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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Dolezal George Jr | Wyoming | 0 BBLs | 0 MCF | Apr 1982 - Sep 2006 |
| 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 - Apr 2025 |
| 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 - Jan 2026 |
| 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 |
| F & J Oil LLC | Wyoming | 0 BBLs | 0 MCF | Jan 2010 - Oct 2015 |
| Fairways Offshore Expl Inc | Wyoming | 0 BBLs | 0 MCF | Jul 2006 - Jun 2007 |
| Falcon Creek Resources Inc | Wyoming | 0 BBLs | 0 MCF | Jun 1998 - Apr 2001 |
| Famcor Oil And Gas | Wyoming | 0 BBLs | 0 MCF | Jul 1981 - Sep 1983 |
| Family Tree Corporation | Wyoming | 0 BBLs | 0 MCF | Jan 1988 - Feb 2013 |
| Fancher Oil LLC | Wyoming | 0 BBLs | 0 MCF | Jan 1978 - Nov 2006 |
| Farleigh Oil Properties | Wyoming | 0 BBLs | 0 MCF | Nov 1998 - Sep 1999 |
| Farmers State Bank- Pine Bluffs | Wyoming | 0 BBLs | 0 MCF | Nov 1989 - Dec 1989 |
| Farnsworth & Kaiser Oil Company | Wyoming | 0 BBLs | 0 MCF | Jan 1978 - Sep 2012 |
| Farnsworth G G | Wyoming | 0 BBLs | 0 MCF | Jan 1984 - Dec 2007 |
| Faulconer Vernon E Inc | Wyoming | 0 BBLs | 0 MCF | Jun 2000 - Jul 2020 |
| FDF Resources | Wyoming | 408 BBLs | 63 MCF | Apr 1984 - Feb 2026 |
| FDL Operating LLC | Wyoming | 0 BBLs | 0 MCF | May 2015 - Apr 2022 |
| Federated Oil & Gas Properties | Wyoming | 0 BBLs | 0 MCF | Dec 1999 - Mar 2014 |
| Felmont Oil Corporation | Wyoming | 0 BBLs | 0 MCF | Jan 1978 - Feb 1990 |
| Fenix & Scisson Inc | Wyoming | 0 BBLs | 0 MCF | Jan 1978 - Dec 1981 |
| Ferguson & Bosworth | Wyoming | 0 BBLs | 0 MCF | Jan 1978 - May 2007 |
| Ferguson Bob | Wyoming | 0 BBLs | 0 MCF | May 1978 - May 2004 |
| Ferguson Energy Inc | Wyoming | 0 BBLs | 0 MCF | Jan 1990 - Dec 2025 |
| Ferguson Oil Company Inc | Wyoming | 0 BBLs | 0 MCF | Jan 1978 - Dec 1981 |
| Fernstrum Energy | Wyoming | 0 BBLs | 0 MCF | Jan 1985 - Feb 1988 |
| Ferreira Oil Properties LLC | Wyoming | 0 BBLs | 0 MCF | Jun 2011 - Apr 2014 |
| Fidelity Exploration & Production Co | Wyoming | 0 BBLs | 0 MCF | Apr 2001 - Feb 2026 |
| Fiksdal-Ferley | Wyoming | 0 BBLs | 0 MCF | Jan 1978 - Dec 1983 |
| Fina Oil And Chemical Company | Wyoming | 0 BBLs | 0 MCF | Jan 1978 - May 1991 |
| Finaly Resources LLC | Wyoming | 0 BBLs | 9,083 MCF | May 2022 - Jan 2026 |
| Finley Resources Inc | Wyoming | 3,417 BBLs | 0 MCF | Jul 2001 - Feb 2026 |
| First Energy Corporation | Wyoming | 0 BBLs | 0 MCF | Jan 1983 - Mar 1991 |
| First Energy Properties | Wyoming | 0 BBLs | 0 MCF | Jan 1985 - Dec 1986 |
| First Mineral Prod Co | Wyoming | 0 BBLs | 0 MCF | Jan 1984 - Dec 1999 |