see Tenneco Inc
Delta Drilling Company
KERR-MCGEE CORP
Delta Drilling USA, LP
24
Deltaus Corp.
Delwood 1964
APACHE CORP.
Deminex U.S. Oil Co
SOUTHWEST ROYALTIES, INC.
DENOVO OIL & GAS CO.
Depco, Inc.
DEKALB ENERGY CO.
Derby Refining Company
EL PASO MARKETING, INC.
Desert American Agency, Inc.
CONOCOPHILLIPS
Desert Magic Inc.
CONOCOPHILLIPS
Desert Royalty Corp (1992)
MARIENFELD ROYALTY CORP.
Destry Gas Co., Ltd.
PETER PAUL PETROLEUM CO., DEN.
Devex Resources
KERR-MCGEE CORP
DEVON ENERGY CORP.
Devon Louisiana Corp
Devon SFS Operating Inc.
DEVON ENERGY CORP.
Devonian Gas & Oil Co.
CHEVRON CORP
Devx Energy, Inc.
COMSTOCK RESOURCES
DI INDUSTRIES INC.
Diablo Oil Co. 1987
Daimex Co.
Diamond Alkali
MAXUS EXPLORATION
Diamond S Energy
DABB ENERGY CO.
Diamond Shamrock Corp. 1987
MAXUS EXPLORATION
Diamond Shamrock Offshore Partners LP
CONOCOPHILLIPS
Dickson Oil Company 1949
Dietrich Resources Corp. 1987
Discovery Oil, Ltd. 1986
SEAHAWK OIL INTERNATIONAL, INC.
Diversa, Inc.
MAYNARD OIL COMPANY
Diverse Energy Investments
FNRC DEI GP
Diverse GP
DIVERSE ENERGY INVESTMENTS
Diverse GP III
FNRC DIII GP
Diverse Operating Company
DIVERSE ENERGY INVESTMENTS
Dixel Resources, Inc.
Dixie Oil Co. 1919
BP AMERICA
DKM Energy Inc.
INTERCOAST OIL & GAS CO.
DKM Offshore Energy, Inc.
MEDALLION CALIFORNIA PROPERTIES
DKM Resources, Inc.
KCS RESOURCES, INC.
Dodson Prod., LLC
PENT ENERGY, LLC
Dolphin Energy LLC
25
Domain Energy Corp
RANGE ENERGY CORP.
Domain Energy Finance Corp
RANGE ENERGY FINANCE CORP.
Domain Energy Guarantor Corp
RANGE ENERGY GUARANTOR CORP.
Domain Energy Prod. Co.
RANGE ENERGY VENTURE CORP.
Domain Energy Ventures Corp.
RANGE ENERGY VENTURE CORP.
Dome Petr. Corp. (U.S. Assets) 1983 *
CHEVRON CORP
Dome Petroleum Ltd. 1988
AMOCO CANADA PETRO CO. LTD
Dominion (offshore)
ENI PETROLEUM CO INC.
Dominion Black Warrior Basin, Inc.
HIGHMOUNT BLACK WARRIOR BASIN,
Dominion Exploration & Production
HIGHMOUNT EXPL AND PROD LLC
Dominion Exploration & Production, Michigan
LINN ENERGY, LLC
Dominion Midwest Energy, Inc.
HIGHMOUNT EXPL & PROD MICHIGAN
Dominion Midwest Energy, Inc.
XTO ENERGY, INC. (all but Michigan)
Dominion Offshore TX & LA
ENI PETROLEUM CO INC.
Dominion Oklahoma Texas Exploration &
LINN ENERGY, LLC
Dominion Permian, TX
HIGHMOUNT EXP & PROD LLC
Dominion Resources, Inc.
CONSOL ENERGY INC.
Domionion Rocky Mountian
XTO ENERGY
DON FRANTZEN
Don L. Mount
Donald Slawson Oil Producer
SLAWSON EXPLORATION CO., INC.
Dorchester Exploration, Inc. 1984
DAMSON OIL CORP.
Dorfman Production
W.H. HEISLER, JR.
Dorothy Corp. 1984
DEVON ENERGY
Dorrance
FRAZIER
Double Eagle Exploration, Inc.
MKI ENERGY, INC.
DOW CHEMICAL CO.
Dowdle Oil Corp. 1981
WESTERN NATURAL GAS CO.
DPI-GP, Inc.
CONOCOPHILLIPS
Drel Petroleum 1979
ORIGINALA PETROLEUM CORP.
DREW CORNELL, INC.
Dreyer Bros., Inc.
CONOCOPHILLIPS
Drillers, Inc. 1985
DI INDUSTRIES, INC.
Drillexco 1962
BP AMERICA
Drilling & Exploration Co. 1962
BP AMERICA
DUKE ENERGY FIELD SERVICES
Duke Energy T & T Co.
TEPPCO CRUDE OIL LP
Dundee Petroleum Co. 1915
Shell Oil Co.
Duran Energy Corp. 1984
WENTEX INTERNATIONAL, INC.
DX Oil Co. 1962
Dyco Petroleum Corp. 1985
26
Dynamar Energy Inc. 1986
KERR-MCGEE CORP
Dynamic of Texas, Inc. 1979
CONOCOPHILLIPS
Dynasty Oil & Minerals, Inc. 1984
RANGE PRODUCTION CO. MINERALS,
E.E. Fogelson 1964
Shell Oil Co.
E.E. NEARBURG
E.H. McDermott
J.D. WRATHER, JR.
E.L. Hilliard II Interests 1988
E.L. Hilliard III Interests 1988
E.G. Operating
SUNDOWN ENERGY, INC.
Eagle Energy Inc.
EAGLE EXPLORATION CO.
EAGLE OIL & GAS CO.
Eagle Oil Co. 1978
Earlsboro Oil & Gas 12/90
DOMINION OKLA TEXAS EXPLOR. &
Earnest H. Lambert
Earth Resources Co. 1981
Eason Oil Co. 1985
East Resources Inc. (West Virginia NOT
East Timbers Oil, LP
XTO ENERGY, INC.
Eastern Petroleum Co.
Eastland Oil
BP AMERICA
Eastwash Corp.
Easy Wind Oil Co. 1986
Echo Oil Corp. 1979
FOREST OIL PERMIAN CORP.
ECOS Corporation
CONOCOPHILLIPS
Edson Petroleum Co. 1970
Edward P. Bass
Edwards & Leach Oil Co. 1984
Edwin L. & Berry R. Cox
COX OIL & GAS INC.
EEX Corp.
EGRET ENERGY CORP.
El Can Petroleum Company
CONOCOPHILLIPS
El Paso Company
CONOCOPHILLIPS (through Burlington
EL PASO E&P CO., LP
El Paso Exploration Co. 1985
CONOCOPHILLIPS
El Paso Frontera Corporation
CONOCOPHILLIPS
El Paso Gas Marketing Co.
CONOCOPHILLIPS
El Paso Gas Transportation Company
CONOCOPHILLIPS
El Paso Hydrocarbons Co.
CONOCOPHILLIPS
El Paso Hydorcarbons Gas Processing Co.
CONOCOPHILLIPS
El Paso Hydrocarbons Pipeline Co.
CONOCOPHILLIPS
27
El Paso Hydrocarbons Service Co.
CONOCOPHILLIPS
El Paso Hydrocarbons Transportation Co.
CONOCOPHILLIPS
El Paso Natural Gas Clearinghouse Co.
CONOCOPHILLIPS
El Paso Natural Gas Company
CONOCOPHILLIPS
El Paso Production Company
CONOCOPHILLIPS
El Paso Production Oil & Gas USA, LP
El Paso Products Company
CONOCOPHILLIPS
El Paso Storage Company
CONOCOPHILLIPS
El Rey Petroleum, Inc.
JOHN P. MCHAUGHTON
El Toro Exploration
ROLAND LIBERDA
Eland Energy, Inc.
SUNDOWN ENERGY INC.
Eldorado Refining Company 1968
AMERICAN PETROFINA PIPELINE CO.
Elf Acquitaine Inc.
TOTAL E&P USA INC
Elf Exploration, Inc.
TOTAL E&P USA INC
Elk Basin Petroleum Co. 1928
CONOCOPHILLIPS
Elk River Resources
SUNCO PARTNERS MKTG & TERMINALS
Elysium Energy, LLC
NOBLE ENERGY, INC
EMCOR PETROLEUM CO.
Emejota Engineering Corporation
TOTAL E&P USA INC
Empire Energy 1980
BP AMERICA
Empire Oil Company
Empire Southern Production Co.
ANDREWS PRODUCTION CO.
ENCANA CORP.
ENCANA ENERGY HOLDINGS, INC.
ENCANA ENERGY RESOURCES, INC.
ENCANA ENERGY SERVICES
ENCANA GAS STORAGE INC.
ENCANA GATHERING SERVICES (USA)
ENCANA GULF OF MEXICO, INC
ENCANA HERITAGE LANDS
ENCANA INTERNATIONAL (USA), INC.
ENCANA MARKETING (USA), INC.
ENCANA MIDSTREAM, INC.
ENCANA MIDSTREAM, LTD.
ENCANA OIL & GAS (USA), INC.
ENCANA OIL & GAS CO., LTD
ENCANA OIL & GAS PARTNERSHIP
ENCANA PIPELINES (USA), INC
ENCANA PIPELINES, LTD
ENCANA RESOURCES
ENCANA WEST LTD.
28
ENCINO ENERGY & DEVELOPMENT CORP.
ENDEAVOR NATURAL GAS, LP
ENERGEN RESOURCES
Energen Resources MAQ, Inc.
Energy Corp. of America, Inc.
EQUITABLE PETROLEUM CORP.
ENERGY DEVELOPMENT CORP.
ENERGY DEVELOPMENT PARTNERS LTD.
Energy Methods Corp.
EMCOR PETROLEUM CO.
Energy Oil & Gas Corp. 1978
OIL CITY PETROLEUM, INC.
ENERGY OIL INC.
Energy Oil Inc. of Colorado
SNYDER OIL PARTNERS
Energy Reserves Group Inc. 1985
Energy Resources Corp. 1984 *
RIO PETROLEUM INC.
ENERGY SOURCES INC.
Enertec Corp.
RIO PETROLEUM INC.
ENEX RESOURCES CORP.
Enfield Energy 81-A
DOMINION EXPL & PROD INC.
Enfield Energy 84-A
ENGELKE
Enhanced Energy Resources
Enopco, Inc. 1989
UMC PETROLEUM CORP.
Enpal, Inc. 1989
UMC PETROLEUM CORP.
EnRe, LP (Texas Properties)
J-W OPERATING CO.
Enron Corp., E&P Division
EOG RESOURCES, INC.
Enron Exploration Company
EOG RESOURCES, INC.
Enron Oil & Gas Co.
EOG RESOURCES, INC.
Enron Oil & Gas Marketing, Inc.
EOG RESOURCES, INC.
Enron Producing Company
EOG RESOURCES, INC.
Enserch Corporation
Enserch Energy, inc.
Enserch Exploration, inc.
Enserch Oil Company
Enserch Sacroc, Inc.
Ensign Oil Co.
KERR-MCGEE CORP
Ensource, Inc 1989
UMC PETROLEUM CORP.
Enstar Petroleum Corp. 1985
UNIMAR CORP.
Entech Gas Ventures
ENCANA ENERGY
Enterprises Energy Corp. 1986
BELDEN & BLAKE ENERGY CO.
Enterprise Gas Co.
ENTERPRISE RESOURCES INC.
29
Entex Energy Operations Ltd. 1987
UMC PETROLEUM CORP.
Entex Petroleum Inc. 1987
UMC PETROLEUM CORP.
EOG RESOURCES, INC.
EOTT Company
PLAINS ALL AMERICAN PIPELINE, LP
EP Operating Ltd. Partnership
EPCO, Inc.
ENTERPRISE PRODUCTS COMPANY
EPX Co.
CONOCOPHILLIPS
Equatorial Energy, Inc.
RESOLUTE ENERGY, INC.
Equitable Gas Co. 1985
EQUITABLE RESOURCES INC.
EQUITABLE PETROLEUM CORP.
EQUITBLE RESOURCES INC.
EQUITY OIL CO.
Equiva Trading Co.
SHELL TRADING (U.S.) CO,
ESKEY INC.
Espero Energy
SOUTHWEST ROYALTIES INC.
Essex Exploration, Inc. 1983
Ethyl Oil & Gas Corp. 1989
TREDEGAR OIL & GAS CORP.
Ethyl Petroleum Corp. 1989
TREDEGAR PETROLEUM CORP.
Ethyl Properties, Inc 1989
TREDEGAR PROPERTIES, INC.
EuroTex Resources, Inc.
KERRCO INC.
EVERGREEN OPERATING CORP.
Evergreen Resources, Inc.
Excalibur Ventures Inc. 1987
Exchange Oil & Gas Corp. 1985
TRANSCO EXPLORATION PARTNERS
Exchange Oil & Gas Corp. 1986 *
TOTAL E&P USA INC
Exeter Exploration 1986
APACHE CORP.
Exeter Exploration Co.
MCN EXPLORATION
Ex-Mission Ranches, Inc.
CONOCOPHILLIPS
Exploration Co. of Louisiana Inc. 1987 *
FINA OIL & CHEMICAL CO.
EXXON MOBIL CORP.
F.E. HARPER
F.K. Johnson
F.P. Kendall Oil Co. 1958
CONOCOPHILLIPS
F.T. JOHNSON, JR.
F. W. Merrick, Inc. 1943
CONOCOPHILLIPS
Fabco Oil Co., Inc. (Merger)
IMPERIAL OIL COMPANY
Fadsin Production, Inc. 1984
DEVON ENERGY
Fair Oil Company 1975*
TOTAL E&P USA INC
Falcon Seaboard Inc. 1979
MAXUS ENERGY CORP.
Fargo Oils Ltd.
CHEVRON CORP
FARMERS OIL COMPANY
30
Farmer's Union Central Exchng, Inc 12/93
CENEX, INC.
Farmland Industries, Inc.
COFFEYVILLE RESOURCES, LLC
Faulkner Corporation
FCD Oil Corp. 11/86
DOMINION EXPL & PROD INC.
FEC offshore Inventory Company
EOG RESOURCES, INC.
Federated Energy 1985
FEDERATED NAT RESOURCES CORP.
FEDERATED NATURAL RESOURCES
FELL & WOLFE OIL CO.
Felmont Oil & Gas Co. 1990
TORCH OIL & GAS CO.
FGL, Inc.
SUNDOWN ENERGY, INC.
FIDELITY OIL CO.
Fifteen Oil Co. 1960
see Tenneco Inc
Filon Exploration Co. 1979
Fina Exploration, Inc. 1989
TOTAL E&P USA INC
Fina LaTerre, Inc.
TOTAL E&P USA INC
Fina Oil & Chemical Co.
TOTAL E&P USA INC
Fina Oil and Gas, Inc. 1988
TOTAL E&P USA INC
Fina Supply, Inc. 1985
TOTAL E&P USA INC
Fina, Inc.
