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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Dome Petroleum Corporation | Wyoming | 0 BBLs | 0 MCF | Oct 1978 - Jan 1984 |
| Dominion Exploration & Production Inc | Wyoming | 0 BBLs | 0 MCF | Feb 1985 - Oct 1997 |
| Dominion Oklahoma Texas Expl & Prod Inc | Wyoming | 0 BBLs | 0 MCF | Jan 1995 - Jun 2004 |
| Double Eagle LLC | Wyoming | 0 BBLs | 0 MCF | Nov 2019 - Sep 2024 |
| Doud Land Company LLC | Wyoming | 0 BBLs | 0 MCF | Jun 2005 - Nov 2013 |
| Douglas Francis E | Wyoming | 0 BBLs | 0 MCF | Mar 1998 - Dec 2001 |
| Dreiling LTD | Wyoming | 0 BBLs | 0 MCF | Jan 1978 - Jul 1980 |
| Drilling & Service Inc | Wyoming | 0 BBLs | 0 MCF | Jan 1980 - Mar 2004 |
| DRW Operating Inc | Wyoming | 0 BBLs | 0 MCF | Mar 1993 - Jul 1993 |
| Dudley & Associates LLC | Wyoming | 0 BBLs | 0 MCF | Nov 1999 - Aug 2024 |
| Duer Wagner & Company | Wyoming | 0 BBLs | 0 MCF | Jan 1985 - Sep 1997 |
| Dugan Production Corp | Wyoming | 0 BBLs | 0 MCF | Jul 1998 - Jul 2011 |
| Dunbar Joseph R | Wyoming | 0 BBLs | 0 MCF | Sep 1994 - Mar 1996 |
| Dunbar Well Service | Wyoming | 0 BBLs | 0 MCF | Jun 1983 - Mar 1985 |
| Duncan Energy Company | Wyoming | 0 BBLs | 0 MCF | Jan 1991 - Aug 1999 |
| Duncan Oil Inc | Wyoming | 0 BBLs | 0 MCF | Jan 1978 - Oct 2015 |
| Dunn & Shanor | Wyoming | 0 BBLs | 0 MCF | Jan 1978 - Dec 1979 |
| Dyco Petroleum Corporation | Wyoming | 0 BBLs | 0 MCF | Jan 1978 - Oct 1991 |
| Dyer J G | Wyoming | 0 BBLs | 0 MCF | Jan 1978 - May 1985 |
| E & B Natural Resources Management | Wyoming | 558 BBLs | 0 MCF | Feb 2011 - Oct 2024 |
| E & N Oil And Gas Inc | Wyoming | 0 BBLs | 0 MCF | Jan 1993 - Dec 1999 |
| Eagle Oil & Gas Company | Wyoming | 0 BBLs | 0 MCF | Jun 1993 - Jan 2019 |
| Eagle Peak Energy LLC | Wyoming | 0 BBLs | 0 MCF | Nov 2017 - Oct 2020 |
| Earthstone Energy Inc | Wyoming | 0 BBLs | 0 MCF | Jan 1981 - Nov 2016 |
| Earthstone Operating LLC | Wyoming | 0 BBLs | 0 MCF | Dec 2016 - Nov 2017 |
| Eason Oil Company | Wyoming | 0 BBLs | 0 MCF | Jan 1978 - Sep 1985 |
| Eastern American Energy Corp | Wyoming | 0 BBLs | 0 MCF | Oct 1979 - Jan 1989 |
| Eben Operating Co LLC | Wyoming | 0 BBLs | 0 MCF | Jul 2020 - Sep 2024 |
| Eberspecher Drilling Inc | Wyoming | 0 BBLs | 0 MCF | Jun 1982 - Dec 2000 |
| Eberspecher R M | Wyoming | 0 BBLs | 0 MCF | Feb 2002 - Mar 2005 |
| Eberspecher W R | Wyoming | 0 BBLs | 0 MCF | Jan 1985 - May 2015 |
| Eblen Frank Syndicate Inc | Wyoming | 0 BBLs | 0 MCF | Jan 1996 - Jul 2014 |
| Edco Research Association | Wyoming | 0 BBLs | 0 MCF | Jan 1978 - Dec 1989 |
| Edge Energy II LLC | Wyoming | 0 BBLs | 0 MCF | Nov 2018 - Sep 2024 |
| Edwards Operating Company LLC | Wyoming | 0 BBLs | 0 MCF | May 2011 - Jun 2015 |
| Eex Corporation | Wyoming | 0 BBLs | 0 MCF | Jan 1978 - Dec 1997 |
| El Paso Natural Gas Company | Wyoming | 0 BBLs | 0 MCF | Jan 1978 - Dec 1985 |
| El Paso Production Oil & Gas Co | Wyoming | 0 BBLs | 0 MCF | Dec 2003 - Jun 2006 |
| Eland Energy Inc | Wyoming | 0 BBLs | 0 MCF | Jan 1995 - Jun 2013 |
| Elephant Operating LLC | Wyoming | 873 BBLs | 1,665 MCF | Jun 2018 - Oct 2024 |
| Elf Aquitaine Inc | Wyoming | 0 BBLs | 0 MCF | Jan 1978 - Aug 1984 |
| Elk Energy Corporation | Wyoming | 0 BBLs | 0 MCF | Jul 1986 - Dec 1993 |
| Elk Petroleum Inc | Wyoming | 0 BBLs | 0 MCF | Jul 2005 - Aug 2014 |
| Ellbogen John P LTD | Wyoming | 985 BBLs | 0 MCF | Jan 1978 - Oct 2024 |
| Elliott & Waterman | Wyoming | 0 BBLs | 0 MCF | Jan 1984 - Jan 2001 |
| Elliott Patrick J | Wyoming | 0 BBLs | 0 MCF | Jan 1978 - Oct 2000 |
| Elliott Properties | Wyoming | 0 BBLs | 0 MCF | Aug 2000 - May 2001 |
| Elliott Ted | Wyoming | 0 BBLs | 0 MCF | Jan 1978 - Feb 2005 |
| Elliott Ted & Dwight | Wyoming | 0 BBLs | 0 MCF | Jan 1985 - Dec 2000 |
| Ellwood Exploration LLC | Wyoming | 0 BBLs | 0 MCF | Sep 2011 - Oct 2024 |