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 |
|---|---|---|---|
| PG & E Gas Supply Company | NGC Energy Company | 07/30/1987 | WY |
| PG&E Res Co | DALEN Res O&G Co | 11/18/1994 | WY |
| P&O Falco, Inc. | UPG Falco | 10/17/1985 | WY |
P&O Falco, Inc. | UPG, Inc. | 02/06/1986 | WY |
| P&O Oil Corp | Southland Royalty | 04/14/1980 | WY |
| P&P Producing Inc | Midpar LP | 06/15/1995 | WY |
| P&P Prod Texas Inc | P&P Producing Inc | 11/01/1993 | WY |
| Pacific Enterprises ABC Corp | Sempra Oil & Gas Inc | 10/25/2000 | WY |
| Pacific Enterprises Oil Company (USA) Vacated | Pacific Enterprises ABC Corp Vacated | 10/25/2000 02/13/2002 | WY WY |
| Pacific Enterprises Oil Co (USA) | Sempra O&G Inc Vacated | 10/25/2000 02/13/2002 | WY |
| Pacific Enterprises Royalty Company | Pacific Enterprises Oil CO (USA) | 02/20/1990 | WY |
| Pacific Telecom, Inc, dba PTI Communications, Inc. | CenturyTel of Wyoming, Inc. | 03/03/2004 | WY |
| Pacific Transmission Supply Company | PG & E Gas Supply Company | 07/30/1987 | WY |
| Pan American Petroleum Corporation | Amoco Production Company | 04/06/1971 06/08/1987 | ES* WY |
| Pan Eastern Exploration Co | APX Corp | 01/22/1986 | WY |
| Panada Exploration Inc | LaTex Petroleum Corp | 07/24/1997 | NM |
| PanCanadian Energy Corp | EnCana Corp | 05/23/2002 | MT |
| PanCanadian Energy Resources Inc | EnCana Energy Resources Inc | 05/23/2002 | MT |
| PanCanadian Energy Holdings Inc | EnCana Energy Holdings Inc | 05/23/2002 | MT |
| PanCanadian Energy Services Inc | EnCana Energy Services Inc | 05/23/2002 | MT |
| PanCanadian Gulf of Mexico Inc | EnCana GOM Inc | 05/23/2002 | MT |
| PanCanadian Heritage Lands | EnCana Heritage Lands | 05/23/2002 | MT |
| PanCanadian Midstream Inc | EnCana Midstream Inc | 05/23/2002 | MT |
| PanCanadian Midstream Limited | EnCana Midstream Limited | 05/23/2002 | MT |
| PanCanadian Resources | EnCana Resources | 05/23/2002 | MT |
| Panhandle Western Gas Co | APX Western Corp | 07/28/1988 | WY |
| Pannonian Energy Inc | Gasco Production Company | 04/27/2004 | WY |
| Parcal Texas, Inc, a Texas Corporation | Parcal, Inc. A Delaware Corporation | 04/26/2005 | WY |
| Parcal Texas, Inc, a Texas Corporation | Midpar L.P., a Texas Corporation | 04/26/2005 | WY |
| Parker & Parsley Acquisition Company | P&P Prod Texas Inc | 11/01/1993 | WY |
| Parker & Parsley Dev Co | Midpar LP | 04/04/1996 | MT |
| Parker & Parsley Dev LP | Parker & Parsley Prod LP --DBA (Amended Decision) | 12/27/1994 04/04/1996 | MT |
| Parker & Parsley Dev LP | Pioneer Natural Res USA | 03/25/1999 | WY |
| Parker & Parsley O&G Co | Parker & Parsley; Petro USA | 12/30/1994 | MT |
| Parks, Ida C., Estate of | Kevin R. Parks, Personal Representative | 07/02/2004 | WY |
| Parks, Kenneth J., Estate of | Kevin R. Parks, Personal Representative | 07/02/2004 | WY |
| Parson Elmer S Jr | Parson Oil LLC | 08/20/1996 | WY |
| Patina Oil & Gas Corporation | Noble Energy Production, Inc. | 10/05/2005 | CO |
| Patrick Petroleum Of MI | American National Petroleum Co | 11/04/1999 | WY |
| Patrick Petroleum Of MI | Goodrich Petroleum Company of Louisiana | 11/04/1999 | WY |
| Patriot Land Company | Patriot Land LLC | Pending | WY |
| Patterson Petroleum, LP | Patterson Petroleum, LLC (NM Notice Oil & Gas Leases Only) WY Cover Memo. (Oil & Gas Leases Only) |
| NM WY |
| Pauley Petroleum, Inc. | Hondo Oil & Gas Company | 03/15/2005 | WY |
| P'Bell Ene Company/Corp | CoEnergy Mid-Continent Inc | 12/31/1997 | NM |
| Pecos Production Company | Chesapeake PPC Corp | 12/30/2005 | NM |
| Pennzoil Petroleum Co | Pennzoil Expl & Prod Co | 12/30/1994 11/09/2001 | NM WY |