TOTAL E&P USA INC
Finadel Exploration, Inc. 1987
TOTAL E&P USA INC
Finadel Pipe Line Company 1984
TOTAL E&P USA INC
Finadel, Incorperated 1982
TOTAL E&P USA INC
Financial Technology Inc. 1975
TEXON ENERGY CORP.
FINATERRE, INC.
Fine Line Diversified Ventures, Inc.
FINE LINE O&G TX (WY)(LA)(MULTI -
Fin-Oil, Inc. 1988
TOTAL E&P USA INC
FIN-TEX PIPELINE COMPANY
FIRST ENERGY CORP.
First Mississippi Corp.
FIRST ENERGY CORP.
First Permian, LP
FIVE STAR ROYALTY PARTNERS, LTD.
managed by AVIVA
Flag Oil Corp. 1970
KERR-MCGEE CORP
Flag-Redfern Oil Co. 1988
KERR-MCGEE CORP
Flagstone Petroleum Corp.
MAP RESOURCES, INC.
Florida Exploration Co. 1984
EOG RESOURCES, INC.
Florida Gas Exploration Co. 1979
EOG RESOURCES, INC.
Floyd Karsten
CHEVRON CORP
Fluor Oil & Gas Corp.
PRIMARY FUELS, INC.
FMP Operating Co. A Ltd. Partnership 1990
FREEPORT-MCMORAN OIL & GAS
Focus Energy LLC
Fohs Oil Co. 1946
BP AMERICA
31
FORCHALL OIL
Forest Oil Co., Inc. 1924
FOREST OIL CORP.
FOREST OIL CORP.
Forest Oil Corp. 1974 *
FOREST OIL PERMAIN CORP.
Fortuna Energy
Fountain Oil & Gas Inc.
Four Queens Petroleum Corp.
FELL & WOLF OIL CO.
FP, Inc
FPCO Oil & Gas Co. 1987
Franco Petroleum Co. 1913
BP AMERICA
Franco Western
CONOCOPHILLIPS
Franco Wyoming Oil
CONOCOPHILLIPS
Frankel Oil Co.
FRANKEL OIL & GAS CO.
Frankfort Oil Co.
Frantz Corp. 1928
CONOCOPHILLIPS
FRAZIER
Fred Olson Inc.
VOLVO PETROLEUM, INC.
Freedom Energy, Inc.
SEDNA ENERGY, INC.
Freeport Oil Co.
FREEPORT-MCMORAN INC.
Freeport-McMoRan Energy Partners 1990
FREMONT ENERGY CORP.
French Petroleum Corporation
Frio Drilling Co. 1982
FRIO EXPLORATION CO.
FRIO EXPLORATION CO.
Frontier Acquisition Corp.
FRONTIER OIL CORPORATION
Fuhrman Petroleum Corp.
CONOCOPHILLIPS
Fullerton Oil 1953
EXXON MOBIL CORP.
Funk Exploration 1985
Future Acquisition 1995, Ltd.
Future Energy Corp.
Future Petroleum Corp.
Future Resources 1981
BOGART OIL CO./LOUIS DREYFUS GAS
G.O.C. Corp. 1984
DEVON ENERGY
G.P. Livemore, Inc.
GREAT WESTERN OIL
G/O INTERNATIONAL, INC.
Galaxy Oil Co. 1987*
Galena-Signal Oil Co. 1928
CHEVRON CORP
32
Gamble-Daniel Operating Co.
PARTNERS OIL CO.
Garfield County Exploration
CHEVRON CORP U.S.A. INC.
Gas Anadarko, Ltd Successors, The
Gas Producing Enterprices, Inc.
BORDER EXPLORATION CO.
GASOLINE PRODUCTION CORP.
GCO Minerals Company
CHEVRON CORP.
Gem Oil, Inc.
Gemini Corp. 1986
General American Oil Co. 1983
CONOCOPHILLIPS
General Atlantic Energy Corp.
UMC PETROLEUM CORP.
General Atlantic Gulf Coast Inc.
UMC PETROLEUM CORP.
General Atlantic Resources Inc.
UMC PETROLEUM CORP.
General Crude Oil Co. 1979
EXXON MOBIL CORPORATION
GENERAL ENERGY OPERATIONS LTD.
GENERAL ENERGY RESOURCES & TECHGeneral Hydrocarbons Inc. 1985
ENCANA ENERGY
General LP Acquisition Inc. 1989
UMC PETROLEUM CORP.
General Petroleum Corp. 1926
EXXON MOBIL CORP.
General Producing Co. 1988
UMC PETROLEUM CORP.
General Production Co., Inc. 1983
ZAPATA EXPLORATION CO.
Genesis Petroleum Corp. 1986 *
DEVON SFS OPERATING, INC.
GeoDynamics Oil & Gas, Inc. 1984
DEVON ENERGY
Geodyne Resources 1993
GeoResources Management Corp. 1984
DEVON ENERGY
George J. Greer Trustee 1957
George M. Shanor 1969
F.T. JOHNSON, JR.
George Mitchell & Associates
DEVON ENERGY
George R. Brown, Oil & Gas Div.
HIGHLAND RESOURCES, INC.
George Rodman Inc. 1984
CHAPMAN ENERGY INC.
Gerber Energy International 1987
GOLD KING CONSOLIDATED, INC.
Getty Oil Co. 1984
CHEVRON CORP.
GHK CO.
GHR Energy Corp. 1986
TRANSAMERICAN NATURAL GAS CORP.
GIBRALTAR EXPLORATION LTD.
Gilcrease Oil Co.
VENUS OIL CO.
Gilliland Producting & Refining 1936
CONOCOPHILLIPS
Gillring Oil Co.
RANGE PROD. CO.
Gillring Prod. Co.
RANGE PROD. CO.
GKM Inc. 1987
PETROMARK RESOURCES CO.
Glacier Arizona Company
CONOCOPHILLIPS
Glacier Park Boulder Company
CONOCOPHILLIPS
33
Glacier Park Company
CONOCOPHILLIPS
Glacier Park Denver Company
CONOCOPHILLIPS
Glacier Park Gateway Company
CONOCOPHILLIPS
Glacier Park Kent Industrial Co.
Glacier Park King Street Co.
CONOCOPHILLIPS
Glacier Park Liquidating Co.
CONOCOPHILLIPS
Glacier Park Naperville Co.
CONOCOPHILLIPS
Glacier Park Northwest
CONOCOPHILLIPS
Glacier Park Orillia Company 1
CONOCOPHILLIPS
Glacier Park Riverpoint Company
CONOCOPHILLIPS
Glacier Park South Lander Co.
CONOCOPHILLIPS
Glacier Park Wayzata Co.
CONOCOPHILLIPS
Glacier Production Co. 1944
CHEVRON CORP
Glen McCarthy 1957 *
EOG RESOURCES, INC.
Global Natural Resources Corp. of Maryland
Global Natural Resources Corp. of Texas
Global Nevada-Galaxy I Ltd.
Global Nevada-Galaxy, Inc.
Globe Oil & Refining Co.
LARIO OIL & GAS CO.
Glorieta Oil Co.
KERR-MCGEE CORP
Glover Hefner Kennedy Oil Co.
GHK CO.
Golden Exploration & Production Corp.
LONGVIEW PRODUCTION COMPANY
GoldKing Production Co. 1985
DENOVO OIL & GAS CO.
Goliad Partners, LP
GOLIAD O&G TX (WY)(LA)(MULTI-
Good Hope Refineries Inc.
Gordon Exploration Co.
Gordon Street, Inc. 1969
NORTH AMERICAN ROYALTIES, INC.
Gothic Energy Corp.
CHESAPEAKE
Grace Petroleum Corp. 1993
GRAHAM EXPLORATION
GRAHAM RESOURCES INC.
Graham Royalty Ltd. 11/93
DOMININ OKLA TEXAS EXPL & PROD,
Graham-McCormick Oil/Gas Ptnrshp 1988 *
SNYDER OIL PARTNERS LP
Grand Banks Corp.
RANGE PROD. CO.
Grand Isle Oil & Gas
XTO ENERGY
Granite Falls Rock, Inc.
CONOCOPHILLIPS
Granite Operating Co.
APACHE CORP.
Graridge Crop. 1966 *
TOTAL E&P USA INC
34
Grayhawk Energy Inc
Grayhill Exploration Co. 1986
U.S. MINERALS EXPLORATION CO.
GREAT AMERICAN RESOURCES, INC.
Great Basins Petroleum Co.
HESS CORPORATION
Great Expectations Oil Co. 1984
BP AMERICA
Great Lakes Energy Development, Inc.
Great Lakes Energy Partners LLC
Great Plains Development
CONOCOPHILLIPS
GREAT RIVER OIL & GAS CORP.
Great Western Exploration
GREAT WESTERN ONSHORE INC.
GREAT WESTERN OFFSHORE INC.
Great Western Oil & Gas Inc. 1989
GREAT WESTERN OFFSHORE INC.
Great Western Oil & Gas Inc. 1989
Greenwood Holdings Inc. 10/93
Greystone Sligo Holsings Inc
Greystone Petroleum LLC
Griffin Petroleum Corp. 1982
GROVE OIL & GAS
GS Oil & Gas Co. 1985
Guardian Oil Co. 1916
Shell Oil Co.
Guardian Oil Co. 1983 *
PATRICK PETROLEUM CO,
GULF CANADA RESOURCES LTD.
Gulf Coast Acquisition Properties
SUNDOWN ENERGY INC.
Gulf Energy & Minerals Co.
CHEVRON CORP
Gulf Energy Development Corp. 1988
TEJAS GAS CORP.
GULF EXPLORATION CONSULTING, INC.
Gulf Oil Co. 1984
CHEVRON CORP.
Gulf Oil Exploration & Production Co.
CHEVRON CORP.
Gulf States
WESTERN
Gulf States Production Company
YUMA EXPL AND PROD CO., INC.
Gulfstar Energy Inc.
RANGE ENERGY CORP.
Gulftex Oil Company (Merger)
Gunsmoke Enegy
DABB ENERGY CO.
GW Petroleum Inc. 1989
GWP Inc. 1989
GWR Operating Co. 1989
Gypsy Oil Co.
CHEVRON CORP
H.B. Zachry
GASOLINE PRODUCTION CORP.
H. Conquat
LONGHORN OIL & GAS CO.
H.R. Smith
WESTERN
H.W. Bass & Sons, Inc.
GOLIAD OIL & GAS CO.
35
HADSON CORPORATION
Hadson Gas Co.
APACHE CORP.
Hallwood Energy Co.
CHEVRON CORP.
Hallwood Operating Co.
CHEVRON CORP.
Hallwood Petroleum Inc.
CHEVRON CORP.
Hamilton Bros. Oil Co.
Hamilton Oil 1928
CONOCOPHILLIPS
Hampton Operating Company
HAMPTON RESOURCES CORP.
Hampton Resources Corporation
Hancock il & Gas 1958
CONOCOPHILLIPS
Hanlon-Boyle Inc. 1962
HANNA PETROLEUM CO.
Hanover Management Co.
HESS CORPORATION
Hanover Pet Inc. 1987 Rocky Mtn Prop Only
Harbour Gas & Oil Inc. 1988
HarCor Exporation, Inc. (HCX) 1989
HARCOR ENERGY, INC.
HARDY OIL & GAS USA, INC.
HARKEN ENERGY CORP.
Harken Oil & Gas Inc.
Harkins & Company (Acq.)
Harp Ltd. 1986
TRITON MINERALS & ROYALTY, INC.
Harper Oil Co.
MCN EXPLORATION
Harper Oil Co. 1986
APACHE CORP.
Harris-Bianchi-Hewitt
H-B-H EXPLORATION CO.
Harrison
J.S. ABERCROMBIE MINERAL CO.
Hartex-Anadarko Permian Basin Partnership
EOG RESOURCES, INC.
HASSIE HUNT EXPLORATION COMPANY
Hastings Resources 1987
Hathaway Co.
PYRAMID OIL CO.
Hawkins & Co.
Hawthorne Oil & Gas Corp. 1988
AMERICAN NATIONAL PETROLEUM CO.
H-B-H EXPLORATION CO.
HCG ENERGY CORP.
HCW Inc. 1985
NRM ENERGY LIMITED PARTNERSHIP
HCW Oil & Gas Co.
Healdton Oil & Gas Co. 1929
HEC La Plata, LLC
CHEVRON CORP
HEC Peru, LLC
CHEVRON CORP
HEC Petroleum, Inc.
CHEVRON CORP
Hef-Lin Energy
L L & B COMPANIES
36
HelmericH & Payne, Inc.
CIMAREX ENERGY CO.
Helmick Oil Co. 1912
Shell Oil Co.
Hemingway, Bartell & Associates
BARTELL EXPLORATION
Henderson Petroleum Corp. 1986
ZG ENERGY CORP.
Henry Energy Corp. 1987
KIMCO ENERGY CORP.
Henry Equity LLC
LINN ENERGY HOLDINGS, LLC
Henry Savings LP
Henry Savings Management LLC
HEP OIL CO LTD
SILVER CREEK RESOURCES, LLC
HEP OPERATING PARTNERS, L.P.
HEP Partners, LP
CHEVRON CORP
HEP Pure Acquisitions, LLC
CHEVRON CORP
HEP San Juan, LLC
CHEVRON CORP
Heritage Glacier Park Company
CONOCOPHILLIPS
Heritage Resources CO, LLC
Herman G. Kaiser
Hershy Oil Corp. (US Properties)
HESS CORPORATION
Hess Oil & Chemical 1969
HESS CORPORATION
Hexagon Oil & Gas, Inc.
DABB ENERGY CO.
Heyser & Heard
EXXON MOBIL CORP. L.P.
Hiawatha Oil & Gas Corp. 1987 *
CASTLE ENERGY CORP.
Hiawatha Oil Co., Inc. 1983
Hickory Creek Oil Co. 1984
HANNA PETROLEUM CO.
Hickory Timbers Oil LP
XTO ENERGY INC.
High Crest Oils, Inc.
BP AMERICA
High Plains Oil Corp. 1985
DEVON ENERGY
Highland Energy Co.
CALPINE PRODUCER SER., LP
HIGHLAND RESOURCES, INC.
Highmount Black Warrior Basin LLC
WALTER BLACK WARRIOR BASIN LLC
HighMount Midwest Energy LLC
LINN OPERATING, INC.
HighMount Exploration and Production Michi-
LINN OPERATING, INC.
Hightower Oil & Gas
OLIX ENERGY
Hilliard Oil & Gas Inc. 1985
Hingeline-A1162Overthrust Oil/Gas, Inc.
WHITING PETROLEUM CORP.
HiPoint Petroleum Corp. 1981
GIBRALTAR EXPLORATION LTD.
HLP Operating Co. 1986
HPC OPERATING CO.
HMG Associates
NATURAL RESOURCE MGMT CORP.
HNG Fossil Fuels Co. 1983
EOG RESOURCES, INC.
HNG Offshore Properties, Inc.
