<< Back to Corporate Name Change & Merger Home

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 TrustMary L. Tuttle-Hagstrom, Trustee09/20/2004WY
Madison Resources IncAdobe Resources Inc
    (Amended Decision-Lease Added)
    (Amended Decision-Leases Added)
05/09/1986
03/06/1987
12/10/1986
WY
WY
WY
Magic PetroleumPetro Carbons, Ltd07/02/1986WY
Magic Circle Energy Corporation Great Plains Pipeline Company08/29/2012WY

Magness Petroleum Corp

Cleary Petroleum Corp 
    Amended Decision—Additional Lease 
    Amended Decision—Additional Lease 
    Amended Decision—Additional Lease

10/06/1976
02/03/1978
06/12/1978
07/19/1978
WY
WY
WY
WY
Magnet Cove Barium CorpDresser Industries Inc
    Effective Date:
08/25/2004
11/21/1967
WY
Magnolia Petroleum COSocony-Mobil Oil CO Inc07/17/1960WY

Maguire Energy Company
& Maguire Oil Company 

Maguire Oil Company
Original Name Change Decision
Amended Name Change Decision
07/13/2010
Pending
07/15/2010
07/28/2010
NM
WY
NM
WY
Mallon Oil CompanyBlack Hills Gas Resources, inc.09/09/2009
01/06/2011
NM
WY
Manning R LNabors Drilling International Inc09/14/1995WY
Mapco Production CoMapco Oil & Gas Co05/08/1984WY
Mapleleaf Transactions IncAEC Oil & Gas (USA) Inc02/13/2002WY
Mar-Win Development CoMarshall & Winston Inc09/29/1990WY
Maralo IncMaralo Merging Corp11/20/2000WY
Maralo Merging CorpCCS Resources Inc03/20/1986WY
Marathon Petroleum CoMarathon Oil Co
    (Amended Decision-Additional Lease)
12/22/1982
10/19/1982
WY
WY
Mariah Energy CorporationRaptor Resources, Inc.01/14/2000
12/08/2010
NM
WY
Mariner Energy, Inc.Apache Deepwater LLC05/11/2011WY
Mariner Energy Resources, Inc.Apache Shelf, Inc.09/19/2013
10/28/2013
ES
WY
Marline Petroleum CorpCheniere Petroleum Corp
    (Amended decision-Added Lease)
03/26/1986
05/20/1986
WY
WY
MarkWest Ene Ptnrs LtdMarkWest Resources Inc07/18/1977WY
MarkWest Coalseam Developement Co. IncMarkWest Resources Inc07/18/1997WY
Markwest Resources, Inc.Markwest Hydrocarbon, Inc.

05/11/2012

05/24/2012

CO

WY
Mary Shore 1971 Trust Mary Margaret Shore 18th Restated Revocable
Trust, dated 09/06/2006, Wells Fargo Bank, Trustee
03/12/2012WY
Mary Shore 1971 Trust Wells Fargo Bank, Successor Trustee 01/16/2012WY
Masterson, James ALaramide LLC04/24/1995WY
Matador E&P CompanyTom Brown, Inc. (NM Notice) 
    (Wyoming Cover Memorandum)
 Matador Petroleum Corporation
    (Amended Wyoming Cover Memorandum)
09/18/2003
09/18/2003
06/06/2011

NM

WY

Matador Operating CompanyTom Brown, Inc.  
    (Wyoming Cover Memorandum Vacating
      Merger: Matador Operating Company 
      is still a company of record)
09/18/2003 

06/06/2011

NM

WY

Matador Petroleum CorporationTom Brown, Inc. (NM Notice) 
    (Wyoming Cover Memorandum) 
    (Amended Wyoming Cover Memorandum)
09/03/2003
09/18/2003
06/06/2011

NM
WY
WY

Matador Royalty CompanyTom Brown, Inc. (NM Notice) 
    (Wyoming Cover Memorandum)
Matador Petroleum Corporation
    (Amended Wyoming Cover Memorandum)
09/18/2003
09/18/2003
06/06/2011

NM

WY

Maxus Exploration CoMidgard Energy Co06/29/1995WY
May Energy Partners Operating Partnership LtdHallwood Energy Partners LP12/27/2002WY
Mayer, Len A, Estate ofMelissa M. Crowley06/05/2003WY
Mayfield, Gideon CEstate of Gideon C Mayfield, Central Bank of Denver, Personal Representative11/07/1986WY
Maynard CorporationMaynard Oil Company07/26/2004WY
Maynard Energy-85 Partnership

Company Dissolved 
    Assets Went To: Tintagel Energy Corp

04/22/1987WY

Maynard Energy, Inc.

