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
R L Manning IncNabors Drilling International09/14/1995WY
R Patton TR FBO MCasey QTIP Trst

Bessemer Trust Company of FL, Trustee

10/13/1999WY
RAG Coal West, Inc.Foundation Coat West, Inc.11/09/2004WY
RAG Shoshone Coal CorporationShoshone Coal Corporation09/15/2005WY
RAG Wyoming Land CompanyFoundation Wyoming Land Company11/19/2004WY
R & R InvestmentsR & R Royalty, Ltd11/01/2005NM
Rainbow Resources Inc

Williams Exploration Company 
    Amended Decision-Additional Lease 
    Amended DecisionCorrection to Lease# 
    Amended Decision-Additional Lease 
    Amended Decision-Additional Lease 
    Amended Decision-Additional Lease 
    Amended Decision-Additional Lease 
    Amended Decision-Additional Lease 
    Amended Decision-Additional Lease 
    Amended Decision-Additional Lease
    Amended Decision-Additional Lease

01/26/1982
05/10/1982
02/16/1982
05/26/1982
08/13/1982
09/14/1982
06/01/1983
02/01/1984
02/23/1984
01/08/1985
09/09/1995
WY
WY
WY
WY
WY
WY
WY
WY
WY
WY
WY
Ralph J. Thomspon Sr. Trust AgreementThompson, Ralph J. Jr.03/27/2006WY
Ram Energy Holdings (LA), Inc.HRC Energy Holdings (LA), Inc. 08/31/2012WY
Ram Energy, Inc. Halcon Holdings, Inc. 08/29/2012WY
Ram Energy Louisiana, LLCHRC Energy Louisiana, LLC 08/29/2012WY
Ram Energy Resources, Inc.Halcon Resources Corporation 
    Amended Notice
08/29/2012
09/17/2012
WY
Ram Energy Resources (LaFourche), Inc.HRC Energy Resources (LaFourche), Inc. 08/29/2012WY
Ram Energy Resources (WV), Inc.HRC Energy Resources (WV), Inc. 08/29/2012WY
Ram Operating Company, Inc.Halcon Resources Operating, Inc. 08/29/2012WY
Ramco Operating CompanyRAM Energy Inc01/14/1999NM
Ramco-NYL 1987 LTD PartnershipRAM Energy Inc01/14/1999NM
Ramsay, E A Estate of E A Ramsay to Keith Ramsay as Successor-In-Interest 05/25/2010 WY
Ran Ricks IncRicks Exploration Inc11/29/2004NM
Range Operating New Mexico IncRange Operating New Mexico, LLC06/30/2010
07/19/2010
NM
WY
Range Production I, L.P.Range Texas Production, L.L.C. 06/03/2010
06/09/2010
NM
WY
RB Operating CoRAM Energy Inc01/14/1999NM
RB Operating CompanyRange Operating New Mexico, Inc.10/21/2005NM
Reading and Bates, Inc.

Reading & Bates Oil and Gas Company

07/30/1973WY
Re-Bar National IncWorldwide Petroleum Corp01/03/1967WY
Redstone Gas Partners LLCFidelity Expl & Prod Inc05/31/2001CO
Redwine Holding, LLCCross Timbers Oil Company05/06/2011
05/11/2011
ES
WY
ReliaStar United Services Live Insurance Company

ReliaStar Life Insurance Company

12/29/12004NM
Remington Oil and Gas CorporationEnergy Resource Technology GOM, Inc.03/10/2009
03/27/2009
ES
WY
Republic Royalty CompanyDorchester Minerals LP11/14/2003WY
Reserve Oil and Gas CompanyGetty Oil Company03/24/1986WY
Reserve Oil IncGetty Reserve Oil Inc
    Amended Decision Additional Lease
08/26/1986
10/22/1980
WY
WY
Resources Acqstn CorpWilliams Prod RMT Company09/18/2001WY
Retex, Inc.EnCana Oil & Gas (USA) Inc 03/15/2005CO
Reynolds Mining Corporation