EOG RESOURCES, INC.
HNG Oil Co. 1985
EOG RESOURCES, INC.
37
HNG/InterNorth Exploration Co. 1986
EOG RESOURCES, INC.
HOC 1982 Rockies Oil Program
Hold Oil Corp. 1989
HCG ENERGY CORP.
Holding Company, Ltd.
Holly Energy, Inc. 1984
EOG RESOURCES, INC.
Homa Oil and Gas Company Inc.
Home Petroleum Corp. 1989
PRESIDIO OIL CO.
Home-Stake O&G Co.
Home-Stake Royalty Corp.
Hondo Oil & Gas Co. 1963
BP AMERICA
Hondo Oil & Gas Co. 1992
DEVON ENERGY
Honolulu Oil Corp. 1961 *
BP AMERICA
Hoover & Bracken Energies, Inc.
DIVERSIFIED ENERGIES INC.
Houston Drilling & Energy Corp. 1977
HOUSTON OIL & ENERGIES INC.
Houston Natural Gas Production Co. 1972
EOG RESOURCES, INC.
HOUSTON OIL & ENERGY, INC.
Houston Oil & Minerals 1981
DEVON ENERGY
Houston Oil Co. 1956
BP AMERICA
Houston Oil Fields Co. 1987 *
Houston Oil Royalty Trust
DEVON ENERGY
Houston Oil Trust
DEVON ENERGY
Howell Petroleum Co.
HPC OPERATING CO.
HPC, INC.
See PRESDIO OIL CO.
HS Resources Inc. - 2001
KERR-MCGEE ROCKY MOUNTAIN
HS Royalty Ltd
Hudson Gas & Oil
EXXON MOBIL CORP. LP
Hudson Oil Co.
BP AMERICA
Hudson's Bay Oil & Gas Co.
DOME PETROLEUM
Huffco Gas & Oil Inc. 1988
TOTAL E&P USA INC
Huffco Oil Programs Inc. 1988
TOTAL E&P USA INC
Huffco Petroleum Corp. 1988
TOTAL E&P USA INC
Huffington Exploration Corp. 1988
TOTAL E&P USA INC
Hughes Eastern Producing, Inc.
UNION OIL CO. OF CALIFORNIA
Hughes Oil & Gas Inc. 1989
TEXAS MERIDIAN RESOURCES LTD
Hugoton Capitol Limited Partnership
HUGOTON ENERGY CORPORATION
Hugoton Exploration Corporation
Hugoton Production Co. 1969
Huisache Operating Co. 1977
PENINSULA RESOURCES CORP.
Humble Oil & Refining Co. 1972
EXXON MOBIL CORP L.P.
38
Humble Oil Co. 1917
EXXON MOBIL CORP L.P.
Humphreys Corp. 1931
BP AMERICA
Hunnicutt & Camp Co. 1981
see Tenneco Inc
HUNT OIL COMPANY
Hunt Petroleum (AEC) Inc
XTO ENERGY INC.
Hunt Petroleum Corporation
XTO ENERGY INC.
HUNTER RESOURCES, INC.
Huntington Beach Company
CHEVRON U.S.A. INC.
Husky Oil Co. 1984
HUSKY OIL LTD
HYDRO GULF OF MEXICO, LLC
Hytech Energy Corp. 1979
I.W. Lovelady 1978 *
DEVON ENERGY
Ibex Inc.
IEC Oil & Gas Corp. 1987
Ike Lovelady, Inc. 1986
PETROHAWK RESOURCES CO.
ILEX OIL CORP.
Illinois Industries Inc. 1985
TRANS ATLANTIC RESOURCES CORP.
Imperial American Energy 1977 *
Imperial Oil Company of California
Imperial Petroleum
MOSS PETROLEUM
Incomare Resources, Inc.
KERRCO INC.
Independent Exploartion Co. 1952
Independent Oil & Gas Co. 1927
CONOCOPHILLIPS
Independent Resources, Inc.
ACCESS ENERGY CORP
Indian Territory Illuminating Oil Co.
Indian Valley Oil Co. (Merger)
Indian Wells Oil Co. 1979 *
ANADARKO E&P COMPANY, LP OIL &
Indian Wells Oil Co. 1987
PARKER & PARSLEY PETROLEUM CO.
Industrial Gas Supply Corp.
Inexco Oil Company
CONOCOPHILLIPS
Ingram Oil & Refining Co. 1961
MURPHY OIL CORP.
Integral Petroleum Corp. 1976
Integrated Energy, Inc.
MCO RESOURCES CORP.
Inter-American Petroleum Corp. 1978
InterCoast Oil & Gas Co.
KCS RESOURCES, INC.
Intercoastal Operating Co.
IOC EXPLORATION, INC.
International Min. & Chemical Corp. 1986
BASF CORP/WINTERSHALL CORP.
International Nuclear Corp.
INEXCO OIL CO.
International Paper Co.
International Paper Gas Pipeline Co.
39
International Petr. Resources Corp. 1972
PACIFIC ENERPRISES OIL CO. (USA)
InterNorth Inc., E&P Division
EOG RESOURCES, INC.
Intex Oil Co. 1968
Intratex Gas Co.
EOG RESOURCES, INC.
Inveco Holding, Inc.
KERRCO INC.
Investors Royalty Co., Inc. 1973
IOC EXPLORATION, INC.
Iowa/Illinois Gas & Electric Co.
MID-AMERICA ENERGY CO.
IP Petroleum Co., Inc.
IRION MOUNTAIN OIL CO.
Iron Sights Operating Inc
Island Oil & Exploration Co., Inc.
PENROSE PRODUCTION
ITR Petroleum, Inc. 1987
GENERAL ATLANTIC ENERGY CORP.
IWG Co 5
KCS RESOURCES, INC.
J M HUBER CORP.
J. C. Trahan Drilling Co.
J. D. WRATHER, JR.
J.E. Crosbie, Inc. 1951
KERR-MCGEE CORP
J.M. Guffey Petroleum Co. 1907
CHEVRON
J.P. Owen 1963
CONOCOPHILLIPS
J.R. Parten Estate
FARMERS OIL COMPANY
J.S. ABERCROMBIE MINERAL CO.
Jade Resources, Inc. 1991
Jaeger Energy Corp. 1984
U.S. RESOURCES INC.
Jay Oil Company
Jay Petroleum Inc
Jefferson Lake Sulphur Co.
JEM Petroleum Corp. 1985
PATRICK PETROLEUM CO,
Jeremiah Corp.
OCTOBER OIL CO.
Jergins Oil Co.
EXXON MOBIL CORP.
Jerry Chambers Exploration Co.
KERR-MCGEE CORP
Jerry Chambers Exploration Co.
AXEM RESOURCES, INC.
Jet Oil Co.
SOUTHWEST ROYALTIES INC. US OIL
JMG Oil & Gas
J-O'B OPERATING CO.
Jocelyn-Varn Oil Co.
VARN OIL CO.
John A. Bell, Jr. 1917
BP AMERICA
John A. Taylor Co. 1983
John G. Hammons Inc.
JGM COMPANY
JOHN P. MCNAUGHTON
Johnson Oil & Refining Co. 1956
CONOCOPHILLIPS
40
Johnson Oil & Gas Co.
CHEVRON CORP.
Johnston Ranch Royalty Co.
HESS CORPORATION
Jonell Gas
MCO RESOURCES, INC.
Jones & Pellow Oil Co. 1987 *
BOGERT OIL CO./LOUIS DREYFUS GAS
Jones-O'Brian
J-O'B OPERATING CO.
JOSEPH B. SINGER OIL COMPANY
managed by AVIVA
Journey Oil and Gas
JETTA APPLACHIAN COMPANY
JR Operating Inc.
Julian Potter Estate 1969
ILEX OIL CORP.
Juniper Oil & Gas 1967
DAMSON OIL CORP.
JUPITER CORP.
J-W OPERATING CO.
K. Jain & Associates
VENEX CORP.
K.R.M. Exploration, Inc. 1973
K. Stewart Petroleum
Kaiser Energy Inc. 1987
PRESIDIO OIL CO.
Kaiser Oil (U.S.) Lrd. 1984
Kalispell Glacier Park Company
CONOCOPHILLIPS
KANATA EXPLORATION OF WESTERN
Kaneb Oil & Gas Co.
Keneb Operating Co., Ltd. 1988 *
Kanex, Ltd.
KERRCO INC.
Kansas-Nebraska Natural Gas 1983
Kathol Petroleum, Inc.
Katz Oil
Kaycee Exploration Ltd. 1974
PACIFIC ENERPRICES OIL CO. (USA)
KCS Medallion Resources, Inc.
KCS RESOURCES, INC.
KCS Michigan Resources, Inc.
KCS RESOURCES, INC.
KCS Mountain Resources, Inc.
KCS RESOURCES, INC.
KCS RESOURCES, INC.
Keaton Oil & Gas Co. 1929
ASHLAND OIL CO.
Keba Oil & Gas Co. 1983
KEC Acquisition Corp.
Kee Exploration Inc. 1986
Keith Collins Petroleum Corp. 1985
Keith Oil Co. c1920
BP AMERICA
Kelley Oil Corp
SAMSON
Kellogg Oil Co. 1915
BP AMERICA
Kelso Fund 81 Trust
41
Kelso Funs 83-A Trust
Kelso-Lambert Royalty Co., Inc.
Kelso-Lambert Royalty Fund 1981
Kelso-Lambert Royalty Pool 1983-A
Kenai Oil & Gas Inc. 1984
Kennedy Mitchel, Inc. 1986
HARKEN OIL & GAS INC.
Keoghan-Hurst Drilling Co. 1928
CONOCOPHILLIPS
Kerlyn Oil Co. 1946
KERR-MCGEE CORP.
Kern County Land Co. 1967
see Tenneco Inc
Kerr, Jain & Associates
VENEX CORP.
KERRCO INC.
Kerrco, Ltd.
KERRCO INC.
KERR-MCGEE CORP.
Kerr-McGee North Am. Onshore Corp.-1996
DEVON ENERGY CORP.
Kerr-McGee Oil Industries 1965
KERR-MCGEE CORP.
Kerr-McGee Refining Corporation
CALUMET LUBRICANTS
Kerr-McGee Refining Coporation (Oklahoma
KERR-MCGEE ROCKY MOUNTAIN CORP.
NATURAL GAS CLEARINGSHOUSE
Kewanee Industries 1977
CHEVRON
Key Oil Company 1976
TOTAL E&P USA INC
KEY PRODUCTION COMPANY
Keystone, Inc.
KEYSTONE O&G TX (WY)(LA)(MULTI-
KFOC, INC.
KIMCO ENERGY CORP.
Kimmerer Oil
CHEVRON
King Ranch Oil & Gas, Inc. 1988 *
PRESIDIO OIL CO.
King Ranch, Inc.
ST. MARY LAND & EXPLORATION, INC.
King Resources Co. 1978
Kingbell Oil Co. 1912
Shell Oil Co.
King-Stevenson Gas & Oil Co. 1965
Kingwood Oil Co. 1971
Kirby Exploration Company of Texas
Kirby Fletcher Stamford
Kirby Oil & Gas Co. 1957
Kirby Petroleum Co. 1943 *
CONOCOPHILLIPS
Kirby Petroleum Co. 1988 *
KISKA OIL CO.
KLS Holdings
KERRCO INC.
KN Energy Inc. 1985
Koch Hydrocarbons
ONEOK
42
Koch Oil Co. (50%)
FLINT HILLS REOURCES LP
Koch Oil Co. (50%)
KOCH INDUSTRIES INC.
Koch, Fred C.
Koch, Mary R.
Koch Development Corporation
KP Exploration Inc. 1993
UMC PETROLEUM CORP.
KSA Industries 1974
K-T Oil Corporation 1982
TOTAL E&P USA INC
L & G Oil & Royalty Co.
HESS CORPORATION
L L & B COMPANIES
L L & B Resources
L L & B COMPANIES
L. G. Williams Oil Co. 1984
MATRIX ENERGY INC.
L. Noble
NOBLE ENERGY, INC. OIL CORP.
LaClare Petroleum Inc. 1985
THE MERIDIAN RESOURCES CORPORA-
Ladd Petroleum Corp. (Merger)
LAE Energy, Inc.
PETROHAWK RESOURCES CO.
LaGloria Oil & Gas 1957
NOBLE ENERGY, INC.
Lagorce Oil Co. 1969
APACHE CORP.
Laguna Petroleum
OXY USA WTP
Laird Oil & Gas, Inc. 1972
WAINOCO OIL CORP.
Lambert Exploration, Inc.
Lamson & Bennett
LAMSON/ONSHORE PETROLEUM CORP.
Landa Oil Co.
HESS CORPORATION
LANTERN PETROLEUM CORPORATION
LaPlata Associates, LLC
Larcon Oil Co.
HESS CORPORATION
Largo Drilling & Exploration Corp. 1972
TRANSCONTINENTAL OIL CO.
Lariat Petroleum
LARIO OIL & GAS CO.
Laser Oil Co.
KERR-MCGEE CORP
LASMO ENERGY CORP.
LATERRE DEVELOPMENT CORP.
Latigo Petroleum., Inc. (wholly owned subsidLaurel Royalty Co. 1972
LAVINO OIL & GAS CO.
Lawton Oil
EL PASO E&P CO., LP
Le Norman Loco, Inc
NOBLE ENERGY, INC
Le Norman Partners, LLC
NOBLE ENERGY, INC
Leader Development Corp. 1987
CLINTON GAS SYSTEMS, INC.
Lear Petroleum Corp. 1988
43
Lear Petroleum Prtnrs Operating Co. 1986
Leben Oil Corp.
LeCuno Oil Corp.
HESS CORPORATION
Lee M. Bass, Inc.
LMBI O&G TX (WY)(LA)(MULTI-STATE)
Leede Exploration Co. 1978
CONOCOPHILLIPS
Leidy Prospecting Co. 1953
CHEVRON
LENORMAN ENERGY CORP.
Leonard Oil
see Tenneco Inc
Lewcinda Oil & Gas Co. 1917
CONOCOPHILLIPS
Lewis Production
CHEVRON
Liberty North America, Inc. 1988
PRESIDIO OIL CO.
Liberty Oil & Gas Corp. 1988 *
PRESIDIO OIL CO.
Limark Corporation
NORTHSTAR OPERATING CO.
Limited Oil Co. 1936
EXXON MOBIL CORP.
Limpia Royalty 1962
CHEVRON
Lindenmuth and Associates
L L & B COMPANIES
Lindy Petroleum Co. 1982
PATHFINDER PETROLEUM CORP.
LINGEN OIL & GAS INC.
Link Energy, LLC
PLAINS ALL AMERICAN PIPELINE, LP
Lion Oil Co. 1955
LION OIL TRADING & TRANSPORTA-
Lion Oil Company
Lion Oil Refining Company 1945
LION OIL TRADING & TRANSPORTATION,
Lipan Oil Co.
ENCANA ENERGY
Logan & Barton
CHARLIE BARTON
Lomak Energy Co.
