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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Anadarko E&P Onshore LLC | Wyoming | 444,539 BBLs | 1,199,758 MCF | Aug 1992 - Oct 2025 |
| Anschutz Exploration Corporation | Wyoming | 1,336,206 BBLs | 4,479,944 MCF | Nov 1997 - Sep 2025 |
| Atr Energy Corp | Wyoming | 798 BBLs | 0 MCF | Jan 2021 - Oct 2025 |
| Ballard Petroleum Holdings LLC | Wyoming | 207,343 BBLs | 564,868 MCF | Jan 1983 - Sep 2025 |
| Banding M R Inc | Wyoming | 625 BBLs | 0 MCF | Jan 1988 - Oct 2025 |
| Barn Owls LLC | Wyoming | 26,184 BBLs | 2,340 MCF | Jul 2022 - Oct 2025 |
| Berenergy Corporation | Wyoming | 2,431 BBLs | 4,351 MCF | Jan 1987 - Oct 2025 |
| Black Bear Oil Corporation | Wyoming | 9,810 BBLs | 43,885 MCF | May 2003 - Oct 2025 |
| Blake Production LLC | Wyoming | 112 BBLs | 0 MCF | Jan 1992 - Oct 2025 |
| Briscoe Petroleum LLC | Wyoming | 247 BBLs | 0 MCF | Dec 2017 - Oct 2025 |
| Burnett Oil Co Inc | Wyoming | 439 BBLs | 67 MCF | Jan 1982 - Oct 2025 |
| C & H Well Servicing Inc | Wyoming | 536 BBLs | 68 MCF | Jan 1985 - Nov 2025 |
| Camco Operating LLC | Wyoming | 0 BBLs | 0 MCF | Jan 2009 - Oct 2025 |
| Carbon Creek Energy LLC | Wyoming | 0 BBLs | 3,122,334 MCF | Sep 2015 - Sep 2025 |
| Cardinal Wyoming LLC | Wyoming | 17,253 BBLs | 0 MCF | Jun 2024 - Sep 2025 |
| Cenergy Resources LLC | Wyoming | 5,453 BBLs | 55,012 MCF | Jul 2023 - Oct 2025 |
| Century Oil And Gas LLC | Wyoming | 2,378 BBLs | 12,295 MCF | Dec 2018 - Oct 2025 |
| Chaco Energy Company | Wyoming | 3,289 BBLs | 39,172 MCF | Apr 1999 - Sep 2025 |
| Chipcore LLC | Wyoming | 7,538 BBLs | 1,111 MCF | Sep 2012 - Oct 2025 |
| Citation Oil & Gas Corporation | Wyoming | 87,906 BBLs | 13,192 MCF | Jan 1981 - Oct 2025 |
| Contango Resources LLC | Wyoming | 388,067 BBLs | 4,957,212 MCF | Feb 2020 - Oct 2025 |
| Continental Resources Inc | Wyoming | 893,193 BBLs | 2,746,010 MCF | Jan 1993 - Oct 2025 |
| Cowboy Clean Fuels LLC | Wyoming | 0 BBLs | 7,390 MCF | Jul 2022 - Sep 2025 |
| Crest Resources Inc | Wyoming | 367 BBLs | 0 MCF | Dec 2021 - Oct 2025 |
| Daube Company The | Wyoming | 7,571 BBLs | 450 MCF | Jan 1990 - Oct 2025 |
| Davey Corporation | Wyoming | 0 BBLs | 0 MCF | Jan 1986 - Oct 2025 |
| Denbury Onshore LLC | Wyoming | 165,084 BBLs | 118,040 MCF | Jan 2011 - Sep 2025 |
| Devon Energy Production Company LP | Wyoming | 717,336 BBLs | 1,170,560 MCF | Jan 1978 - Oct 2025 |
| Diamond Oil & Gas LLC | Wyoming | 1,124 BBLs | 13,232 MCF | Oct 2011 - Oct 2025 |
| DNR Oil & Gas Inc | Wyoming | 938 BBLs | 1,728 MCF | Jul 1989 - Oct 2025 |
| E & B Natural Resources Management | Wyoming | 464 BBLs | 0 MCF | Feb 2011 - Oct 2025 |
| Emep II Operating LLC | Wyoming | 38,415 BBLs | 224,566 MCF | Aug 2025 - Oct 2025 |
| Emerald Operating Company | Wyoming | 0 BBLs | 948 MCF | Feb 1993 - Oct 2025 |
| Energy Equity Company | Wyoming | 43 BBLs | 177 MCF | Jul 1995 - Oct 2025 |
| EOG Resources Inc | Wyoming | 983,000 BBLs | 6,527,810 MCF | Jan 1978 - Oct 2025 |
| Gorman Construction LLC | Wyoming | 0 BBLs | 0 MCF | Jan 2023 - Nov 2025 |
| Granite Creek Energy LLC | Wyoming | 19,022 BBLs | 69 MCF | May 2023 - Oct 2025 |
| Impact Energy Operating LLC | Wyoming | 20,252 BBLs | 0 MCF | Aug 2022 - Oct 2025 |
| Joemar Wyoming Operating LLC | Wyoming | 2,741 BBLs | 2,705 MCF | Dec 2023 - Sep 2025 |
| Justice Oil & Gas LLC | Wyoming | 165 BBLs | 288 MCF | May 1996 - Oct 2025 |
| Kaiser Francis Oil Co | Wyoming | 3,712 BBLs | 63,833 MCF | Jan 1983 - Oct 2025 |
| Keas Production Company LLC | Wyoming | 204 BBLs | 0 MCF | Mar 2017 - Sep 2025 |
| Keith Walker O & G Co LLC | Wyoming | 118 BBLs | 0 MCF | Jul 1999 - Nov 2025 |
| Kennedy Oil | Wyoming | 2,750 BBLs | 17,610 MCF | Apr 1984 - Oct 2025 |
| Kissack Resources. LLC | Wyoming | 969 BBLs | 0 MCF | Oct 2022 - Oct 2025 |
| Kissack Water & Oil Service Inc | Wyoming | 202 BBLs | 0 MCF | Jan 1981 - Nov 2025 |
| Loil Oil LLC | Wyoming | 4,948 BBLs | 10,753 MCF | Nov 2016 - Oct 2025 |
| M & K Oil Company LLC | Wyoming | 24,656 BBLs | 75,133 MCF | Jan 1978 - Oct 2025 |
| Maxim Drilling & Expl Inc | Wyoming | 1,510 BBLs | 15,151 MCF | Jun 1982 - Oct 2025 |
| Maximus Operating LTD | Wyoming | 11,552 BBLs | 818 MCF | Jul 2014 - Oct 2025 |