| Pennzoil Expl & Prod Co | PennzEnergy Expl & Prod LLC | 12/28/1998 11/09/2001 | NM WY |
| Pennzoil Producing Company | Pennzoil Company | 03/08/1987 | WY |
| PennzEnergy Exploration & Production Company LLC | Devon Energy Production Company LP | 12/28/1998 12/20/2000 11/09/2001 | NM CO WY |
| Peoples Energy Production - Texas, L.P. | Coronado Energy E & P Company, L.L.C. | 01/30/2009 02/04/2009 | NM WY |
| Perenco LLC | LCX Energy LLC | 09/08/2005 | NM |
| Performance Drilling Motors Inc | Performance Drilling Management | 01/25/1999 | UT |
| Perry R Bass Inc | Chisholm Trail Ventures LP | 02/23/2001 | WY |
| Peschel, Lawrence C. | Mary P Jakes | 02/23/2001 | WY |
| PetroCorp Acquisition Company | PetroCorp Inc | 08/26/2003 | WY |
| PetroCorp Incorporated | Unit Petroleum Company | 07/27/2006 | WY |
| Petrodel Exploration | Petrofina Delaware Inc | 06/07/1989 | WY |
| Petrofina Delaware Inc | ATOFINA Petrochemicals Inc | 05/07/2002 | MT |
| Petrofina Exploration Inc | American Petrofina Company of Texas (Certificate Only) | 10/30/1990 06/28/1985 | WY |
| Petroleum Development Corp | Warren E&P Inc | 11/14/2003 | WY |
| Petroleum LP, LLLP | Patterson Petroleum, LLC (NM Notice Oil & Gas Leases Only) WY Cover Memo. (Oil & Gas Leases Only) |
| NM WY |
| Petroleum Resources Co | Bison Production Company | 09/15/1994 | NM |
| Petromark Merger Co | GKM Inc | 10/15/1987 | WY |
| Petromark Resources Co | PEDCO Resources Co | 05/22/1990 | WY |
| Petromark Resources, Inc | GKM Inc | 10/15/1987 | WY |
| Petroquest, Inc | High Plains Oil Corp | 05/09/1986 | WY |
| Petroro Corp | Captiva Res Inc | 06/12/1998 | WY |
| Petrotide Ltd | Posse Energy Ltd | 02/03/1997 | MT |
| Petrotiger II Ltd | Posse Energy Lte | 02/03/1997 | MT |
| Petro-Lewis Corporation | FPCO Oil and Gas Company | 07/24/1987 | WY |
| Petro Ventures Expl Co | MCNIC O&G, Properties Inc | 12/31/1997 | NM |
| PETX Petro Corp | Anchor Bay Corp | 05/01/1990 | WY |
| Phibro Oil & Gas Corp | IDC Energy Corp | 07/19/1984 | WY |
| Philadelphia Quartz Company | PQ Corporation | 05/01/1978 | WY |
| Phillips Oil Company | Phillips Petroleum Co | 01/08/1988 | CA |
| Phillips Oil Company | Phillips Petroleum Company (Amended) (Amended) | 10/29/1985 12/17/1985 01/08/1986 | WY WY WY |
| Phillips Petroleum Company | ConocoPhillips Company | 02/14/2003 | WY |
| Picon Petroleum, Inc. | Picon Exploration, Inc. | 01/06/1986 | WY |
| Pilot Production Company | Tom Brown Inc | 09/18/2003 | NM |
| Pinedale Corporation | Energy Minerals Corporation | 09/14/1979 | WY |
| Pioneer BC Asset Sub LLC | Pioneer Debt Sub LLC | 02/10/2005 | MT |
| Pioneer Debt Sub LLC | Pioneer Natural Resources USA Inc | 02/10/2005 | MT |
| Pioneer Evergreen Properties LLC | Pioneer Debt Sub LLC | 02/10/2005 | MT |
| Pioneer Natural | Pioneer Natural Resources USA Inc | 04/08/1999 | WY |
| Plains Petro Company | Barrett Resources Corp | 03/14/2001 | WY |
| Plains Petro Operating Co | Barrett Resources Corp | 03/14/2001 | WY |
| Plains Pipeline LP | Plains Marketing LP | 08/01/2005 | WY |
| Planet Oil and Minerals Corp | Dalco Oil Company | 10/21/1977 | WY |
| Plantation Petroleum Acquisition LLC | RB Operating Company | 10/21/2005 | NM |
Plaza Acquisition I Corp | EnCana Oil & Gas ( USA), Inc. | 03/22/2005 | CO |
| Plaza Acquisition II Corporation | Tom Brown Inc | 12/22/2004 | ES |
| Pogo Producing Company | PXP Acquisition LLC | 02/12/2008 | WY |
| Polumbus Corporation, The | W.R. Grace and Company | 03/17/1977 | WY |
Polumbus Petroleum Corp | W.R. Grace and Company | 11/07/1978 | WY |
| P O R Oil & Gas Inc | Norcen Explorer Inc | 07/24/1995 | WY |
| Posse Petroleum Ltd | Posse Energy Ltd | 02/03/1997 | MT |