RANGE ENERGY I, INC.
Lomak Energy Services Co.
RANGE ENERGY SERVICES CO
Lomak Gas Co.
RANGE GAS CO
Lomak Gathering & Pros. Co.
RANGE GATHERING & PROS. CO
Lomak Offshore LP
RANGE OFFSHORE LP
Lomak Operating Co.
Lomak Petro. (Ohio) Inc.
Lomak Petroleum Inc.
RANGE RESOURCES CORP.
Lomak Pipeline Systems LP
RANGE PIPELINE SYSTEMS LP
Lomak Production Co.
RANGE PRODUCTION CO.
Lomak Production I LP
RANGE PRODUCTION I LP
Lomak Resources Co.
Lomak Resources LLC
RANGE RESOURCES LLC
Lomita Gasoline Company
CHEVRON U.S.A. INC.
Lone Star Production Co.
NEWFIELD EXPLORATION GULF
Long-Bell Petroleum Company, Inc.
44
Longhorn Oil & Gas
Longview Energy General Partners Inc.
Longview Gas Company
Longview Production Company
Lorena Oil Co.
CHEVRON
Los Angeles Oil & Refining Co. 1915
BP AMERICA
Los Nietos Co. 1959
CHEVRON CORP.
Lou-Can Oil & Gas, Inc.
Louis Dreyfus Natural Gas Corp.
DOMINION EXPLOR. & PROD., INC.
Louisiana Land & Exploration Co
CONOCOPHILLIPS
Louisiana Minerals, Ltd.
PETER PAUL PETROLEUM CO., GEN.
Louisiana-Hunt Petroleum
HUNT PETROLEUM CORPORATION
Love Petroleum Co.
SOUTHWEST ROYALTIES, INC.
LPI Acquisition Inc.
RANGE ACQUISITION INC.
LPI Operating Co
RRC OPERATING CO
LRF Corp
LUCK PETROLEUM CORP.
LVO Corp. 1974
Lyco Energy Corporation
ENERPLUS RESOURCES (USA) CORP.
M & M Production
see Tenneco Inc
M.R. YOUNG
MacDonald Oil Corp. 1975
DEVON ENERGY
Madison Pipe Line Company
FARMERS OIL COMPANY
Madiion Resources 1985
DEVON ENERGY
MAGIC CIRCLE ENERGY CORP.
Magic Circle Oil Co. 1980
Magna Oil Corp.
HESS CORPORATION
Magness Petroleum Co.
Magnolia Petroleum Co. 1959
EXXON MOBIL CORP.
Magnum-Hunter Production, Inc.
CIMAREX ENERGY CO
Maguire Energy Company
MAGUIRE OIL COMPANY
MAGUIRE OIL COMPANY
Mainland Oil & Minerals, Inc.
MAINLAND RESOURCES, INC.
MAINLAND RESOURCES, INC.
Majestic Resources, Inc. 1981
ALTA ENERGY CORP.
Malco Refining
BP AMERICA
Malka Production Co. 1978
CONOCOPHILLIPS
Mallon Oil Co.
BLACK HILLS GAS RESOURCES, INC.
MAPCO, Inc. 1985
Maplewood Glacier Park Company
CONOCOPHILLIPS
MAPP Exploration Inc. 1983
BELCOR, INC.
45
Marathon Oil Co. 1982
Marathon Petroleum Co.
MARINE PROPERTIES, INC.
MARINER ENERGY, INC
APACHE CORP.
Marion Corp. 1987 *
Mark Resources Corp.
Marland Oil Co. 1929
CONOCOPHILLIPS
Marline Petroleum Corp. 1985
DEVON ENERGY
Marrs McLean 1931 *
BP AMERICA
MARTIN EXPLORATION CORP.
Maryland Oil Corp.
see Tenneco Inc
Masai Minerals, Ltd.
HESS CORPORATION
Masters Energy Corp. 1986
HARKEN OIL & GAS INC.
Matador Petroleum Co. 1922
Shell Oil Co.
Matador Petroleum Corp.
ENCANA OIL & GAS USA, INC.
MATADOR RESOURCES CO.
Matagorda Bay Pipeline, Inc.
Matagorda Drilling & Expl. Co. 1982
CONVEST ENERGY CORP.
Matagorda Island Development Corp. 1992
Matagorda Island Exploration Corp. 1992
Matagorda Pipeline Partnership
MATRIX ENERGY INC.
Maverick Consulting Co.
KFOC, INC.
Maxus Energy Company
MIDGARD ENERGY COMPANY
Maxus Exploration Company
May Energy Partners 1987
QUINOCO CO.
May Petroleum Inc. 1987 *
ENERGY DEVELOPMENT PARTNERS
Mayfair Minerals, Inc.
see Tenneco Inc
Maynard Oil Co.
FOREST OIL CORP.
Maynard Oil Co. - Southern Oklahoma PropMayo
LAMAMCO DRILLING CO.
FRAZIER
Maze Energy Corporation
Maze Exploration, Inc.
Maze-A 1983 Limited
MB Operating Co Inc.
McAlester Fuel Co. 1983
UNIMAR CORP.
McClure Oil 1960
McColl-Frontenac Oil Co., Ltd. 1948
CHEVRON
McCollum Exploration Co.
WESTERN GEOPHYSICAL
MCCRARY, AN OKLAHOMA LP
mangaged by AVIVA
46
McCulloch Energy, Inc.
HARKEN ENERGY COMPANY
McCulloch Oil & Gas Corp.
UMC PETROLEUM CORP.
McCulloch Oil Corp. of Texas
UMC PETROLEUM CORP.
MCFARLAND ENERGY INC.
McFarlane Oil Co., Inc.
McGowen Exploration Co. 1984
McGrath & Smith
See Smith & McGrath
McKee Petroleum Corp. 1976
EXXON MOBIL CORP.
McMan Oil & Gas Co. 1931
BP AMERICA
McMoRan Oil & Gas Co. 1981
MCN Energy Enterprises
SUNDOWN ENERGY INC.
MCN EXPLORATION
MCN Investment Corp
SUNDOWN ENERGY INC.
MCN Oil & Gas Co.
SUNDOWN ENERGY INC.
MCNIC Enhanced Prod
SUNDOWN ENERGY INC.
MCNIC Midcontinent Properties
SUNDOWN ENERGY INC.
MCNIC Oil & Gas Midcontinent, Inc.
SUNDOWN ENERGY INC.
MCNIC Oil & Gas Properties
SUNDOWN ENERGY INC.
MCNIC Oil and Gas Company
SUNDOWN ENERGY INC.
MCO Resources, Inc.
UMC PETROLEUM CORP.
MCOR Oil & Gas Corp. 1980
UMC PETROLEUM CORP.
MC Panhandle Inc.
McPet 1971
APACHE CORP.
MCR Oil Corp. of Texas 1980
UMC PETROLEUM CORP.
McRae Consolidated Oil & Gas, Inc. 1983
McRae Oil & Gas
CHEVRON
MDF Technology, Inc.
CONOCOPHILLIPS
MDU Resources Group Inc.
FIDELITY OIL CO.
Meadowview, Inc.
Medallion
MEDALLION CALIFORNIA PROPERTIES
Medallion Gas Services, Inc.
KCS RESOURCES, INC.
Medallion Production Co.
KCS RESOURCES, INC.
Medicine Bow Operating Co.
Mendota Oil Co. 1969
APACHE CORP.
Merger Corporation 1948
Henderson Clay Products
Meridian Aggregates Company
CONOCOPHILLIPS
Meridian Gold Company
CONOCOPHILLIPS
Meridian Industrial Minerals Co.
CONOCOPHILLIPS
Meridian Minerals Company
CONOCOPHILLIPS
Meridian Oil Co
CONOCOPHILLIPS
47
Meridian Oil Frontera
CONOCOPHILLIPS
Meridian Oil Gathering Inc.
CONOCOPHILLIPS
Meridian Oil Inc. (Wisconsin)
CONOCOPHILLIPS
Meridian Oil Marketing
CONOCOPHILLIPS
Meridian Oil Offshore Acquisition Co.
CONOCOPHILLIPS
Meridian Oil Offshore Inc.
CONOCOPHILLIPS
Meridian Oil Pipeline Inc.
CONOCOPHILLIPS
Meridian Oil Production Inc.
CONOCOPHILLIPS
Meridian Oil Production Inc. (Wisconsin)
CONOCOPHILLIPS
Meridian Oil Services Inc.
CONOCOPHILLIPS
Meridian Oil Storage
CONOCOPHILLIPS
Meridian Oil Trading Inc.
CONOCOPHILLIPS
Meridian Oil Transportation Inc.
CONOCOPHILLIPS
Meridian Petroleum Holding Inc.
CONOCOPHILLIPS
Meridian Power Inc.
CONOCOPHILLIPS
Merlin Petroleum Co. 1989 *
GULF EXPL CONSULTANTS INC.
Merrico Acquisition 1987-NYL
Merrit Oil 1928
CONOCOPHILLIPS
Mesa Limited Partnership *
Mesa Operating Co.
Mesa Petroleum Co.
MGF Drilling Co.
MGF Mansfield, Inc.
MGF Oil Corp. 1/94
MGF Production Co.
MGF Supply Co.
MGS Development Co.
SUNDOWN ENERGY INC.
Mid Louisiana Gas Company 1987
BASF CORP/WINTERSHALL ENERGY
Mid-American Investment Corporation
Mid-American Petroleum, Inc 1986
HUNTER RESOURCES, INC.
MidCon Exploration Co. -Gulf Coast 1986
DAVIS OIL CO. (DAVIS PETRO CORP.)
MidCon Exploration Co. -Gulf Coast 1986
APACHE CORP.
Midcontinent Acquisition Properties
SUNDOWN ENERGY INC.
Mid-Continent Petroleum Corp. 1955
SUNOCO PARTNERS MKTG & TERMI-
Middle Bay Oil Co., Inc.
Middle States Petroleum 1958
see Tenneco Inc
Mid-Gulf Drilling Corp.
RANGE ENERGY CORP.
Midhurst Oil Corp.
ASHLAND OIL CO.
Mid-Kansas Oil & Gas Co. 1916
48
Midland Oil Company 1961
Midlands Energy Co. 1984
Mid-Tex Oil & Gas
GROVE OIL & GAS
Midway Oil Co. 1905
Midway Six Oil Co. 1910
BP AMERICA
Midwest Exploration Co. 1930
BP AMERICA
Midwest Oil Co. 1974
BP AMERICA
Midwest Production Co. 1958
Midwest Refining Co. 1921
BP AMERICA
Midwest Resources, Inc.
MILAGRO EXPLORATION
Mile High Properties Inc.
Miles Petroleum Inc
Milestone Petroleum, Inc. 1985
CONOCOPHILLIPS
Millane, Inc. (Assets)
IMPERIAL OIL COMPANY OF CALIFOR-
Millican Oil Co.
Minatome Corp. 1987 Name Change Only
Minden Oil & Gas Inc. 1985
CASTLE ENERGY CORP.
Minnehoff Oil Co. 1912
Shell Oil Co.
Minnehoma Oil Co.
CHEVRON
Mission Development
CHEVRON
Mission E & P, LP
Mission Holdings, LLC
MISSION RESOURCES PARTNERS LP
Mission Resources Corp.
Mission Resources Inc. 1987
MISSION RESOURCE PTNR LP
Mississippi River Corp.
NATURAL GAS & OIL
MISSOURI RIVER LP
managed by AVIVA
Mistal, Inc.
TOTAL E&P USA INC
Mitchell & Mitchell Gas & Oil Corp. 1971
DEVON ENERGY
Mitchell Energy
DEVON ENERGY
MKI ENERGY, INC.
Mobil Oil Corporation
Mobil Seeligson
Mobil-GC
Moha Petroleum Okla., Inc.
CHESAPEAKE ORC, LLC
Mohawk Petroleum
PETER BOSCH
Monarch Royalty Corp. 1959
DEVON ENERGY
MONCRIEF OIL INTERESTS
Monday Oil Co. 1946
CHEVRON
Monsanto Company 1972
49
Monsanto Oil Co. 1986
Montana Power Co.
ENCANA ENERGY
Montara Petroleum Co.
NORD-MONTARA PETROLEUM CO.
Monte Carlo Exploration Inc.
REBEL EXPLORATION INC.
Montecito Corp.
FORCHALL OIL
Montejas Energy Resources, Inc. 1984
Monterey Oil Co. 1960
EXXON MOBIL CORP.
Montex Exploration Co. 1957
Montoya Oil Co. 1952
FELMONT OIL CORP.
Moore McCormack Energy, Inc. 1988
MORAINE PRODUCTION LTD.
Moran Energy Inc. 1984
Morgan Development, Inc.
KERR-MCGEE CORP.
Morgan Gulf Co.
BP AMERICA
Morgan Resources, Inc.
KERR-MCGEE CORP.
Mormac Energy Corp. 1983
ENCINO ENERGY & DEV CORP.
Moseley Petroleum Co.
HESS CORPORATION
MOSS PETROLEUM
Mound Co. 1963 *
Mountain & Plains Oil Co. 1980
DEVON ENERGY
Mountain Front
RANGE RESOURCES
Mountain Fuel Supply 1985
QUESTAR CORP.
Mountain States Oil Co. 1919
CONOCOPHILLIPS
Moxa Energy Corp. 1984
ILEX OIL CORP.
M-R Holdings Acquisition Company
CONOCOPHILLIPS
M-R Holdings Inc.
CONOCOPHILLIPS
M-R Holdings Inc. No 1
CONOCOPHILLIPS
CONOCOPHILLIPS
CONOCOPHILLIPS
CONOCOPHILLIPS
CONOCOPHILLIPS
CONOCOPHILLIPS
CONOCOPHILLIPS
MRT Exploration Co. 1983
Mt. Diable Corp. 1964
CHEVRON
MTrust Corp., N.A.
AMERITRUST TEXAS, N.A.
Multistates Oil Properties
Murchison Trusts 1957
Murphy Oil Company
CHEVRON U.S.A. INC.
MURPHY OIL CORP.
Murvale Company/Murvale Oil Company
CHEVRON U.S.A. INC.
50
Muskeg Oil Co.
BP AMERICA
Mutual Oil Co. 1928
CONOCOPHILLIPS
MW Petroleum Corp.
APACHE CORP.
MWJ Producing Co.
OCOTILLO
MWJR Petroleum Corp.
APACHE CORP.
N.G. Penrose
PENROSE PRODUCTION CO.
NAFCO Oil & Gas, Inc.
CHEVRON
NANCE PETROLEUM CORPORATION
Nanome Aggregates Inc.
CONOCOPHILLIPS
NARECO Corporation
Nat Hunter Producing Co. 1931
BP AMERICA
National Energy Group, Inc.
National Exchange, Inc.
CONOCOPHILLIPS
NATIONAL FUEL GAS CO.
National Oil Co. 1974
Shell Oil Co.
National Oil Co. 1985
FREEMONT ENERGY CORP.