Company Dissolved 
    Assets Went To: Tintagel Energy Corp

04/22/1987WY
Maynard Oil CompanyForest Oil Permian Corporation07/26/2004WY
Mayo Medical Res (MMR)May Foundation for Medical Education & Research Inc (MFMER)05/24/1990WY
MB Operating Company, Inc.  Great Lakes Energy Partners LLC 11/08/2011
01/23/2012
ES
WY
McAdams, Roux & Asoc IncPlains Petro Oper CO02/28/1991WY
McAlester Fuel Company

EnStar Petroleum Inc

    Amended Decision-Additional Lease

05/23/1983
07/25/1984
03/25/1986
MT
WY
WY
McAlester Fuel CompanyAlpetco Inc07/08/1977
04/29/1977
WY
MT
McAllister Judith RJudith M Woodruff Family Inter vivos Trust Agreement07/30/2001WY
McCulloch Gas Processing CorpMGPC, Inc. 
    Right-of-way 
    Amended Decision-Additional Lease
02/01/1982
03/23/1984
05/14/1984
WY
WY
WY
McCulloch Oil and Gas CorpMCOR Oil and Gas Corp11/22/1980WY
McCulloch Oil CorpMCO Holdings, Inc. 
    Amended Decision 
    Amended Decision
07/17/1984
06/25/1985
11/13/1985
WY
WY
WY
McCutcheon Energy CompanyWestern Interior Oil & Gas Corp12/30/2005WY
MCEC Acquisition Corporation  Magic Circle Energy Corporation08/29/2012WY
McElvain Oil & Gas Properties, Inc. McElvain Energy, Inc.09/29/2011
07/11/2011
CO
WY
McEnroe, Allan LNo record title interest in active leases05/02/2003WY
McLean, James D.Estate of James D. McLean, Carl T. McLean, executor02/25/2004WY
McMoRan Exploration CoMcMoRan Offshore Exploration CO08/25/1986WY
McMoRan Exploration Co of New Mexico McMoRan Offshore Exploration CO08/25/1986WY
McMoRan Freeport-Oil CoMcMoRan Offshore Exploration CO08/25/1986WY
McMoRan Offshore Production Co   McMoRan Offshore Exploration Co08/25/1986WY
McMoRan Oil & Gas CoMcMorRan Oil & Gas LLC01/06/1999WY
McMorRan Offshore Exploration Co McMoRan Oil & Gas Co.08/25/1986 WY
McMorRan-Stonex Co.McMorRan Offshore Exploration Co07/17/1985WY
McMurray Pipeline CoMcMurry Oil Company11/16/2001WY
McMurry Energy CoMcMurry Energy Co LLC02/13/2002WY
McMurry Energy Co LLCShell Rcky Mtn Prod LLC02/13/2002WY
McMurry Oil CompanyMcMurry Oil LLC09/10/2004WY
McMurry Oil LLCEnCana Oil & Gas (USA), Inc.
    (Amended Decision)
 01/28/2005WY
MCNIC O&G Mid-Continent IncMCNIC O&G Properties Inc12/31/1997NM
MCNIC O&G Central IncMCNIC O&G Properties Inc12/31/1997NM
MCNIC O&G Enhanced Production IncMCNIC O&G Properties Inc12/31/1997NM
MCO Holdings IncMaxxam Inc02/12/1991WY
MCO Resources IncUMC Petro Corp08/23/1990WY
MCOR Oil & Gas CorpUMC Petro Corp08/23/1990WY
MCR NewCorp, Inc.MCO Resources Spectrum Corp05/15/1986WY
Medallion Gas Services, IncKCS Resources, Inc.08/28/2002NM
Medallion Prod CoInterCoast O&G Co11/18/1996
06/02/1997
MT
WY
Medicine Bow Coal CompanyArch of Wyoming Inc02/25/1992WY
Medicine Bow Electric CoMedicine Bow Telephone Co05/21/1980WY
Medicine Bow Operating Co

