Wyoming
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Corporate Name Change & Merger Index
# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
| Company Name (OLD NAME) | Changed or Merged To (NEW NAME) | Date of BLM WY Decision or Cover Memo | BLM State Office that Issued Decision |
|---|---|---|---|
| M.A. Verbrugge B&E Trust, | Mary L. Tuttle-Hagstrom, Trustee | 09/20/2004 | WY |
| Madison Resources Inc | Adobe Resources Inc (Amended Decision-Lease Added) (Amended Decision-Leases Added) | 05/09/1986 03/06/1987 12/10/1986 | WY WY WY |
| Magic Petroleum | Petro Carbons, Ltd | 07/02/1986 | WY |
Magness Petroleum Corp | Cleary Petroleum Corp | 10/06/1976 02/03/1978 06/12/1978 07/19/1978 | WY WY WY WY |
| Magnet Cove Barium Corp | Dresser Industries Inc Effective Date: | 08/25/2004 11/21/1967 | WY |
| Magnolia Petroleum CO | Socony-Mobil Oil CO Inc | 07/17/1960 | WY |
| Manning R L | Nabors Drilling International Inc | 09/14/1995 | WY |
| Mapco Production Co | Mapco Oil & Gas Co | 05/08/1984 | WY |
| Mapleleaf Transactions Inc | AEC Oil & Gas (USA) Inc | 02/13/2002 | WY |
| Mar-Win Development Co | Marshall & Winston Inc | 09/29/1990 | WY |
| Maralo Inc | Maralo Merging Corp | 11/20/2000 | WY |
| Maralo Merging Corp | CCS Resources Inc | 03/20/1986 | WY |
| Marathon Petroleum Co | Marathon Oil Co (Amended Decision-Additional Lease) | 12/22/1982 10/19/1982 | WY WY |
| Marline Petroleum Corp | Cheniere Petroleum Corp (Amended decision-Added Lease) | 03/26/1986 05/20/1986 | WY WY |
| MarkWest Ene Ptnrs Ltd | MarkWest Resources Inc | 07/18/1977 | WY |
| MarkWest Coalseam Developement Co. Inc | MarkWest Resources Inc | 07/18/1997 | WY |
| Masterson, James A | Laramide LLC | 04/24/1995 | WY |
| Matador E&P Company | Tom Brown Inc | 09/18/2003 | NM |
| Matador Operating Company | Tom Brown Inc | 09/18/2003 | NM |
| Matador Royalty Company | Tom Brown Inc | 09/18/2003 | NM |
| Maxus Exploration Co | Midgard Energy Co | 06/29/1995 | WY |
| May Energy Partners Operating Partnership Ltd | Hallwood Energy Partners LP | 12/27/2002 | WY |
| Mayer, Len A, Estate of | Melissa M. Crowley | 06/05/2003 | WY |
| Mayfield, Gideon C | Estate of Gideon C Mayfield, Central Bank of Denver, Personal Representative | 11/07/1986 | WY |
| Maynard Corporation | Maynard Oil Company | 07/26/2004 | WY |
| Maynard Energy-85 Partnership | Company Dissolved | 04/22/1987 | WY |
Maynard Energy, Inc. | Company Dissolved | 04/22/1987 | WY |
| Maynard Oil Company | Forest Oil Permian Corporation | 07/26/2004 | WY |
| Mayo Medical Res (MMR) | May Foundation for Medical Education & Research Inc (MFMER) | 05/24/1990 | WY |
| McAdams, Roux & Asoc Inc | Plains Petro Oper CO | 02/28/1991 | WY |
| McAlester Fuel Company | EnStar Petroleum Inc Amended Decision-Additional Lease | 05/23/1983 07/25/1984 03/25/1986 | MT WY WY |
| McAlester Fuel Company | Alpetco Inc | 07/08/1977 04/29/1977 | WY MT |
| McAllister Judith R | Judith M Woodruff Family Inter vivos Trust Agreement | 07/30/2001 | WY |
| McCutcheon Energy Company | Western Interior Oil & Gas Corp | 12/30/2005 | WY |
| McEnroe, Allan L | No record title interest in active leases | 05/02/2003 | WY |
| McLean, James D. | Estate of James D. McLean, Carl T. McLean, executor | 02/25/2004 | WY |
| McMoRan Oil & Gas Co | McMorRan Oil & Gas LLC | 01/06/1999 | WY |
| McMurray Pipeline Co | McMurry Oil Company | 11/16/2001 | WY |
| McMurry Energy Co | McMurry Energy Co LLC | 02/13/2002 | WY |
| McMurry Energy Co LLC | Shell Rcky Mtn Prod LLC | 02/13/2002 | WY |
| McMurry Oil Company | McMurry Oil LLC | 09/10/2004 | WY |
| McMurry Oil LLC | EnCana Oil & Gas (USA), Inc. (Amended Decision) | 01/28/2005 | WY |