National Petroleum Co. 1915
BP AMERICA
National Petroleum Corp. of Tampa 1960
MURPHY OIL CORP.
Natol Petroleum Corp.
DAMSON OIL CORP.
Natomas Co. 1983
MAXUS ENERGY CORP.
Natomas North America
MAXUS EXPLORATION
Natomas North America
APACHE CORP.
NATURAL GAS & OIL
Natural Gas and Oil Corporation *
TOTAL E&P USA INC
Natural Gas Clearinghouse
TARGA RESOURCES
Natural Gas Producing Co. 1983
EXXON MOBIL CORP.
Natural Reserves Inc. 1984
AMERICAN RESOURCES INC.
Natural Resource Management Corp
Sandridge Energy
Natural Resources Corp. of Texas
Natural Resources Corporation
Navarro Oil Co.
CONOCOPHILLIPS
Navidad Oil & Gas Co.
BOLTEX OIL & GAS CO.
NCI-Shawnee, LP
Neely & Neely
IRION MOUNTAIN OIL CO.
NEG Oil & Gas LLC
Nelson Petroleum Co.
NELSON R. THOMAS
NERCO OIL & GAS
NEUMIN PRODUCTION CO.
New Britain, Ltd
51
New York Life Oil & Gas Production Partner-
NEWFIELD EXPLORATION GULF COAST,
Newmark Resources 1977
TRINITY RESOURCES, INC.
NEWMONT OIL CO.
Newmont Oil Co. 1988 *
EXXON MOBIL CORP.
NFC Petroleum Corp.
NGC Energy Company 1989
NIKLOS OIL & GAS CO.
Niklos Oil & Gas Co. 1987
Ninian Oil Co. 1989
Ninian Oil Finance Corp.
Ninian Oil Holding Company
Noarko Resources Inc. 1986
Noble Energy Production, Inc.
NOBLE ENERGY, INC.
Nor-Am Exploration Corp.
RED EAGLE RESOURCES CORP.
Noram Petroleum, L.L.C.
CHAPARRAL ENERGY, L.L.C.
NORD-MONTARA PETROLEUM CO.
Nordon Oil Corp. 1969
Norfitt
Norfolk Energy Inc. 1993
UMC PETROLEUM CORP.
NORMANDY OIL & GAS CO.
Nortex Gas & Oil Co. 1983
EOG RESOURCES, INC.
North American Oils Consolidated 1950
CONOCOPHILLIPS
North American Resources Corp.
ENCANA ENERGY
NORTH AMERICAN ROYALTIES, INC.
North Block Gas
North Central Oil Corp.
North Star
JOHN P. MCNAUGHTON
North Timbers Oil, LP
XTO ENERGY INC.
Northeast Energy Development Corp.
GREAT AMERICAN RESOURCES, INC.
Northern Michigan Exploration Co.
NEWFIELD EXLP MID-CONTINENT INC.
Northern Natural Gas Co., E&P Division
EOG RESOURCES, INC.
Northern Plains Railroad Company
CONOCOPHILLIPS
Northern Rockies Pipe Line Co.
CONOCOPHILLIPS
Northlander Oil Company 1974
TOTAL E&P USA INC
NORTHSTAR OPERATING CO.
NORTHSTAR RESOURCES, INC.
Northwest Energy 1983
WILLIAMS EXPLORATION CO.
Northwest Exploration Company 1986 *
TOTAL E&P USA INC (50%)
Northwest Production Corporation
CONOCOPHILLIPS
52
Norwalk Oil Co. 1950
CONOCOPHILLIPS
Nova Petroleum Corp. 1985
NOVA RESOURCE, INC.
NOVA RESOURCE, INC.
Noyly Development Co. 1953
CHEVRON
NRM Operating Company, L.P.
NRM Petroleum Corp.
Nucorp Energy Inc.
Nuevo Energy Corp.
PLAINS E & P CO.
NUGGET OIL CORP.
NUMAC RESOURCES
Nu-West Dvlpmt. (U.S. Assets) 1984 *
FREEPORT-MCMORAN
Nu-West Dvlpmt. (U.S. Assets) 1984 *
Nylife Resources Inc.
O.A. Sutton 1962
CHEVRON
O.G.I. Oil & Gas, Inc. 1984
DEVON ENERGY
OCCIDENTAL OIL & GAS CORP.
OCCIDENTAL PERMIAN LP (SEE OXY)
OCCIDENTAL TRANSACTION 1, LLC
OCEAN DRILLING & EXPLORATION CO.
Ocean Energy Inc. (Houston)
Ocean Oil & Gas
OCEAN DRILLING & EXPLORATION CO.
Oceana Exploration Co LC
VICTORY ENERGY PARTNERS LLC
Oceanic Oil
PRODUCING PROPERTIES
Ocelot Oil Co.
EOG RESOURCES, INC.
OCOTILLO
OCTOBER OIL CO.
Odessa Natural Corp.
CONOCOPHILLIPS
Odessa Natural Gasoline Company
CONOCOPHILLIPS
Odessa Pipeline Company
CONOCOPHILLIPS
Odyssey Energy Inc. 1984
TRAFALGAR HOUSE OIL & GAS INC.
Odyssey Petroleum Co.
Odyssey Petroleum Company
Offshore Exploration Oil Co.
OXOCO INC.
Ohio L & M Co., Inc. 1988
ALLIANCE PETROLEUM CORP.
Ohio Oil Co. 1962
Oil & Gas Properties
CHEVRON
Oil Center Operating Inc.
PENT ENERGY, LLC
OIL CITY PETROLEUM INC.
Oil Development Co. of Texas 1978
Oil Development Co. of Utah 1978
53
Oil Drilling, Inc 1963
DEVON ENERGY
Oil State Petroleum Co. 1922
Oilman's Properties, Inc.
ALAMEDA ENERGY, INC.
Oklahoma Natural Gas Co.
Oklahoma Pacific, Ltd.
Old Dominion Oil Corp. 1983
Old Maynard Corporation
Old Ocean Oil Co. 1954
BP AMERICA
Oleum Incorporated
MAXUS EXPLORATION
Olin Oil & Gas Corp. 1962
EXXON MOBIL CORP.
OLIX ENERGY
Olix Industries, Inc. 1981
DEVON ENERGY
Olsen & Jal
Olympia Drilling Programs 1980
One Liberty Oil Co. 1988
ONEOK Beta Co.
TXOK ENERGY RESOURCES CO.
ONEOK Energy Resources Co.
ONEOK Exploration Co.
CHESAPEAKE ORC, LLC
ONEOK Resources Co.
CHESAPEAKE ORC, LLC
ONEOK Exploration Co. 1980
Onshore Exploration
Onyx Oil Co. 1981
DEVON ENERGY
Orbit Energy, Inc.
ORBIT PETROLEUM, INC.
ORIGINALA PETROLEUM CORP.
Orion 1981 Royalty Fund, Ltd.
Orion Louisiana Royalty Fund
Orion Petroleum, Inc.
Orion Petroleum, Ltd.
ORS CORP.
Oryx Energy Company
KERR-MCGEE CORP. ONSHORE LP
Osage Milestone Petroleum
CONOCOPHILLIPS
Osage Oil Co.
CONOCOPHILLIPS
Osage Oil Co. 1901
Osmond Oil Company 1968 Dissolved
TOTAL E&P USA INC
Overland Energy, Inc. 1983
EAGLE EXPLORATION CO.
Overthrust Resources, Ltd. 1986
POLARIS RESOURCES, INC.
Owl Petroleum Co. 1986
Oxley Petroleum
CHESAPEAKE ORC, LLC
OXOCO INC.
OXY RESOURCES CALIFORNIA, LLC
54
OXY USA INC.
OXY USA WTP, LP
P & O Oil Corp. 1980
CONOCOPHILLIPS
Pacific Energy Investments, Inc.
KERR-MCGEE CORP.
Pacific Energy Investments, N.V.
KERR-MCGEE CORP.
Pacific Energy Ventures
KERR-MCGEE CORP.
Pacific Enterprises ABC Corp.
PEC MINERALS, LP
Pacific Enterprises Oil & Gas
HUNT OIL COMPANY
Pacific Enterprises Oil Co. (USA)
HUNT OIL COMPANY
Pacific Enterprises Roy. Co. 1990
Pacific Enterprises Royalty Company
SABINE ROYALTY TRUST
Pacific Federal Ventures
KERR-MCGEE CORP.
Pacific Lighting Oil & Gas 1987
PACIFIC ENTERPRISES OIL & GAS
Pacific Oil & Gas Development Corp.
CALLON PETROLEUM CO.
Pacific Union
TEXAS AMERICAN OIL CORP.
Pacific Western Oil Corp. 1956
CHEVRON
Packaging Research Corporation 10/93
Paladin Petroleum Corp. 1987 *
ENERGY DEVELOPMENT PARTNERS
Palm Petroleum Corp.
DAMSON OIL CORP.
Palmer Oil Co.
see Tenneco Inc
Pan American Petroleum Corp.
BP AMERICA
Pan Ocean Oil Corp. 1976
Pan Oil Co. 1972
DAMSON OIL CORP.
PanCanadian Energy Corp.
ENCANA CORP.
PanCanadian Energy Holdings, Inc.
ENCANA ENERGY HOLDINGS, INC.
PanCanadian Energy Resources, Inc.
ENCANA ENERGY RESOURCES, INC.
Pan Canadian Energy Services Inc.
ENCANA ENERGY SERVICES INC.
PanCanadian Gulf of Mexico, Inc.
ENCANA GULF OF MEXICO
PanCanadian Heritage Lands
ENCANA HERITAGE LANDS
PanCanadian Midstream, Inc.
ENCANA MIDSTREAM INC.
PanCanadian Midstream, Ltd.
ENCANA MIDSTREAM, LTD
PANCANADIAN PETROLEUM CO.
PanCanadian Resources
ENCANA RESOURCES
PanEnergy Field Services, Inc.
DUKE ENERGY FIELD SERVICES, INC.
Pan Energy Transport and Trading Co.
TEPPCO CRUDE OIL LP
Pangea Petroleum Co. 1987
HARCOR ENERGY, INC.
Panhandle Eastern Exploration Co. 1987
Panhandle Oil Corp. 1956
TOTAL E&P USA INC
Pantano
WESTERN
Panterra Petroleum
NANCE PETROLEUM CORP.
Paova Oil Co. 1912
Shell Oil Co.
55
Paraffine Oil Co.
EXXON MOBIL CORP.
Paraffine Oil Corp. 1981
Parallel Petroleum Corporation
PARALLEL PETROLEUM LLC
Park Oil & Gas Inc.
Parker & Parsley Petroleum Co.
Parker Oil
Parrent Oil & Gas 1983
QUADRANT RESOURCES INC.
Parris Oil Co. 1912
Shell Oil Co.
Parten Operating Inc.
FARMERS OIL COMPANY
PARTNERS OIL CO.
Pasco Oil Properties 1975
BP AMERICA
Pate Oil Co. 1959
EXXON MOBIL CORP.
PATHFINDER PETROLEUM CORP.
Patina BNR Corporation
NOBLE ENERGY, INC.
Patina Oil & Gas Corporation
NOBLE ENERGY, INC.
Patina Oklahoma Corp.
NOBLE ENERGY, INC.
Patina San Juan Incorporated
NOBLE ENERGY, INC.
PATRICK PETROLEUM CO.
Patrick Petroleum Co. 1984 *
Patrick Petroleum Corp.
UNIT PETROLEUM CORP.
Patrick-Bayou Resources
UNIT PETROLEUM CORP. (50%)
Patrick-Bayou Resources
Pauley Petroleum Inc. 1987
HONDO OIL & GAS CO.
Pauline P Lambe
Pax Investment Corp.
HESS CORPORATION
P'Bell Energy Co.
SUNDOWN ENERGY INC.
PCTC - Oregon, Inc.
CONOCOPHILLIPS
PCTC - Skykomish, Inc.
CONOCOPHILLIPS
PCTC, Inc.
CONOCOPHILLIPS
PCU Inc. of Texas 1985
LUCK PETROLEUM CORP.
Peachtree Production Co.
Peake Petroleum Co. 1964
Pecos Company
CONOCOPHILLIPS
Pecos Exploration
Peerless Oil & Gas
PRIMARY FUELS, INC.
Peerless Oil Corporation 1966
Pel-Tex Co., Inc. 1986
FREEPORT-MCMORAN
Pelto Oil Co. 1989
Pend Oreille Oil & Gas Corp.
PENINSULA RESOURCES CORP.
PENN VIRGINIA CORP.
56
Penn Virginia MC Energy, LLC
PENN VIRGINIA CORP.
Pennmark Operating Company
PENNMARK RESOURCES COMPANY
Pennmark Production Company
ELAND ENERGY, INC.
PENNMARK RESOURCES COMPANY
Penntex Petroleum Co.
CHEVRON
Pennzenergy
DEVON ENERGY
Pennzoil Exploration & Prod. Co.
DEVON ENERGY
Pennzoil Producing Co.
DEVON ENERGY
PENROSE PRODUCTION CO.
PENT ENERGY, LLC
Permian Basin Trust
CONOCOPHILLIPS
Permian Resources Holding Inc.
Perot Family Trust
Perry R. Bass, Inc.
CHISHOLM TRAIL VENTURES, LP
Perry R. Bass, Trustee
BMT O&G (WY)(LA)(MULTI-STATE) L.P.
PETER BOSCHE
Petex-Wiser Corporation
THE WISER OIL CO.
Petra Resources, Inc 1986
MUSTANG RESOURCES CORP.
Petro Gas Producing Company 1978
TOTAL E&P USA INC
Petro Search Alpha Ltd. Series 1973-l
HESS CORPORATION
Petro Search Exploration Corp.
HESS CORPORATION
PETRO SOURCE PARTNERS LTD.
Petro-Atlas 1958
TOTAL E&P USA INC
PETRO-CANADA RESOURCES USA INC.
PetroCorp Acquisition Co.
UNIT CORP.
Petrocorp, Inc.
UNIT CORP.
Petrodel Exploration, Inc. 1988
PETROFINA DELAWARE, INCORPO-
Petro-Dynamics, Inc. 1973
HESS CORPORATION
PETROFINA DELAWARE, INCORPORATED
Petrofina Exploration, Inc. 1985
TOTAL E&P USA INC
PETROFINA GAS PIPELINE COMPANY
Petrofina Trading Service, Lt. 1987
TOTAL E&P USA INC
Petroleum Corp. of Texas
DAMSON OIL CORP.
Petroleum Corp. of Texas 1984
Petroleum Development Corp (Dallas) 1986
PRESIDIO OIL CO.
Petroleum Exploration
THE WISER OIL CO.
Petroleum Exploration, Inc. 1964
Petroleum Resources Company 9/94
BISON ENERGY CORP.
Petroleum Technical Services
FOREST OIL CORP.
Petro-Lewis Corp. 1987
FPCO OIL & GAS CO.
57
PETROMARK RESOURCES CO.
Petrominerals Corp. 1986
MCFARLAND ENERGY INC.
PetroTide, Ltd.
