U.S. DEPARTMENT OF THE INTERIORBUREAU OF LAND MANAGEMENT
Wyoming
 
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Corporate Name Change & Merger Index

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Company Name
(OLD NAME)
Changed or Merged To
(NEW NAME)
Date of
BLM WY
Decision or
Cover Memo
BLM State
Office that
Issued
Decision
Hackathorn New Zealand Oil LtdChampion Ventures Inc02/25/1971WY
Hadson Petro(USA) IncHadson Ener Res Corp05/20/1993WY
Hadson Ene ResApache Ene Res Corp09/05/1995WY
Halcon Geo Holdings LLCHalcon Energy Holdings LLC09/20/2013
10/28/2013
MT
WY
Hallwood Consolidated Partners LPHallwood Energy Parternship12/27/2001MT
Hallwood Energy CorpHEP Pure, LP08/28/2002CO
Hallwood Energy Partners LPHEP Partners LP07/12/2002MT
Hallwood GP IncCompany Dissolved04/12/2001MT
Hallwood Oil & Gas IncCompany Dissolved12/27/2002MT
Hallwood Petroleum IncHEC Partners Inc07/12/2001MT
Hamill, Claude BEstate of Claude B Hamill09/10/1986WY
Hanlad Oil CorpMcBride Oil & Gas corp12/14/1998NM
Hanoco, A PartnershipHaloco CO, A Partnership03/11/1986WY
Hanover Planning Company, IncHanover Petroleum Corporation04/04/1975WY
Hanson Oil CorpMcBride Oil & Gas Corp11/05/1987WY
Harold Shore TrustWells Fargo Bank, Successor Trustee01/16/2012WY
Harper Oil CoMidcon Central Exploration Co
    Amended Decision-Added Lease
05/29/1986
09/30/1987
WY
WY
Harrington & Bibler, Inc.Bibler Resources Company11/29/2004MT
Hartman, Irving  Estate of Irving Hartman, Helen Hartman sole beneficiary, Eileen Allen Executrix of the Estate08/12/2013WY
Harvard Petroleum CorporationHarvard Petroleum Company LLC 
    NM Notice (Oil & Gas Leases Only) 
    WY Cover Memo. (Oil & Gas Leases Only)


04/01/2008
04/10/2008


NM
WY
Harvest States CooperativesCenex Inc12/01/2000WY
Harvest States CooperativesCenex Harvest States Cooperatives12/01/2000WY
Hassie Hunt Production CompanyHassie Hunt Exploration Company09/09/2009
09/15/2009
MT
WY
Hassie Hunt Exploration CompanyHHE Company09/09/2009
09/15/2009
MT
WY
Hawks Company, TheHawks Company LP, The
    Amended Decision
06/19/1987
09/23/1991
WY
WY
Hawthorne O&G CorpAmer Natl Petro Co12/03/1993WY
Haynie & MayerH & M Oil Producers, Inc.04/14/1988WY
Hazel M Lindl Testamentary TrustHazel M Lindl Testamentary Trust #1 For the Benefit of Robert E. Brown & Hazel M. Lindl Testamentary Trust #2 For the Benefit of Gloria Jean Deines01/29/2007WY
Hazel M Lindl Testamentary Trust #2 For the Benefit of Gloria Jean DeinesCharles Howard III, John Howard & Christopher Tashlein as beneficiaries01/29/2007WY
HD Oil CompanyHomer Dean Oil Co Inc08/21/1990WY
Headington Oil CoHeadington Canada Corp07/09/1999WY
Headington Oil Company LPHeadington Oil Company LLC02/12/2008WY
HEC La Plata, L.L.C.Pure Resources, LP 06/08/2006NM
HEC Peru, L.L.C.Pure Resources, LP 06/08/2006NM
HEC Petroleum, Inc.

Pure Resources, LP 
    (Oil & Gas Leases Only)
Pure Resources LP 
    (Rights-of-Way Grants Only)

 06/08/2006

Withdrawn

NM

WY

HEP Oil Company, Ltd.HEP Oil GP, LLC

09/17/2010
09/21/2010

NM
WY
HEP Oil Company, LtdSilver Creek Resources, LLC

05/20/2013 
08/26/2013 

NM
WY
HEP Oil GP, LLCSilver Creek Resources, LLC  

05/20/2013
08/26/2013

NM
WY
HEP Partners, L.P.Pure Resources, LP 06/08/2006NM
HEP Pure, LPPure Resources, LP

10/11/2006
11/06/2006

MT
WY

HEP Pure Acquisition, L.L.C.Pure Resources, LP 06/08/2006NM
HEP San Juan, L.L.C.Pure Resources, LP 06/08/2006NM
H.E.P. Oil Co LLCH.E.P. Oil Co Ltd.04/23/2001WY
Helen Rorbach Kannenstine Estate
Louis Fabian Kannenstine Trust, David Edward Kannenstine Trust & Emily Ann Kannenstine Trust
01/20/2007
WY
Helmet Petroleum CorporationArapaho Energy, Inc01/30/1985WY
Henderson Petroleum CorporationBurkhart Petroleum Corporation04/02/1986
04/25/1986