| MCNIC O&G Mid-Continent Inc | MCNIC O&G Properties Inc | 12/31/1997 | NM |
| MCNIC O&G Central Inc | MCNIC O&G Properties Inc | 12/31/1997 | NM |
| MCNIC O&G Enhanced Production Inc | MCNIC O&G Properties Inc | 12/31/1997 | NM |
| MCO Holdings Inc | Maxxam Inc | 02/12/1991 | WY |
| MCO Resources Inc | UMC Petro Corp | 08/23/1990 | WY |
| MCOR Oil & Gas Corp | UMC Petro Corp | 08/23/1990 | WY |
| MCR NewCorp, Inc. | MCO Resources Spectrum Corp | 05/15/1986 | WY |
| McCulloch Gas Processing Corp | MGPC, Inc. Right-of-way Amended Decision-Additional Lease | 02/01/1982 03/23/1984 05/14/1984 | WY WY WY |
| McCulloch Oil and Gas Corp | MCOR Oil and Gas Corp | 11/22/1980 | WY |
| McCulloch Oil Corp | MCO Holdings, Inc. Amended Decision Amended Decision | 07/17/1984 06/25/1985 11/13/1985 | WY WY WY |
| McMoRan Exploration Co | McMoRan Offshore Exploration CO | 08/25/1986 | WY |
| McMoRan Exploration Co of New Mexico | McMoRan Offshore Exploration CO | 08/25/1986 | WY |
| McMoRan Freeport-Oil Co | McMoRan Offshore Exploration CO | 08/25/1986 | WY |
| McMoRan Offshore Production Co | McMoRan Offshore Exploration Co | 08/25/1986 | WY |
| McMoRan Offshore Production Co | McMoRan Oil & Gas Co | 07/17/1985 | WY |
| Medallion Gas Services, Inc | KCS Resources, Inc. | 08/28/2002 | NM |
| Medallion Prod Co | InterCoast O&G Co | 11/18/1996 06/02/1997 | MT WY |
| Medicine Bow Coal Company | Arch of Wyoming Inc | 02/25/1992 | WY |
| Medicine Bow Electric Co | Medicine Bow Telephone Co | 05/21/1980 | WY |
| Medicine Bow Operating Co | El Paso E&P Company, L.P. | 07/20/2006 | WY |
| Mercury Exploration Co | MSR Exploration Ltd. | 04/12/2002 | MT |
| Mercury Montana Inc | MSR Exploration Ltd. | 04/12/2002 | MT |
| Meridian Oil Inc | Burlington Res O&G Co | 09/18/1996 | MT |
| Meridian Oil Prod Inc | Meridian Oil Inc | 05/20/1996 | MT |
| Merit Energy Partners L.P. | Merit Management Partners L.P. | 08/05/2005 | WY |
| MeritNet Partners LP | Merit Partners LP | 10/31/1996 | WY |
| Merrion, J. Gregory | J Gregory Merrion and Rita V Merrion Revocable Trust, Thomas Gregory Merrion as trustee | 01/12/2005 | CO |
| Merrion Petro Corp | Merion Oil & Gas Corp | 02/28/2001 | NM |
| Mesa Holding Company | Mesa Operating Company | 01/14/1997 | NM |
| Mesa Operating Company | Pioneer Natural | 04/08/1999 | WY |
| Mesa Oper Ltd Ptnrshp | Mesa Operating Company | 03/15/1994 | WY |
| Mesa Oper Ltd Ptnrshp | Pioneer Natural | 04/08/1999 | WY |
| Mesa Petroleum Company | Pioneer Natural | 04/08/1999 | WY |
| Meyer, Earl O | Earl O Meyer/Edna F Meyer Trust | 08/07/1996 | WY |
| MGF Oil Corp | GBK Corp | 08/26/1993 | WY |
| MGS Development Co | MCNIC O&G, Properties Inc | 12/31/1997 | NM |
| Michael, Forrest Estate of | Estate of Michael Forest, Gary R. Storm, Personal Representative | 11/17/2004 | WY |
| Mid-America Drilling & Exploration | Prairie States Exploration, Inc. | 11/16/1983 | WY |
Mid-Continent Petroleum Corp | Sunray Mid-Continent Oil Company | 10/14/1955 | WO |
| Midcontinent Acquisition Properties Inc | Sundown Energy Inc | 06/20/2000 | NM |
| Middle Bay Oil Company | 3TEC Energy Corp | 11/24/1999 | NM |
Middle Bay Oil Company, Inc. | 3TEC Energy Corp | 08/28/2001 | NM |
| Middle Bay Production Co | 3TEC Energy Corp | 08/28/2001 | NM |
| Midgard Energy Company | Maxus Energy Corporation | 07/20/2006 | WY |
Midland Oil Company | Consolidated Oil and Gas, Inc. | 04/25/1961 | WY |
| Midlands Gas Corp | Excelsior Oil Corp | 07/17/1985 | WY |
| Midpar LP | Parker & Parsley; Devel LP | 05/12/1995 | MT |
| Milestone Petro Inc | Meridian Oil Inc | 09/09/1985 | WY |
| Minatome Corporation | Total Minatome Corporation | 01/22/1988 | WY |
| Minnoco | Minnoco I | 03/08/1999 | WY |