PetroTiger I, II, III, Ltd.
PetroVentures Expl. Co.
SUNDOWN ENERGY INC.
Petrus Oil Company
Peyton Oil & Gas, Inc.
PEYTON HOLDINGS CORP.
Peyton Holdings Corp.
PEYTON ROYALTIES, LP
PG&E Resources Company
Phillips Oil Co.
CONOCOPHILLIPS
Phillips Petroleum Co.
CONOCOPHILLIPS
Phoenix Oil Co. 1901
PHOENIX OPERATING CO.
Phoenix Resources Co. 1982
Phoenix Resources, Inc. 1987
PICKENS ENERGY CORPORATION
Pickens Financial Group, Ltd.
Pickens Resource Corp.
Piedmont Petroleum
SOUTHWESTERN PRODUCTION CORP.
Pierce Petroleum Corp. c.1930
BP AMERICA
Pilgrim Drilling Co.
Pilgrim Exploration Corp.
AMERICAN ENERGY EXPLORATION
Pin Oak Petroleum, Inc.
Pinaga Inc. 1986
Pincher Creek Ranch
CONOCOPHILLIPS
PIONEER NATURAL RESOURCES USA INC.
Pioneer Oil Company
CHEVRON U.S.A. INC.
Pioneer Production Corp. 1986
Placer Energy Corp.
EAGLE OIL & GAS CO
Placid Oil Co.
OCCIDENTAL
Plains Exploration & Production Company
FREEPORT-MCMORAN OIL AND GAS
PLAINS MARKETING, LP
Plains Petroleum Co.
WILLIAMS PRODUCTION RMT CO
Planet Oil & Mineral Corp. 1975
PLANTATION PETROLEUM ACQUISITION
Platco Corp. 1967
Plateau Petroleum, Inc. 1984
DEVON ENERGY
Plato
DEVON ENERGY
Plaza Petroleum Inc. 1973
BROCK EXPLORATION CORP.
Plum Creek Timber Company
CONOCOPHILLIPS
58
Plymouth Oil Co. 1962
PMOG Holdings, Inc.
RANGE RESOURCES
Pogo Energy, Inc.
Pogo Panhandle 2004, LP
Pogo Producing (Texas Panhandle) Co.
POLARIS RESOURCES INC.
Pollack Petroleum Inc. 1984
HARCOR ENERGY, INC.
Polumbus Co.
Poppy Oil Co. 1954
CONOCOPHILLIPS
Porta-Bello, Inc. 1981
Posse Petroleum, Ltd.
Post Petroleum Co., Inc. 1988 *
PRESIDIO OIL CO.
Potestas Corporation
Power Resources 1985
NOVA RESOURCE, INC.
PPPCo.One Oil Company, Ltd.
Prado Oil Co. 1965
Prairie Oil & Gas Co. 1932
BP AMERICA
Prairie Producing Company
UNION OIL CO. OF CALIFORNIA
Precise Exploration Corp. 1973
BROCK EXPLORATION CORP.
Presidio Exploration
PRESIDIO OIL COMPANY
PRESIDIO OIL CO.
Presidio Operating Co.
E.E. NEARBURG
Presidio West Virginia
PRESIDIO OIL COMPANY
Preston Oil
HUNT PETROLEUM (AEC), INC.
Prima Energy Corp.
PETRO-CANADA RESOURCES USA INC
Prima Oil & Gas Co.
PETRO-CANADA RESOURCES USA INC
PRIMARY FUELS, INC.
Primary Natural Resources, Inc.
Princeville Corporation 1977
Pine Mountain
RANGE RESOURCES
Prize Energy
MAGNUM-HUNTER RESOURCES, INC.
Prochemco
HESS CORPORATION
Producers & Refiners Corp. 1934
BP AMERICA
Producers Oil Co. 1917
CHEVRON
PRODUCING PROPERTIES
Program Acquisition Co.
Progress Petroleum
Shell Oil Co.
Proton Energy, Inc.
PRS Offshore, Inc.
Prudential Drilling Co. 1986
Prudential Minerals Exploration Corp.
59
Prudential Minerals Inc.
CONOCOPHILLIPS
Prudential Oil & Gas Co. 1987
Prudential-Bache (Partial Buyout) 11/93
DOMINION OKLA. TEXAS EXPLOR. &
PSEC, Inc.
CHESAPEAKE ORC, LLC
Pubco Petroleum Corp. 1973
Publishers Petroleum 1979
CONOCOPHILLIPS
Pure Oil Co. 1965
CHEVRON CORP.
Pure Resources, LP
PYRAMID OIL CO.
PYRO ENERGY CORP.
QUADRANT RESOURCES INC.
Quaker Oil Co. 1919
ASHLAND OIL CO.
Quanah Petroleum Inc. 1983
DEVON ENERGY
QUEENSTOWN OIL AND GAS, INC.
managed by AVIVA
QUEENSTOWN ROYALTY COMPANY LP
managed by AVIVA
QUEENSTOWN ROYALTY II LP
managed by AVIVA
Questa Oil & Gas Co.
UNIT CORPORATION
Questar Corp.
QEP ENERGY COMPANY
Questar Exploration & Production
QEP ENERGY COMPANY
Quinoco Petroleum, Inc. 1989
CHEVRON
Quinstar Oil Inc. 1984
Quintana Petroleum Corp. (LA Properties)
CONOCOPHILLIPS
Quintana Petroleum Corp. (TX Properties)
HILCORP ENERGY COMPANY
Quintuple Oil Co. 1912
Shell Oil Co.
R. Hailey
CONOCOPHILLIPS
R.W. Fair Foundation 1975 *
TOTAL E&P USA INC
R.L. Burns Corp. 1981
PYRO ENERGY CORP.
R.T. Collier Corp. 1957
CHEVRON CORP.
Rainbow Pipe Line Company
FARMERS OIL COMPANY
Rainbow Resources, Inc. 1978
Ralph Nix Oil Co.
RALPH NIX, A PARTNERSHIP
RALPH NIX, A PARTNERSHIP
RAM Energy, Inc.
Halcon Holdings, Inc.
Ramco Operating Co.
RAM ENERGY INC
Ramco-NYL 1987 Ltd. Part.
RAM ENERGY INC
RANGE ENERGY I, INC.
RANGE ENERGY SERVICES CO.
RANGE GAS CO
RANGE GATHERING & PROS. CO
RANGE OFFSHORE LP
60
Range Operating Co.
RANGE PIPELINE SYSTEMS LP
RANGE PRODUCTION CO
Range Resources Dev. Corp.
RANGE RESOURCES LLC
Ranger
FRAZIER
RATEX RESOURCES, INC.
RB Operating Inc.
RAM ENERGY INC
RDH Enterprices Inc
Reading & Bates, Inc. 1988
RAM ENERGY INC
Reading Minerals Co.
Real Petroleum
Reb Petroleum 1980
CAYMAN RESOURCES CORP.
REBEL EXPLORATION INC.
Red Diamond Oil Co.
see Tenneco Inc
Red Eagle Exploration Co. 1987
Red Eagle Resources Corp.
RED ROCK ROYALTY LP
managed by AVIVA
Redfern Oil Co. 1970
KERR-MCGEE CORP.
Redstone Oil & Gas
Reef Energy 1987
GENERAL ENERGY RES & TECH CORP.
Reef Petroleum Corp.
Regal Oil 1954
CONOCOPHILLIPS
Reichhold Energy Corp. 1985
BP AMERICA
Reily Oil
Reiter-Foster
BARUCH-FOSTER CORP.
RELIANCE ENTERPRISES, INC.
Reliance Oil Co. 1917
EXXON MOBIL CORP.
Reno Oil Co. 1953
see Tenneco Inc
Renwar Oil Corp. 1960
see Tenneco Inc
Republic Natural Gas Co. 1961
EXXON MOBIL CORP.
Republic Petroleum Corp. 1949
CONOCOPHILLIPS
Research Applications Inc.
CONOCOPHILLIPS
RESERVE INDUSTRIES INC.
Reserve Oil & Gas Co. 1980
CHEVRON
Reserve Oil & Minerals Corp. 1987
RESERVE INDUSTRIES INC.
RESOLUTE ENERGY, INC.
REVC Holdco, LLC
RANGE HOLDCO, INC.
R-H Holdings Corporation
CONOCOPHILLIPS
Rial Oil Co. 1980
SAGE ENERGY CO.
61
Riata Energy, Inc.
Richardson & Bass
BASS ENTERPRISES PRODUCTION CO.
Richardson Petroleum
see Tenneco Inc
Richfield Oil Corp. 1966
BP AMERICA
Ridgeway Exco Inc. 1985
TAURUS PETROLEUM INC.
Ridgeway Oil Expl. & Dvlpmt. Corp. 1985
Riner Exploration Corp. 1983
TEXON ENERGY CORP.
Rio Grande Oil Co. 1937
BP AMERICA
RIO PETROLEUM INC.
Risk Exploration, Inc.
KISKA OIL CO.
Rival Resources Inc.
QUESTA OIL & GAS CO.
River Corporation 1973 *
TOTAL E&P USA INC 55%
RIVER PIPELINE COMPANY
River States Oil Co. 1960
MURPHY OIL CORP.
RLP Gulf States, LLC
HLP GULF STATES LLC
RME Petroleum
RMR, Inc. 1989
TEXACO TPC, INC.
Robert M. Bass
RMB O&G TX (WY)(LA)(MULTI-STATE)
Roberts & Koch - Permian
RDR ENERGY, LLC
Roberts & Koch - Permian & SE New Mexico
Roberts Petroleum 1963
CRYSTAL OIL CO.
Rock Hill Oil Co. 1955
CHEVRON
Rock Island Refining Corporation 1989
Rock Island Oil and Refining CO, Inc.
ROCKET OIL & GAS COMPANY LP
managed by AVIVA
Rockhill
HOMA OIL & GAS CO.
Rocky Mountain Energy
Rocky Mountain Ventures, Inc. 1973
G/O INTERNATIONAL, INC.
Roden Oil Co. 1972
EOG RESOURCES, INC.
RODMAN-NOEL OIL CORP.
ROLAND LIBERDA
Root Petroleum Corp. 1947
BP AMERICA
Rosario Resources
ROSCOE GAS & OIL CO.
ROSEWOOD RESOURCES INC.
Rosser & Pendleton
M.R. YOUNG
Rowan Oil
Roxana Petroleum Corp. 1928
Shell Oil Co.
Roxoil Drilling, Inc. 1946
DEVON ENERGY
Royal Petroleum Corp. 1974
KERR-MCGEE CORP.
Royalty Ventures Corp. 1985
APACHE CORP.
62
Roytex Oil Co. 1950
DEVON ENERGY
RRC OPERATING CO.
RDT Properties, Inc.
MID-CON ENERGY OPERATING, INC.
Rusk County Transporting Systems Inc.
RVO Petroleum Co. 1981
CHEVRON
Rycade Oil Co.
ASHLAND OIL CO.
Rycade Oil Corp.
Shell Oil Co.
S.A.M. Royalty
CHESAPEAKE ORC, LLC
S.J.F. Corp. 1984
DEVON ENERGY
S.W. Blount
Sabine Corp.
Sabine Exploration Corp.
Sabine Production Co.
Sabine Royalty Corp. 1977
Sack Properties, Inc. (Assets)
IMPERIAL OIL COMPANY OF CALIFOR-
SAGE ENERGY CO.
Salt Done Production Co. 1956
Saltmount Oil Co. 1951
BP AMERICA
Salton Riviere Inc. 1976
EOG RESOURCES, INC.
Sam Wilson
see Tenneco Inc
Samedan Oil Corp.
NOBLE ENERGY, INC.
Samoset Petroleum Co. 1915
Shell Oil Co.
SAMSON RESOURCES
Samson Redbud, LLC
SAMSON LONE STAR, LLC
San Jacinto Petroleum Corp. 1958
CONOCOPHILLIPS
San Jacinto
EXXON MOBIL CORP.
San Juan Basin Trust
CONOCOPHILLIPS
San Juan Oil Co. 1952
CONOCOPHILLIPS
San Salvador Dev. Co., Inc.
BLACKSTONE MINERALS CORP.
Sand Springs Oil and Gas
TOKLAN OIL AND GAS CORP.
SANDRIDGE ENERGY, INC
Sandy Ridge Oil Co., Inc. 1983
VAN FOSSAN OIL ASSOCIATES
Sanguine, Ltd.
DOMINION EXPLORATION MIDCONTI-
Sanguine, Ltd.
SANGUINE GAS EXPLORATION, LLC
Santa Fe Energy Co. 1989
DEVON ENERGY
Santa Fe Energy Operating Partners, L.P.
DEVON ENERGY
Sante Fe Energy Resources, Inc.
DEVON ENERGY
Santa Fe Snyder Corp.
DEVON ENERGY
Santa Fe-Andover Oil Co. 1989
Santiago Oil & Gas Co.
JOHN P. MACNAUGHTON
63
Santo Resources Inc.
SAP Acquisition LLC
Saturn Gas Systems
FARMERS OIL COMPANY
Saxon Oil Co. 1989
CHEVRON
Saxon Oil Development Partners L.P. 1989
CHEVRON
Saxon Operating Co. 1989
CHEVRON
Saxon Operating Partnership L.P. 1989
HEP OPERATING PARTNERS, L.P.
Saxony Corporation
CONOCOPHILLIPS
Saxony Industries, Inc. 1984
NORMANY OIL & GAS CO.
Schermerhorn Oil. Corp.
CONOCOPHILLIPS
Scott Oil & Gas Operations
CMS ENERGY, INC.
Scurlock Oil Co.
ASHLAND OIL CO.
Scurlock Permian Corp.
ASHLAND OIL CO.
Scurlock Permian Corp.
PLAINS MARKETING, LP
Seaboard Oil Co. 1958
CHEVRON
Seagull Energy Corp.
DEVON ENERGY
Seagull Energy Inc.
DEVON ENERGY
Seagull Mid-South Inc.
DEVON ENERGY
Seahawk Gathering
Search Drilling. Co. 1989
Plains E & )
Search Energy Corp.
ADVANTAGE OIL & GAS LTD.
Search Exploration Inc.
HARKEN ENERGY CORP.
Seaside Oil Co.
CONOCOPHILLIPS
Seaxe Energy Corp. 1987
APACHE CORP.
Sedna Energy Company
FOUNDATION ENERGY MANAGEMENT
Sempra Energy Production Company
PEC MINERALS, LP
Sempra Oil & Gas, Inc.
PEC MINERALS, LP
Seneca Oil Co. 1989
SENECA RESOURCES CORPORATION
Sensor Oil & Gas Co
LENORMAN ENERGY CORP.
Sentinel Resources Corp. 1987
RED EAGLE RESOURCES CORP.
Sesquicentennial Land Co. 1987
SEW Oil Corp.
SGO Petroleum Inc.
Shaffer Oil & Refining Co. 1958
SHALETT OIL & GAS CO.
Shalett Oil Co. 1961
MARINE PROPERTIES, INC.