Reynolds Metals Company

09/091980WY
Riata Energy, Inc.SandRidge Energy, Inc.03/04/2006
05/07/2009
02/25/2011
CO
WY
NV
Richard P Desmet and Thelma F DeSmet 1971 TrustThelma F. Davis, Michele Ann Garbarino & Victoria Mildred Blunt, Co-Executrixes05/26/1976WY
Richco Exploration IncChartering Co Inc
    (Amended Decision)
    (Amended Decision-Additional Lease)
09/13/1982
12/15/1982
02/04/1983
WY
WY
WY
Richfield Oil Corporation
The Atlantic Refining Company
02/01/1966
WY
Ricketts, Ezra (E.L.).Estate of Ezra (E.L.) Ricketts, Richard L. Ricketts, Fiduciary08/05/2005 WY
Ricks Exploration IncConcho Exploration Inc11/29/2004NM
Ricks Exploration II LPConcho Oil & Gas LP11/29/2004NM
Rife Oil CorpMatrix Global Energy Corp04/18/2003NM
RIM-CBM LLCRIM Operating Company03/28/2012WY
RIM LLP RIM LLLP07/28/2011
08/23/2011
MT
WY
Rincon Exploration LLCNearburg Exploration Company, L.L.C.09/30/2010
10/05/2010
MT
WY
Riverbend Production, L.P.   Black Stone Energy Company, LPPendingWY
River Gas CorpPhillips Petroleum Company07/09/2001WY
RLP Gulf States, L.L.C.HLP Gulf States, LLC 08/29/2012WY
RME Petroleum CompanyAnadarko E&P Company LP10/10/2002WY
RME Oil & Gas CompanyAnadarko OGC Company07/12/2012WY
Robert M Bass Group IncKeystone Inc11/27/1990WY
Robin Resources, Inc.Roadrunner Oil & Gas, Inc.09/19/2013
10/28/2013
ES
WY
Robinette, Richard E., Jr.,

Estate of Richard E. Robinette
Ronald Blanton Robinette, successor-in-interest

05/15/2001WY
Rocno CorporationEnCana Oil & Gas (USA) Inc03/15/2005CO
Rock Oil Corp

Pike Petroleum Corp

06/07/1983WY
Rock Well Petroleum (US) IncAlpha Petrovision (US) Inc.12/13/2012WY
Rock Well Resources (US) Inc  Rock Well Petroleum (US) Inc12/13/2012WY
Rockies Acquisition Properties IncWilliams Production Rocky Mountain Company07/08/1999
07/19/1999
UT
WY

Rocky Mountain Energy Company

Union Pacific Minerals, Inc.

11/06/1987WY
Roddy Production Company, Inc.
Roddy Production Company, LLC
    UT Conversion Notice
    NM Conversion Notice
    Corrected New Mexico Name Change Notice
    WY Cover Memorandum
    Corrected Wyoming Cover Memorandum

06/03/2008
07/29/2008
02/18/2009
08/15/2008
03/03/2009

UT
NM
NM
WY
WY
Roemer-Sheridan Operating IncSan Marco Petroleum Inc08/08/1995WY
Ronan, Inc.Nance Resources, Inc.02/07/2011
02/08/2011
MT
WY
Rosetta Resources Texas LP LLPRosetta Resources Operating LP03/03/2006WY
Rosetta Resources Texas GP LLCRosetta Resources Operating LP03/03/2006WY
Rosetta Resources Texas LPRosetta Resources Operating LP03/03/2006WY
Rosetta Resources Rockies LLCRosetta Resources Operating LP03/03/2006WY
Rosetta Resources California LLCRosetta Resources Operating LP03/03/2006WY

Rosewood Enterprises, Inc.

Rosewood Resources, Inc.

11/04/1988WY
Rover Resources, Inc.Crescent Point Energy U.S. Corp

04/27/2012

05/31/2012

CO

WY
Royal Resources CorpRoyal Properties Inc02/14/1989WY
Rutter Holdings, Inc.Western Gas Res--Sand Wash, Inc.10/12/2004CO
RWG Energy, Inc.Halcon Energy Properties, Inc. 08/29/2012WY
RYTTSA USA IncMaxus Energy Corporation07/20/2006WY
RZ, Inc.Zeneco, Inc.11/06/2006WY


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Last updated: 02-13-2014