| Mission Corporation | Getty Oil Company Amended decision | 07/06/1977 07/08/1977 | CO ES* |
| Mission Development Company | Getty Oil Company Amended Decision | 10/09/1967 10/18/1967 10/18/1967 | WY WY ES |
| Mitchell & Mitchell Gas & Oil Corp | Mitchell Energy Corp | 08/12/1971 | |
| Mitchell & Mitchell Properties Inc | Mitchell Energy Corp | 11/20/1974 | |
| Mitchell Ene Prod Co | Mitchell Energy Corp | 05/21/1992 | WY |
| Mitchell Energy Company LP | Devon Energy Operating Company LP | 05/24/2002 | CO |
| Mitchell Energy Corp | Mitchell Energy Co LP | 08/09/2001 | CO |
| Mitchell Energy Three Inc | Mitchell Energy Corp | 04/27/1981 | |
| Mitchell Gas Products Inc | Mitchell Energy Corp | 01/29/1979 | |
| MLDL, Inc. | J. Walter Duncan Jr. Inc. | 01/20/1989 | WY |
| Mobil Oil Corporation Mobil Oil Corporation | ExxonMobil Oil Corp ExxonMobil Oil Corporation (Amended Decision) | 07/25/2001 02/10/2006 | WY WY |
| Mohan Petroleum Wyoming Inc | Anderman Oils of Wyoming | 01/31/2003 | WY |
| Monsanto Chemical Co | Monsanto Co | 05/05/1964 | WY |
| Monsanto Oil Co | BHP Petroleum Co | 08/15/1986 | WY |
| Montana-Dakota Utilities Co | MDU Resources Group, Inc. | 06/11/1986 | WY |
| Montana Power Gas Co, The | North American Resources Company | 01/30/2002 | MT |
| Montara Petroleum Company | Nord-Montara Petroleum Company | 02/17/1984 | WY |
| Monte Grande Exploration Inc | MSR Exploration Ltd. | 04/12/2002 | MT |
| Monterey Resources Inc, Texaco California Inc | Chevron USA Inc | 07/10/2003 | CA |
| Moore, David A | Moore, Beverly J | 04/03/1991 | WY |
| Moore McCormack Energy Inc | CXY Energy Inc | 10/31/1988 | WY |
| Moore McCormack Oil & Gas Corp | Moore McCormack Energy Inc | 05/30/1985 | WY |
| Moore McMormack Energy Inc | CXY Energy Inc | 03/08/1989 | WY |
| Moran Exploration Inc | Kaneb Production Co | 04/24/1985 | WY |
| Morgan Richardson Operating Company | Richardson Operating Co | 12/10/1992 | WY |
| Mountain and Plains Oil Co | Natural Resources Corp | 02/28/1983 | WY |
| Mountain and Plains Oil & Gas Co | Adobe O&G Corp | 02/28/1983 | WY |
| Mountain Fuel Res Inc | Quesar Pipeline | 07/12/1988 | WY |
| Mountain O&G Co of WY | Mountain O&G Co of MT | 01/03/1997 10/17/1996 | WY |
| Mountain Plains Oil Co | Adobe Oil & Gas Corp | 02/03/1983 | WY |
| Mountain States Res Inc | MSR Exploration Ltd. | 04/12/2002 | MT |
| Mountfort-Webb Oil Co Inc | Bennett Petro Corp | 02/22/1974 | WY |
| Moxa Energy Corp | Maze Energy Corp Amended Decision-Additional Lease | 08/01/1985 02/11/1987 | WY WY |
| MRL Partners, LP | Lowe Partners, LP | 05/02/2005 | NM |
| MROC LLC | MR Oilco LLC | 03/26/1999 | WY |
| MSR Drilling | MSR Exploration Ltd. | 04/12/2002 | MT |
| MSR Exploration Ltd. | Quicksilver Resources Inc | 04/12/2002 | MT |
| MSR Exploration Ltd. | Mercury Montana Inc | 04/12/2002 | MT |
| MSR Exploration of Texas Inc | MSR Exploration Ltd. | 04/12/2002 | MT |
| MSZ Resources Inc | Corrida Oils Inc | 07/07/1982 | WY |
| Mulford, Jr., Vincent S. | Rosamund F. Mulford Trust, The Trust Company of Oklahoma, trustee | 09/08/2005 | WY |
| Mullen David E | Owl Royalties Inc | 03/05/1999 | WY |
| Mullen, David E. | Estate of David E. Mullen | 03/05/1999 | WY |
| Mullen David E, Estate of, | Miller Timothy K | 03/05/1999 | WY |
| Murphy Oil Corp | Murphy Oil USA Inc. | 01/09/1984 | WY |
| Murray Exploration Inc | Floyd Murray and Company | 02/16/1989 | WY |
| Myers, Jack Milton, Estate of | Jack Chandler Myers, Robert Lee Myers, Mary Ann Myers Ayres | 01/31/2003 | WY |
| MW Petroleum Corp | Apache Corp | 04/23/2001 | WY |
| * Eastern States Office, Springfield VA |
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