Shamrock Oil & Gas Corp. 1967
MAXUS ENERGY CORP.
Shana Petroleum Company
NEG OPERATING LLC
Shell Co. of California
Shell Oil Co.
64
Shell Oil Co.
SHELL WESTERN E&P INC.
Shell Oil Co. 1988 (US Onshore Properties)
Shell Petroleum Co. 1938
Shell Oil Co.
SHELL TRADING (U.S.) CO
Shell Union Oil Corp. 1949
Shell Oil Co.
SHELL WESTERN E&P INC.
SWEPI, INC
Shenandoah Oil Company
Shenandoah Oil Corp. 1980
CONOCOPHILLIPS
Shenandoah Oil Corp. 1980 *
GALAXY OIL CO.
Sheridan Energy, Inc.
Shield Energy, Inc.
JOHN P. SHIELDS, INC.
Shield Oil Co.
NUMAC RESOURCES
Shield Oil Corp. 1981
DI INDUSTRIES INC.
Shorline
Sid R. Bass, Inc.
SRBI O&G TX (WY)(LA)(MULTI-STATE)
Sid R. Bass, Trustee (Sid R. Bass Mgmt.
SRBMT O&G TX (WY)(LA)(MULTI-STATE)
Sid Richardson Carbon & Gasoline Company
Siebens Oil & Gas
SOUTHERN UNION GAS SERVICES
CHEVRON
Sierra Exploration Co. 1985
Sigmore 1983
MAXUS ENERGY CORP.
Signal Oil & Gas Co.
CONOCOPHILLIPS
Signal Oil Co. 1912
Shell Oil Co.
Siler Energy Investments, Inc. 1981
STRIKER PETROLEUM CORP.
Simpson Investments, Inc.
DABB ENERGY CO.
Sinclair Consolidated Oil Corp.
BP AMERICA
Sinclair Gulf Corp.
BP AMERICA
Sinclair Oil Corp. 1969
BP AMERICA
Sinclair Oil Refining
BP AMERICA
Sinco Oil Corp. 1982
STARK ENERGY INC.
Sioux Oil Co. 1968
Skelly Oil Co. 1977
CHEVRON
SKZ Inc. 1986
ZILKHA ENERGY CO.
SLAPCO
EXXON MOBIL CORP.
Slawson Enterprises
Slawson Petroleum Corporation
ALAMEDA ENERGY, INC.
Slick Oil Co.
see Tenneco Inc
Slick Oil Company
ASHLAND OIL INC.
Smith & McGrath
BENGAL OIL & GAS
Smith & McGrath
PRIMARY FUELS, INC.
Snowden & McSweeney Co. 1944
BP AMERICA
65
Snyder Oil Corporation
DEVON
SNYDER OIL PARTNERS
DEVON
Socal 1984
CHEVRON
SOCO Wattenberg Corporation
NOBLE ENERGY, INC.
Socony-Mobil Oil Co. 1966
EXXON MOBIL CORP.
Socony-Vacuum Oil Co. 1955
EXXON MOBIL CORP.
Sohio Petroleum Co.
Solar Refining Co. 1931
Sonat Exploration Co
Sonora Acquisition Corp.
Sooner Energy Corp.
TATONKA ENERGY INC1
Sotex 1961
CHEVRON
Sourgasco, Inc.
South Fork Oil & Gas Co.
TEJAS OIL & GAS CO
South Louisiana Production Co.
EXXON MOBIL CORP.
South Penn Oil Co.
DEVON ENERGY
South States Development Company
South States Oil & Gas Co. 1983
South Timbers Oil LP
XTO ENERGY INC.
Southeastern Exploration Corp.
EOG RESOURCES, INC.
Southern Community Gas Co.
VENUS OIL CO.
Southern Crude Oil Purchasing Co. 1931
BP AMERICA
Southern Mineral Corporation
UNIT CORP.
Southern Minerals Co. 1970
Southern Natural Gas
Southern Petroleum Exploration, Inc.
THE WISER OIL CO.
Southern Production 1950
BP AMERICA
Southern Union Production Co.
see Supron Energy Corp.
Southland Gathering Company
CONOCOPHILLIPS
Southland Pipeline Company
CONOCOPHILLIPS
Southland Royalty Co. 1985
CONOCOPHILLIPS
Southport Exploration, Inc.
Southport Exploration, Inc.
AVIVA AMERICA INC. (50%)
Southport Petroleum Co. of Delaware 1945
TOTAL E&P USA INC
Southwest Forrest Gas Gathering Co.
Southwest Gas Supply
SUNDOWN ENERGY INC.
Southwest Land Development Company
FINAL OIL AND CHEMICAL COMPANY
SOUTHWESTERN ENERGY
Southwestern Oil & Refining Co. 1974
KERR-MCGEE CORP.
Sovereign Exploration Co.
BONANZA PETROLEUM, INC.
66
Sparkman Energy Corp. 1985
ESKEY INC.
Sparkman Producing Co. 1985
Spectrum 7 Energy Corp 1980-83 Drlg Prgs
SPG Exploration Corp. 1988
Spinnaker Exploration Co., LLC
HYDRO GULF OF MEXICO, LLC
Spinnaker Royalty Co., LP
Dorchester Minerals LP
Spring Resources, Inc.
XTO ENERGY INC.
Spur Oil Co. 1960
MURPHY OIL CORP.
SRC Production
CONOCOPHILLIPS
SRC Realty Company
CONOCOPHILLIPS
St. Joe Petroleum
PRIMARY FUELS, INC.
St. Mary Land Exploration Co.
SM ENERGY COMPANY
St. Mary Operating Company
ST. MARY LAND & EXPLORATION, INC.
Stallion Energy, Inc.
Stallion Panhandle 2001, LP
Stallion Production Corp.
Standard Gas Co./Standard Gasoline Co.
CHEVRON U.S.A. INC.
Standard Oil & Gas Co. of Oklahoma 1912
Shell Oil Co.
Standard Oil Co. of California 1984
CHEVRON
Standard Oil Co. of Indiana 1985
BP AMERICA
Standard Oil Co. of Kansas 1948
BP AMERICA
Standard Oil Co. of Kentucky 1961
CHEVRON
Standard Oil Co. of Louisiana
EXXON MOBIL CORP.
Standard Oil Co. of Nebraska 1939
BP AMERICA
Standard Oil Co. of New Jersey 1972
EXXON MOBIL CORP.
Standard Oil Co. of New York 1931
EXXON MOBIL CORP.
Standard Oil Co. of Ohio 1985
Standard Oil Co. of Texas 1961
CHEVRON
Standard Oil Production Co. 1989
Stanolind Oil & Gas Co. 1981
BP AMERICA
Star Oil & Gas Corp. 1980
TWO FOUR SIX EXPLORATION INC.
STARK ENERGY INC.
Starr Holdings Partnership
KERRCO INC.
State Exploration
STATEX PETROLEUM INC.
States Exploration 1985
WEPCO ENERGY CO.
STATEX PETROLEUM INC.
Steaua Romana (U.S.) Inc. 1987
AMBRIT ENERGY CORP.
Stephens Petroleum
F.E. HARPER
Sterling Oil Co. 1950
see Tenneco Inc
Stetco Petroleum Co.
DEVON ENERGY
Stevens Oil & Gas
67
STJ LP
mangaed by AVIVA
Stoltz Wagner & Brown 1984
Stone & Webster Oil Co, Inc.
UNIT CORP.
STONE ENERGY CORPORATION
Stone Petroleum Co. 1983
Stove Creek Done Oil & Rfng. Co. 1955
BIG PINEY OIL & GAS CO.
Strata Crop. 1986
RANGE RESOURCES CO. PETROLEUM
Strata Energy, Inc. 1983
NATURAL RESOURCES MGMT CORP.
STRIKER PETROLEUM CORP.
Stroud Energy
RANGE TEXAS PRODUCTION, LLC
Subsurface, Inc.
CHESAPEAKE KNAN ACQUISITION, LLC
Suburban Propane Gas Corp. 1983
Sumac Petroleum 1962
CHEVRON
Summit Energy Inc. 1988
CASPEN OIL, INC.
Sun Exploration & Production 1989
KERR-MCGEE OIL & GAS ONSHORE,
Sun Refining and Marketing Co.
SUNOCO PARTNERS MKGT & TERMI-
Sunburst Exploration 1993
CHEVRON
Sunburst Oil Co. 1922
Sundance Energy Corp.
TEXAS MERIDIAN RES. LTD.
SUNDOWN ENERGY INC.
Sunmark Exploration Co.
Sunningdale Oils. Ltd.
KERR-MCGEE CORP.
Sunny South Oil & Gas Inc. 1985
KELLEY OIL CORP.
Sunnybrook Oil & Gas Inc.
SUNOCO PARTNERS MKT. & TERMINALS
Sunray Oil Co. 1955
Sunray-DX Oil Co. 1968
Sunray-Mid Continent Oil Co. 1962
Sunrise Oilfield Supply Company
MERIDIAN PIPE & EQUIPMENT CO., INC.
Sunrise Petroleum Inc. 1981
ORS CORP.
Sunset International Petroleum
CHEVRON
Sunset Oil Co.
HESS CORPORATION
Superior Of Oklahoma 1943
Superior Oil Co. 1984
EXXON MOBIL CORP.
Supply Development Group
SUNDOWN ENERGY INC.
Supron Energy Corp. 1982
CONOCOPHILLIPS
Suran Royalty
CHESAPEAKE ORC, LLC
Surrey Oil & Gas Corp. 1960
Swiss Oil Corp. 1936
ASHLAND OIL INC.
Sun Operating LTD Partnership
Sydson D'Oro Expl. Co. Inc.
TEXAS MERIDIAN RES. LTD.
68
T & L Oil 1961
CHEVRON
Tal Vez Oil Co. 1983
LINGEN OIL & GAS INC.
Tana Production Corp. 1989
TEXACO TPC, INC.
Targa Oil & Gas, Inc. 1983
CHAPMAN ENERGY INC.
Target Oil & Gas, Inc. 1984
EGRET ENERGY CORP.
Taurus Exploration Inc.
Taurus Exploration USA
Taylor Oil & Gas Co 1955
see Tenneco Inc
TCM, LLC
TDT Diverse L.P.
FNRC TDT LP
TE Products Pipeline Company, LLC
ENTERPRISE TE PRODUCTS PIPELINE
TEAI Oil & Gas Co.
Teal Petroleum Co.
Tectonic Energy Cor. 1984
ENERTEC CORP.
Ted Weiner
TEXAS CRUDE INC.
Tee Oil, Inc. 1988*
PRESIDIO OIL CO.
Tee Operating Co.
CHAPMAN RESOURCES
TEJAS GAS CO.
Tejas Production Co. 1980
WAINOCO OIL CORP.
Tejax Energy 1987
Tekoil Corp. 1962
Tema Oil Co.
Temex Energy, Inc.
Templeton Energy, Inc 1987
TGX CORP.
TENKAY RESOURCES INC.
Tenneco Gas Prod. Co.
RANGE ENERGY VENTURE CORP
Tenneco LaTerre, Inc. 1988
TOTAL E&P USA INC
Tenneco Ventures Corp.
RANGE ENERGY VENTURE CORP
Tenneco Ventures Finance Corp
RANGE ENERGY FINANCE CORP
Tenneco, Inc. / Tenneco Oil Company
see TOC -
Tennessee Glacier Park Co.
CONOCOPHILLIPS
TEPPCO Crude Oil LP
ENTERPRISE CRUDE OIL LLC
TEPPCO Colorado, LLC
ENTERPRISE COLORADO LLC
TEPPCO Crude GP, LLC
ENTERPRISE CRUDE GP LLC
TEPPCO Crude Oil, LLC
ENTERPRISE CRUDE OIL LLC
TEPPCO Crude Pileline, LLC
ENTERPRISE CRUDE PIPELINE LLC
TEPPCO Investments, LLC
ENTERPRISE TE INVESTMENTS LLC
TEPPCO Midstream Companies, LLC
ENTERPRISE MIDSTREAM COMPANIES
TEPPCO NGL Pipelines, LLC
ENTERPRISE NGL PIPELINES II LLC
TEPPCO Partners, L.P.
ENTERPRISE TE PARTNERS L.P.
69
TEPPCO Seaway, L.P.
ENTERPRISE SEAWAY L.P.
TEPPCO Terminialing and Marketing Compa-
ENTERPRISE REFINED PRODUCTS
TEPPCO Terminals Company L.P.
ENTERPRISE REFINED PRODUCTS
Terra Resources, Inc. 1981*
OXOCO INC.
TES Acquisition Corp.
TEX/CON OIL & GAS CO.
TEXACO TPC INC.
CHEVRON
Texaco, Inc.
CHEVRON
TEXAS AMERICAN OIL CORP.
Texas Commerce Bank
JP MORGAN CHASE
Texas Crude Inc
WESTERLY EXPLORATION, INC.
Texas Eagle Oil Co. 1984
RANGE PRODUCTION CO. MINERALS,
Texas Eastern Exploration 1986*
NOBLE ENERGY, INC. OIL CORP.
Texas Eastern Products Pipeline Company,
ENTERPRISE PRODUCTS PIPELINE
Texas Fuel Co. 1902
CHEVRON
Texas Gas Exploration Corp. 1986
Texas Gas Producing Co.
HESS CORPORATION
Texas Gulf Production 1963
BP AMERICA
Texas International Oil Co., Ltd.
Texas International Petroleum Co. 1987
Texas Meridian Operating Co. Ltd.
Texas Meridian Prod. Co. Ltd
TEXAS MERIDIAN RESOURCES LTD.
Texas National Petroleum Corp. 1962
CHEVRON CORP.
Texas Northeast Oil & Gas Co.
MOORE MCCORMACK ENERGY, INC.
Texas Oil & Gas Corp.
Texas Pacific Oil & Gas
Texas Pacific Coal & Oil Co
Texas Pacific Oil Co. 1979
Texas Royalty Company (Assets)
Texas Southwest Resources Corp.
Texasgulf, Inc. 1981
ELF-AQUITAINE, INC.
Texcan Resources Corp. 1982
CONOCOPHILLIPS
Texco Energy Corp.
EGRET ENERGY CORP.
Texcon
Texhoma Oil & Refining Co. 1928
CONOCOPHILLIPS
Texoma Production Co. 1985
MCN EXPLORATION
Texoma Production Co. 1986
APACHE CORP.
TEXON ENERGY CORP.
70
Texon Oil & Land Co.
CONOCOPHILLIPS
Texota Oil Co. 1968
NORTH AMERICAN RESOURCES CORP.
Tex-Star Oil & Gas Corp. 1964
TGX Corp.
The Bodrain Company (Merger)
Thomas C Mueller, Inc. Ltd & of Crawford
XTO ENERGY INC.
Three States Natural Gas Co. 1961
see Tenneco Inc
Three Rivers Acquisition LLC
COG OPERATING LLC
Three Rivers Operating Company LLC
COG OPERATING LLC
Thru Line, Inc.
