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 Ltd | Champion Ventures Inc | 02/25/1971 | WY |
| Hadson Petro(USA) Inc | Hadson Ener Res Corp | 05/20/1993 | WY |
| Hadson Ene Res | Apache Ene Res Corp | 09/05/1995 | WY |
| Hallwood Consolidated Partners LP | Hallwood Energy Parternship | 12/27/2001 | MT |
| Hallwood Energy Corp | HEP Pure, LP | 08/28/2002 | CO |
| Hallwood Energy Partners LP | HEP Partners LP | 07/12/2002 | MT |
| Hallwood GP Inc | Company Dissolved | 04/12/2001 | MT |
| Hallwood Oil & Gas Inc | Company Dissolved | 12/27/2002 | MT |
| Hallwood Petroleum Inc | HEC Partners Inc | 07/12/2001 | MT |
| Hamill, Claude B | Estate of Claude B Hamill | 09/10/1986 | WY |
| Hanlad Oil Corp | McBride Oil & Gas corp | 12/14/1998 | NM |
| Hanoco, A Partnership | Haloco CO, A Partnership | 03/11/1986 | WY |
| Hanover Planning Company, Inc | Hanover Petroleum Corporation | 04/04/1975 | WY |
| Hanson Oil Corp | McBride Oil & Gas Corp | 11/05/1987 | WY |
Harper Oil Co
| Midcon Central Exploration Co Amended Decision-Added Lease | 05/29/1986 09/30/1987 | WY WY |
| Harrington & Bibler, Inc. | Bibler Resources Company | 11/29/2004 | MT |
| Harvard Petroleum Corporation | Harvard Petroleum Company LLC New Mexico Notice (Oil & Gas Leases Only) Wyoming Cover Memorandum (Oil & Gas Leases Only) | 04/01/2008
04/10/2008
| NM
WY |
| Harvest States Cooperatives | Cenex Inc | 12/01/2000 | WY |
| Harvest States Cooperatives | Cenex Harvest States Cooperatives | 12/01/2000 | WY |
Hawks Company, The
| Hawks Company LP, The Amended Decision | 06/19/1987 09/23/1991 | WY WY |
| Hawthorne O&G Corp | Amer Natl Petro Co | 12/03/1993 | WY |
| Hazel M Lindl Testamentary Trust | Hazel M Lindl Testamentary Trust #1 For the Benefit of Robert E. Brown & Hazel M. Lindl Testamentary Trust #2 For the Benefit of Gloria Jean Deines | 01/29/2007 | WY |
| Hazel M Lindl Testamentary Trust #2 For the Benefit of Gloria Jean Deines | Charles Howard III, John Howard & Christopher Tashlein as beneficiaries | 01/29/2007 | WY |
| HD Oil Company | Homer Dean Oil Co Inc | 08/21/1990 | WY |
| Headington Oil Co | Headington Canada Corp | 07/09/1999 | WY |
| Headington Oil Company LP | Headington Oil Company LLC | 02/12/2008 | WY |
| HEC La Plata, L.L.C. | Pure Resources, LP | 06/08/2006 | NM |
| HEC Peru, L.L.C. | Pure Resources, LP | 06/08/2006 | NM |
| 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 Partners, L.P. | Pure Resources, LP | 06/08/2006 | NM |
| HEP Pure, LP | Pure Resources, LP | 10/11/2006 11/06/2006 | MT WY |
| HEP Pure Acquisition, L.L.C. | Pure Resources, LP | 06/08/2006 | NM |
| HEP San Juan, L.L.C. | Pure Resources, LP | 06/08/2006 | NM |
| H.E.P. Oil Co LLC | H.E.P. Oil Co Ltd. | 04/23/2001 | WY |
Helen Rorbach Kannenstine Estate | Louis Fabian Kannenstine Trust, David Edward Kannenstine Trust & Emily Ann Kannenstine Trust | 01/20/2007 | WY |
| Helmet Petroleum Corporation | Arapaho Energy, Inc | 01/30/1985 | WY |
| Henderson Petroleum Corporation | Burkhart Petroleum Corporation | 04/02/1986 04/25/1986 | WY WY |
| Herboil Co | DMF Resources Inc | 04/03/1996 | WY |
| Hess Oil & Chemical Corp | Amerada Petroleum Corp | 10/10/1969 | ES* |
| 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 | 02/24/2004 | WY |
| Hickok Clifford P, Estate of | Marion Lee Hickok, Frederick R Hickok & William C Hickok, Successors-In-Interest | 04/20/1995 | WY |
| Hickok Marion Lee, Estate of | Frederick R Hickok & William C Hickok, Successors-In-Interest | 04/20/1995 | WY |
| Hickok William C | Hickok Partners | 04/20/1995 | WY |
| Hickok Frederick R | Hickok Partners | 04/20/1995 | WY |
| High Crest Oils, Inc. | Tricentrol United States, Inc. | 01/22/1975 | WY |
| High Mountain Ranches, Inc. | Antelope Run Ranch, Inc. | 09/15/2005 | WY |
High Plains Oil Corp
| Adobe Resources Corporation (Amended Decision) | 07/10/1989 07/10/1995 | WY 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 Corp | 04/02/1984 | WY |
| Hixon Development Co | Giant Expl & Prod Co | 03/30/1998 | WY |
| HNG Oil Co | Enron Oil & Gas Co | 11/16/1990 | WY |
| Home Oil Company of Canada, a Delaware Corporation | Home Petroleum Corp | 05/23/1974 | WY |
Home Petroleum Corp
| HPC, Inc Amended Decision | 02/13/1989 03/14/1989 | WY WY |
| Home-Stake Oil & Gas Company | Cortez Operating Company | 10/10/2002 | WY |
| Home-Stake Royalty Corp | Home-Stake O&G Co | 03/14/1998 | WY |
| Hondo Oil & Gas Company | Atlantic Richfield Company | 04/27/1987 | WY |
Houston Exploration Company, The | Forest Oil Corporation | 07/27/2007 | WY |
| H S Resources Inc | Kerr-McGee Rocky Mountain Corp | 09/19/2001 09/18/2001
| WY CO |
| Kenneth Leroy Hubbard | The Estate of Kenneth Leroy Hubbard; Donald G. Hubbard, Peggy H. Seymour, JoAnn H. Wolfe and Vicky H. Auberry, devisees. | 11/25/2005 | WY |
| Hugoton Capital Ltd Partnership | Mesa Operating Company | 01/14/1997 | NM |
| Hugoton Energy Corp | Chesapeake Mid-Continent Corp | 03/10/1999 | NM |
| Hugoton Management Co | Mesa Operating Company | 01/14/1997 | NM |
| Humble Oil & Refining | Exxon Corporation | 09/03/2004 | WY |
| Huron Petroleum Corp | Beacon Exploration Co | 06/07/1984 | WY |
| Husky Inc | Husky Oil Co | 01/26/1965 | CO |
| Husky Oil Company | Marathon 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 Delaware | Husky Inc | 01/26/1965 | CO |
| 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 |