El Paso E&P Company, L.P. 
    (Oil & Gas Leases Only)
El Paso E&P Company, L.P. 
    (Rights of Way Grants Only)

07/20/2006

Pending

WY

WY

Mega Natural Gas CompanySpring Holding Company  

05/06/2011
05/11/2011

ES
WY

Mercury Exploration CoMSR Exploration Ltd.04/12/2002MT
Mercury Montana IncMSR Exploration Ltd.04/12/2002MT
Meridian Oil IncBurlington Res O&G Co09/18/1996MT
Meridian Oil Prod IncMeridian Oil Inc05/20/1996MT
Merit Energy CompanyMerit Energy Company LLC 09/11/2013WY
Merit Energy Partners L.P.Merit Management Partners L.P.08/05/2005 WY
MeritNet Partners LPMerit Partners LP10/31/1996WY
Merrion, J. GregoryJ Gregory Merrion and Rita V Merrion Revocable Trust, Thomas Gregory Merrion as trustee01/12/2005CO
Merrion Petro CorpMerion Oil & Gas Corp02/28/2001NM
Mesa Holding CompanyMesa Operating Company01/14/1997NM
Mesa Operating CompanyPioneer Natural04/08/1999WY
Mesa Oper Ltd PtnrshpMesa Operating Company03/15/1994WY
Mesa Oper Ltd PtnrshpPioneer Natural04/08/1999WY
Mesa Petroleum CompanyPioneer Natural04/08/1999WY
Meyer, Earl OEarl O Meyer/Edna F Meyer Trust08/07/1996WY
MGF Oil CorpGBK Corp08/26/1993WY
MGS Development CoMCNIC O&G, Properties Inc12/31/1997NM
Michael, Forrest Estate ofEstate of Michael Forest,
Gary R. Storm, Personal Representative
11/17/2004WY
Mid-America Drilling & ExplorationPrairie States Exploration, Inc.11/16/1983WY

Mid-Continent Petroleum Corp

Sunray Mid-Continent Oil Company

10/14/1955WO
Midcontinent Acquisition Properties IncSundown Energy Inc06/20/2000NM
Middle Bay Oil Company3TEC Energy Corp11/24/1999NM

Middle Bay Oil Company, Inc.

3TEC Energy Corp

08/28/2001NM
Middle Bay Production Co3TEC Energy Corp08/28/2001NM
Midgard Energy CompanyMaxus Energy Corporation07/20/2006WY

Midland Oil Company

Consolidated Oil and Gas, Inc.