THRU LINE O&G TX (WY)(LA)(MULTI -
Tide Water Associated Oil Co.
CHEVRON
Tidewater Oil Co. 1967
CHEVRON
TIPCO
see TEXAS INTERNATIONAL PETROLE-
TIPPERARY OIL & GAS CORPORATION
Titan Resources I, Inc.
Titan Resources
CHEVRON CORP.
Titan Resources, LP
TOC - Gulf Coast Onshore
TOTAL E&P USA INC
TOC - California
BP AMERICA
TOC - Gulf of Mexico Federal Offshore
CHEVRON
TOC - Houston Oil & Minerals
DEVON ENERGY
TOC - Mid-Continent
TOC - Norway
CONOCOPHILLIPS
TOC - Rocky Mountains
BP AMERICA
TOC Acquisitions Corp.
TOKLAN OIL & GAS CORPORATION
Toklan Oil Cor. 1957
Toltec Oil & Gas Inc. 1983
CHAPMAN ENERGY INC.
Tom Brown, Inc.
ENCANA OIL & GAS USA, INC.
Tom Brown, Inc. (NM Properties)
MANGUM HUNTER
Tonka Oil & Gas Ltd. 1974
TORCH ENERGY ASSOCIATES
TORCH OIL & GAS CO.
Tosco Corporation 1985
Tosco-Lion, Inc. 1978
TOTAL E&P USA INC
Total Minatome Corp.
ENERGEN RESOURCES
Total Petro Inc 1987, Rocky Mtn Prop Only
Total Petroleum (North America) Ltd.
ULTRAMAR DIAMOND SHAMROCK
TotalFina
TOTAL E&P USA INC
Towner Petroleum, 1986
ZILKHA ENERGY CO.
71
Trafalgar House Oil & Gas, Inc., 1989
HARDY OIL & GAS USA INC.
TRANS ATLANTIC RESOURCES CORP.
Transco Expl Ptnrs Ltd (Offshore) 1988 *
Transco Expl Ptnrs Ltd (Onshore) 1988 *
Transco Exploration & Production
Transco Exploration Co.
FOREST OIL CORPORATION
TRANSCONTINENTAL OIL CO.
Transcontinental Oil Co. 1930*
Transcontinental Production Co.
FOREST OIL CORPORATION
Transierra Exploration Corp.
BELCOR, INC.
Transmountain Production Co. 1974
TOTAL E&P USA INC
TransOcean Oil Co. 1980
EXXON MOBIL CORP.
Transwestern Oil Co. 1946
SUN CO, INC (R&M)
Tranwestern Royalty Corp. 1949
DEVON ENERGY
Transworld Oil USA, Inc.
TRANSWORLD E&P, INC.
Traver Oil Co.
LAVINO OIL & GAS CO.
Traverse Oil Co. 1985
FEDERATED NATURAL RES. CORP.
Trebol Drilling Company
CONOCOPHILLIPS
Trebol Oil
RODMAN-NOEL OIL CORP.
Tredegar Oil & Gas Corp.
WAINOCO OIL CORP.
Tredegar Petroleum Corp.
WAINOCO OIL CORP.
Tredegar Properties, Inc.
WAINOCO OIL CORP.
Trend Drilling Co.
Tribal Oil Co. 1974
Tribune Oil Cor. 1983
Trice Production Co.
HESS CORPORATION
Tricentrol Resources, Inc. 1984
BASF CORP/WINTERSHALL ENERGY
Tricentrol U.S., Inc. 1988
BP AMERICA
Trident NGL Inc.
NATURAL GAS CLEARINGHOUSE
Trigood Oil Co.
Trinidad Oil 1956
CHEVRON
Trinity Oil & Gas Co.
QUESTA OIL & GAS CO.
TRINITY RESOURCES, INC.
Tri-Power Petroleum Inc. 1986
TRITON MINERALS & ROYALTY, INC.
TRITON OIL & GAS CORP.
Triton Producing Co.
HESS CORPORATION
Triumph Resources, LLC 2002
CHAPARRAL ENERGY, INC.
True's Oil Co. 1959
BP AMERICA
Trunkline 1967
72
TRUST PIPE LINE CO.
Turner Oil Co. 1915
Shell Oil Co.
Twin Oil
BP AMERICA
TWO FOUR SIX EXPLORATION INC.
TXL Oil Corp. 1962
CHEVRON
TXO Production Co. 1991
U.S. Exploration Co. 1989
U.S. Exploration Holdings, Inc.
NOBLE ENERGY, INC.
U.S. MINERALS EXPLORATION CO.
U.S. RESOURCES INC.
U.S. Royalties Corp.
UGI Corp. 1985
ULTRAMAR DIAMOND SHAMROCK CORP.
UMC Pet. Res. Cor. 1989
UMC PETROLEUM CORP.
UMC PETROLEUM CORP.
UNIMAR CORP. (UNION TEXAS/
Union Carbide Petroleum Corp. 1971
ASHLAND OIL, INC.
Union Connection, Inc.
ORBIT PETROLEUM, INC.
Union Exploration Partners, Ltd.
CHEVRON CORP.
Union Gas & Oil Co. (Kentucky ) 1925
ASHLAND OIL, INC.
Union Oil & Gas Corp. of Louisiana
CONOCOPHILLIPS
Union Oil Co. of California 1985
CHEVRON CORP.
Union Pacific Resources Company
Union Petroleum Co. 1920
BP AMERICA
Union Producing Co.
DEVON ENERGY
Union Sulphur
WESTERN
Union Texas Natural Gas 1962
BP AMERICA
Union Texas Petroleum Corp.
BP AMERICA
Unit Carbon Co.
ASHLAND OIL, INC.
Unit Drilling & Exploration Co. 1985
UNIT CORP.
United Central Oil Co. 1925
CROWN CENTRAL PETROLEUM CORP.
United Oil Co. 1916
CONOCOPHILLIPS
United Oil Co. 1926
BP AMERICA
United Oil Cor. 1988
CREDO PETROLEUM CORP.
United Producing Co.
ASHLAND
United Refining Co. 1976
DEVON ENERGY
United States Exploration, Inc.
NOBLE ENERGY, INC.
Universal Consolidated Oil Co. 1961
CHEVRON
Universal Energy Corp. 1986
ORS CORP.
Universal Explorations Ltd 1989
CONQUEST EXPLORATION CO.
73
Universal Resources Corp.
QUESTAR EXPLORATION AND PRO-
Universal Resources Corp. 1986
QUESTAR CORP.
Unocal Corp.
CHEVRON CORP.
Unocal Exploration Corp.
CHEVRON CORP.
Upland Resources, Inc.
GRANITE OPERATING CO.
Usenco, Inc. 1988
USX Corp. (formerly U.S. Steel) 1983
Utah Oil
BP AMERICA
V.M. Harrison
Vacuum Oil Co. 1931
EXXON MOBIL CORP.
VADIS INVESTMENTS, INC.
Valero Producing Co. 1987
WACKER OIL INC.
VALTEX PETROLUEM, INC.
Valley Fina Oil Company 1979
TOTAL E&P USA INC
VAN DYKE ENERGY CO.
Van Dyke Oil Co.
VAN DYKE ENERGY CO.
VAN FOSSAN OIL ASSOCIATES
Vanderbilt Energy 1985
DEVON ENERGY
VANGUARD OIL & GAS INC.
Vanguard Petroleum Corp.
Vanguard Pipeline Corp.
Vantage Point Energy 8/92
CONVEST ENERGY CORPORATION
Vantage Point Operating Co.
CONVEST ENERGY CORPORATION
VARN OIL CO.
Vastar Offshore, Inc.
BP AMERICA
Vastar Resources, Inc.
BP AMERICA
Veneucot Resources, Inc.
DIVERSE ENERGY INVESTMENTS INC.
VENEX CORP.
Venezuela Syndicate, Inc. 1957
VENUS OIL CO.
VICTORY ENERGY PARTNERS LLC
Viking Oil Ltd. 1980
SUN CO., INC. (R&M)
Vintage Petroleum, LLC
OCCIDENTAL PETRO. CORP.
Visa Energy Corp.
ENSOURCE INC.
VOLVO PETROLEUM, INC.
Voyager
HOWELL PETROLEUM CO.
Voyager Petroleum
Voyager Petroleum
FREEPART-MCMORAN
W.A. Moncrief, Jr.
MONCRIEF OIL INTERESTS
W.K. Oil Co. 1915
Shell Oil Co.
W.L. Hinds
CONOCOPHILLIPS
74
W.B. Osborn
LONGHORN OIL & GAS
W.E. Bakke
ABLE & BANCROFT
W.E. Carl Oil Co.
W.G. Skeeters Co. 1980
HARKEN OIL & GAS CORP.
W.H. HEISLER, JR.
W.R. Davis
CONOCOPHILLIPS
Wachovia Bank, Delaware
WELLS FARGO BANK, SIOUX FALLS,
Wachovia Bank, North Caroloina
WELLS FARGO BANK, SIOUX FALLS,
Wachovia Bank, NA
WELLS FARGO BANK NA
Wacker Oil Inc.
DEVON ENERGY
Wagner & Brown
Wagner & Brown II
WAGNER & BROWN LTD.
Wainoco Oil Corp.
FRONTIER OIL CORPORATION
Walker Energy 1985
Walker Energy Partners MLP 1989
Waller County Minerals Co.
Walton Oil Co. 1982
OCTOBER OIL CO.
Warren Petroleum
CHEVRON
Warren-Bradshaw
CHEVRON
Washington Royalties Company (Merger)
Washita Production Co.
CHESAPEAKE ORC, LLC
Waterford Energy Inc. 2/91
Watson & Taylor Energy Inc 1987*
KERR-MCGEE CORP.
Watson Oil Corp. 1980
UMC PETROLEUM CORP.
Waverly Oil Co., Inc. 1985
WAINOCO OIL CORP.
WCOG Properties, Ltd.
WD Partners, LP
WD O&G TX (WY)(LA)(MULTI-STATE)
Weaver Oil & Gas Corp.
Webb Resources
Weber Oil Co. 1942
Weber Oil Co. 1957
EQUITY OIL CO.
WECO Development Corp.
HESS CORPORATION
WEDCO
Wellington Oil Co.
CHEVRON
WENTEX INTERNATIONAL, INC.
WEPCO ENERGY CO.
Westport Oil & Gas Co., Inc.
West Natural Gas 1962
BP AMERICA
West Timbers Oil, LP
XTO ENERGY INC.
Westates Petroleum Co. 1976
DEVON ENERGY
75
Westcoast Oil & Gas 1976
PRESDIO OIL CO.
WESTERN
Western Associated Development Corp.
BEACON EXPLORATION CO.
Western Energy Dvlpmt. Co., Inc. 1986
WESTERN GEOPHYSICAL
WESTERN NATURAL GAS CO.
Western Oil & Fuel Co. 1958
CONOCOPHILLIPS
Western Oil Fields Corp. 1928
CONOCOPHILLIPS
Western Oil Fields Inc.
CASPEN OIL, INC.
Western Oil Shale Corp. 1980
Western Pacific Petroleum, Inc.
Western Resources Inc.
WESTERN ENERGY
Western States Producing Co.
Westheimer-Neustadt Corp. 1981
KFOC, INC.
Westhoma Oil Co. 1976
CONOCOPHILLIPS
Westland Drilling Co.
Westland Exploration Co. 1992
Westpan Resources LP
Westport Oil & Gas Co., LP
Westport Resources Corp.
KERR-MCGEE
Westrans Petroleum Inc. 1976
WEXCO OF DELAWARE INC.
WG Operating Co., Inc.
HALCON OPERATING CO., INC.
Whaley Co. 1962
CHEVRON
White Eagle
CIMAREX ENERGY CO.
White Rock Equity LP
White Rock Equity Management LLC
White Rock Oil Co.
WHITE TIGER LP
managed by AVIVA
White Wing Oil Co.
Whitehall Oil Co.
ASHLAND OIL INC.
Whitewood Resources Inc.
Wichita Industries Inc. 1985
Wicor Inc. 1985
WEXCO OF DELAWARE INC.
Wilcox
LONGHORN OIL & GAS CO.
Wilcox Oil Corp. 1964
see Tenneco Inc
Williams Arkoma Gathering Company, LLC
WPX ENERGY ARKOMA GATHERING,
Williams Exploration Co.
WPX ENERGY
Williams Exploration Co. 1986*
TOTAL E&P USA INC I (50%)
76
WILLIAMS PRODUCTION RMT CO.
WPX ENERGY ROCKY MOUNTAIN, LLC
Wilshire Oil Co.
B-L ASSOCIATES
Wilshire Oil of California
CHEVRON
Winchester Energy Co. 1985
Windsor Petroleum
Windsor Producing Co. 1981
Winter Oil Co.
BP AMERICA
Wintershall Energy
ELAND ENERGY, INC.
Wintershall Oil & Gas Co. 1979*
TOTAL E&P USA INC
WINWELL RESOURCES, INC.
Wiser Oil Co.
FORREST OIL CORPORATION
W-N Energy Corp. 11/92
KFOC, INC.
Wolfson Oil
CHEVRON
Wolverine Exploration Co.
UNIT CORP.
Wolverine Gas and Oil Co., Inc.
HIGHMOUNT EXPL & PROD MICHIGAN
Wolverine Petroleum Corp. 1938
Shell Oil Co.
Wolverine Reserves, LLC
Woodbine Production Corp. 1984
ILEX OIL CORP.
Woodley Petroleum Co. 1959
CHEVRON CORP.
Woodward Group, Inc.
Wood Oil Company
PANHANDLE OIL AND GAS, INC.
Wood River Oil & Refining Company
Worland Associates 1998
CONTINENTAL RESOURCES
Worldwide Energy Corp. 1985
HESS CORPORATION
Worldwide One, Inc.
HESS CORPORATION
Worldwide Petroleum Corp. 1968
Wymore Oil Co.
Wynn-Crosby 1994 through 2000 (inclusive)
Xeno, Inc.
ENCANA ENERGY
XTO Energy Inc.
Yamac Production Co.
NEUMIN PRODUCTION CO.
Yankee Cos.
ACCESS ENERGY CORP
Yankee Oil & Gas 1985
ACCESS ENERGY CORP
Yates Exploration Co. 1981
OXOCO INC.
Yellowstone Oil Co.
DON FRANTZEN
York & Harper 1954
see Tenneco Inc
Yount-Lee Oil Co. 1935
BP AMERICA
YPI Petroleum Inc. 1981
CASPEN OIL, INC.
Zapata Petroleum
DEVON ENERGY
Zevex Corporation
LL&B COMPANIES
ZG ENERGY CORP.
77
ZIA Energy, Inc.
PLANTATION PETROLEUM ACQUISI-
ZIA Gathering, Inc.
CONOCOPHILLIPS
Zilkha Energy Company
ZIM Energy Corp. 1987
MUSTANG RESOURCES CORP.
Zinke & Trumbo, Inc.
ZENERGY, INC
78

Lower Case—Past Contact UPPER CASE—CURRENT

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