WY
WY

Henry Petroleum LPCOG Operating LLC03/17/2010
03/24/2010
NM
WY
Herboil CoDMF Resources Inc04/03/1996WY
Hess Investment Corp American Oil & Gas, Inc.07/13/2011
07/22/2011
MT
WY
Hess Oil & Chemical CorpAmerada Petroleum Corp10/10/1969ES*
Hewitt, Helene, Estate of

William Evert Andrau Trust #1, William Evert Andrau Trust #2, Helene B Hewett/ Barbara A Powell Trust #1, Helene B Hewett/Barbara A Powell Trust #2, Siegler Family Trust #1, Siegler Family Trust #2

02/24/2004WY
HHE Company HHE Energy Company09/09/2009
09/15/2009
MT
WY
HHEC Acquisition Corporation Hassie Hunt Exploration Company09/09/2009
09/15/2009
MT
WY
Hickok Clifford P, Estate ofMarion Lee Hickok, Frederick R Hickok & William C Hickok, Successors-In-Interest04/20/1995WY
Hickok Marion Lee, Estate ofFrederick R Hickok & William C Hickok, Successors-In-Interest04/20/1995WY
Hickok William CHickok Partners04/20/1995WY
Hickok Frederick RHickok Partners04/20/1995WY
High Crest Oils, Inc.Tricentrol United States, Inc.01/22/1975WY
High Mountain Ranches, Inc.Antelope Run Ranch, Inc.09/15/2005WY
HighMount Black Warrior Basin, LLCWalter Black Warrior Basin, LLC09/22/2010
10/04/2010
ES
WY
HighMount Exploration & Production Michigan LLCLinn Exploration & Production Michigan LLC10/13/2010
10/22/2010
ES
WY
HighMount Midwest Energy LLCLinn Midwest Energy LLC10/13/2010
10/22/2010
ES
WY
High Plains Oil CorpAdobe Resources Corporation
    (Amended Decision)
07/10/1989
07/10/1995
WY
WY
High Plains Operating Company, LLCHPOC,LLC

02/09/2012

11/30/2012

NM
WY

Highland Production Co

Corporate Dissolution
Assets went to Quay Valley Inc

11/24/1998
12/31/1998

NM
WY

Hingeline-Overthrust Oil & Gas, Inc.Whiting Petroleum Corp04/02/1984WY
Hixon Development CoGiant Expl & Prod Co03/30/1998WY
HNG Oil CoEnron Oil & Gas Co11/16/1990WY
Home Oil Company of Canada, a Delaware CorporationHome Petroleum Corp05/23/1974WY
Home Petroleum CorpHPC, Inc
    Amended Decision
02/13/1989
03/14/1989
WY
WY
Home-Stake Oil & Gas CompanyCortez Operating Company10/10/2002WY
Home-Stake Royalty CorpHome-Stake O&G Co03/14/1998WY
Hondo Oil & Gas CompanyAtlantic Richfield Company04/27/1987WY

Houston Exploration Company, The

Forest Oil Corporation

07/27/2007WY
Howell Petroleum Corporation  Anadarko E&P Onshore LLC04/29/2013WY 
H S Resources IncKerr-McGee Rocky Mountain Corp09/19/2001
09/18/2001
WY
CO
HPC Holdco, Inc.HPC Operating Company 06/16/2009WY
HPC Operating CompanyXH, LLC 06/16/2009WY
HPC Reorg Sub, Inc.HPC Operating Company 06/16/2009WY
HR Energy, LLCUnited Natural Gas, LLC 08/23/2011WY
Hubbard, Kenneth LeroyThe Estate of Kenneth Leroy Hubbard; Donald G. Hubbard, Peggy H. Seymour, JoAnn H. Wolfe and Vicky H. Auberry, devisees.11/25/2005WY
Hugoton Capital Ltd PartnershipMesa Operating Company01/14/1997NM

Hugoton Energy Corp

Chesapeake Mid-Continent Corp
    NM Bond Decision
    WY Cover Memorandum


03/20/1998
03/10/1999


NM
WY

Hugoton Management CoMesa Operating Company01/14/1997NM
Humble Oil & RefiningExxon Corporation09/03/2004WY
Hunt Petroleum CorporationHPC Operating Company 06/16/2009WY
Hunt Petroleum (AEC) IncXTO Energy Offshore Inc06/15/2009WY
Huron Petroleum CorpBeacon Exploration Co06/07/1984WY
Husky IncHusky Oil Co01/26/1965CO
Husky Oil CompanyMarathon Oil Co (Original Decision)
    (Amended Decision-Additional Lease)
    (Correction to title WYW 45810)
    (Amended Decision-Additional Lease
10/11/1984
10/11/1985
01/21/1986
08/15/1986
WY
WY
WY
WY
Husky Oil Co of DelawareHusky Inc01/26/1965CO
Husky Oil Co of Delaware

Husky Oil Company

10/15/1968
10/16/1968
01/20/1969
UT
CO
WY
Husky Oil Co of Delaware

Husky Oil Company



    (Amended Decision-Additional Lease)
    (Amended Decision-Rights-of-way)

11/17/1976
11/23/1976
01/19/1977
03/01/1977
04/21/1977
09/29/1977
UT
CO
WY
NM
WY
WY
* Eastern States Office, Springfield VA

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Last updated: 02-13-2014