04/25/1961

WY

Midlands Gas CorpExcelsior Oil Corp07/17/1985WY
Midpar LPParker & Parsley; Devel LP05/12/1995MT
Midwest Oil Company Midwest Oil Corporation10/09/1952WO
Milestone Petro IncMeridian Oil Inc09/09/1985WY
Minatome CorporationTotal Minatome Corporation01/22/1988WY
MinnocoMinnoco I03/08/1999WY
Mission CorporationGetty Oil Company
    Amended decision
07/06/1977
07/08/1977
CO
ES*
Mission Development CompanyGetty Oil Company
    Amended Decision
10/09/1967
10/18/1967
10/18/1967
WY
WY
ES
Mitchell & Mitchell Gas & Oil CorpMitchell Energy Corp08/12/1971 
Mitchell & Mitchell Properties IncMitchell Energy Corp11/20/1974 
Mitchell Ene Prod CoMitchell Energy Corp05/21/1992WY
Mitchell Energy Company LPDevon Energy Operating Company LP05/24/2002CO
Mitchell Energy CorpMitchell Energy Co LP08/09/2001CO
Mitchell Energy Three IncMitchell Energy Corp04/27/1981 
Mitchell Gas Products IncMitchell Energy Corp01/29/1979 
MLDL, Inc.J. Walter Duncan Jr. Inc.01/20/1989WY
Mobil Oil Corporation
Mobil Oil Corporation
ExxonMobil Oil Corp
ExxonMobil Oil Corporation (Amended Decision)
07/25/2001
02/10/2006
WY
WY
Monahan, Rex  Estate of Rex Monahan,
Doris Monahan Personal Representative 
01/09/2012WY
Mohan Petroleum Wyoming IncAnderman Oils of Wyoming01/31/2003WY
Monsanto Chemical CoMonsanto Co05/05/1964WY
Monsanto Oil CoBHP Petroleum Co08/15/1986WY
Montana-Dakota Utilities CoMDU Resources Group, Inc.06/11/1986WY
Montana Power Gas Co, TheNorth American Resources Company01/30/2002MT
Montara Petroleum CompanyNord-Montara Petroleum Company02/17/1984WY
Monte Grande Exploration IncMSR Exploration Ltd.04/12/2002MT
Monterey Resources Inc, Texaco California IncChevron USA Inc07/10/2003CA
Moore, David AMoore, Beverly J04/03/1991WY
Moore McCormack Energy IncCXY Energy Inc10/31/1988WY
Moore McCormack Oil & Gas CorpMoore McCormack Energy Inc05/30/1985WY
Moore McMormack Energy IncCXY Energy Inc03/08/1989WY
Moran Exploration IncKaneb Production Co04/24/1985WY
Morgan Richardson Operating CompanyRichardson Operating Co12/10/1992WY
Mountain and Plains Oil CoNatural Resources Corp02/28/1983WY
Mountain and Plains Oil & Gas CoAdobe O&G Corp02/28/1983WY
Mountain Fuel Res IncQuesar Pipeline07/12/1988WY
Mountain O&G Co of WYMountain O&G Co of MT01/03/1997
10/17/1996
WY
Mountain Plains Oil CoAdobe Oil & Gas Corp02/03/1983WY
Mountain Producers Corporation Midwest Oil Corporation10/09/1952WO
Mountain States Res IncMSR Exploration Ltd.04/12/2002MT
Mountfort-Webb Oil Co IncBennett Petro Corp02/22/1974WY
Moxa Energy CorpMaze Energy Corp
    Amended Decision-Additional Lease
08/01/1985
02/11/1987
WY
WY
Moxy LLCMcMoran Oil & Gas LLC
Amended Wyoming Notice 
01/06/1999
06/06/2011
WY
WY
MRL Partners, LPLowe Partners, LP05/02/2005NM
MROC LLCMR Oilco LLC03/26/1999WY
MSR DrillingMSR Exploration Ltd.04/12/2002MT
MSR Exploration Ltd.Quicksilver Resources Inc04/12/2002MT
MSR Exploration Ltd.Mercury Montana Inc04/12/2002MT
MSR Exploration of Texas IncMSR Exploration Ltd.04/12/2002MT
MSZ Resources IncCorrida Oils Inc07/07/1982WY
Mulford, Jr., Vincent S.Rosamund F. Mulford Trust, The Trust Company of Oklahoma, trustee09/08/2005WY
Mullen David EOwl Royalties Inc03/05/1999WY
Mullen, David E.Estate of David E. Mullen03/05/1999WY
Mullen David E, Estate of,

Miller Timothy K
Miller, Michael D.

03/05/1999WY
Mullins & White Exploration, Inc.Guardian Oil & Gas, Inc.12/07/2009
12/14/2009
NM
WY
Murphy Oil CorpMurphy Oil USA Inc.01/09/1984WY
Murray Exploration IncFloyd Murray and Company02/16/1989WY
Murray J Herring LtdTop Operating Company11/14/2011
03/28/2012
 CO
WY
Muschinske, Jerome A. Estate of Jerome A. Muschinske, Danette t. Mayer, Ruthann Poirior & Victoria L. Muschinske Heirs to the Estate07/19/2010 WY
Myers, Jack Milton, Estate ofJack Chandler Myers, Robert Lee Myers,
Mary Ann Myers Ayres
01/31/2003WY
MW Petroleum CorpApache Corp04/23/2001WY
* Eastern States Office, Springfield VA

#  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