| Powder River Coal Company | Powder River Coal LLC | 03/27/2006 | WY |
| Powerbridge, Inc. | Pioneer Natural Resources USA, Inc. | 04/26/2005 | MT |
| PPPCO One Oil Co Ltd | Posse Energy Ltd | 02/03/1997 | MT |
| PRB Gas Transportation, Inc. | PRB Oil & Gas, Inc. (Rights-of-Way Grants Only) | pending | WY |
| Presido Energy Inc | Presidio Exploration Inc | 03/10/1994 | WY |
| Presidio Exploration Inc | TBI Exploration Inc | 07/18/1997 | WY |
| Presidio Oil Company, TBI Oil Company | Tom Brown, Inc. | 03/02/2005 | WY |
| Presidio Pipeline Inc | Presidio Gas Resources | 07/23/1991 | WY |
| Preston, Jeffery D, aka Jeffrey D Chorney | Jeffrey D Preston Testamentary Trust & CB Community School Parent-Teacher-Student Association | 11/05/2002 | WY |
| Prima Management Corp | Prima Oil & Gas Company | 01/04/1990 | WY |
| Prima Oil & Gas Company (a Colorado Corporation) | Petro-Canada Resources (USA) Inc | 12/27/2004 | WY |
| Primary Natural Resources, Inc. | Resolute Wyoming, Inc. Oil & Gas Leases Resolute Wyoming, Inc. Rights-of-way Grants | 11/13/2008 01/07/2009 | WY WY |
| PrimeWest Petroleum, Inc. | TAQA North USA, Inc. | pending | WY |
| Primero Gas Marketing Co | Pioneer Natural Resources USA, Inc. | 04/26/2005 | MT |
| Princeps Partners, Inc. | JN Resources, Inc. | 10/03/2005 | WY |
| Prodeco Exploration Inc | Prodeco Investments Inc | 10/07/1986 | WY |
| Prodeco Investments Inc | Bow Valley O&G Inc. | 10/07/1986 | WY |
| Prodeco Oil & Gas Co Ltd | Bow Valley Industries | 10/07/1986 | WY |
| Prodeco Resources Inc | Prodeco Investments, Inc | 10/07/1987 | WY |
| Program Acquisition Co | Bellwether Exploration Co | 05/21/2001 | WY |
| Progress Fuels North Texas Gas LP | Winchester Production Company | 01/25/2005 | NM |
| Provident Life Insurance Co | United States Life Insurance Co | 12/29/2004 | MT |
| Provident Resources Inc | Trend Exploration Ltd (Amended Decision) | 08/19/1986 05/04/1995 | WY WY |
| PRS Offshore, L.P. | Pure Resources, LP | 06/08/2006 | NM |
| Prudential-Bache Energy Income Fund 1983 P-1, et al | Parker & Parsley Acquisition Compnay | 12/22/1993 | WY |
| Prudential-Bache Energy Income Fund Prod Ptnrshp 1983 p-1, et al | Parker & Parsley Acquisition Company | 12/22/1993 | WY |
| Prudential-Bache Energy Income Ltd Ptnrshp IIP-4, et al | Parker & Parsley Acquisition Company | 12/22/1993 | WY |
| Prudential-Bache Energy Income Prod Ptnrshp IIP-4, et al | Parker & Parsley Acquisition Company | 12/22/1993 | WY |
| Prudential-Bache Pension & International Investor LTD Ptnrshp PI-1 LTD, et al | Parker & Parsley Acquisition Company | 12/22/1993 | WY |
| Prudential-Bache Pension & International Investor Prod Ptnrshp PI-4, et al | Parker & Parsley Acquisition Company | 12/22/1993 | WY |
| Prudential-Bache Pension & Retirement LTD Ptnrshp PBR-1, et al | Parker & Parsley Acquisition Company | 12/22/1993 | WY |
| Prudential-Bache Pension & Retirement Production Ptnrshp PBR-1, et al | Parker & Parsley Acquisition Company | 12/22/1993 | WY |
| Prudential Funds, Inc., The | Prudential Group, Inc., The | 09/28/1978 | WY |
Prudential Minerals Exploration Corp | Del Mar Petroleum, Inc. | 06/08/1972 | NM |
| Public Lands Exploration Inc | Corona Oil Co | 11/18/1981 | WY |
Pure Oil Company | Union Oil Company of CA | 09/01/1965 | WY |
| Pure GP, LP | Pure Resources, L.P. | 10/11/2006 | MT |
| Pure Resources, LP | Chevron Midcontinent, L.P. | 06/08/2006 Withdrawn | NM WY |
| Pure Resources Holdings, LLC | Pure Resources, L.P. | 10/11/2006 | MT WY |
| PXP Acquisition LLC | Pogo Producing Company LLC | 02/12/2008 | WY |
| * Eastern States Office, Springfield VA |
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