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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Ballard Petroleum Holdings LLC | Wyoming | 239,289 BBLs | 530,727 MCF | Jan 1983 - May 2026 |
| Barn Owls LLC | Wyoming | 39,655 BBLs | 6,297 MCF | Jul 2022 - Jun 2026 |
| Berenergy Corporation | Wyoming | 2,260 BBLs | 3,179 MCF | Jan 1987 - Jun 2026 |
| Black Bear Oil Corporation | Wyoming | 8,745 BBLs | 37,343 MCF | May 2003 - Jun 2026 |
| Briscoe Petroleum LLC | Wyoming | 73 BBLs | 0 MCF | Dec 2017 - May 2026 |
| Burnett Oil Co Inc | Wyoming | 416 BBLs | 53 MCF | Jan 1982 - Jun 2026 |
| C & H Well Servicing Inc | Wyoming | 444 BBLs | 25 MCF | Jan 1985 - Jun 2026 |
| Cardinal Wyoming LLC | Wyoming | 19,672 BBLs | 45 MCF | Jun 2024 - Jun 2026 |
| Century Oil And Gas LLC | Wyoming | 2,402 BBLs | 12,634 MCF | Dec 2018 - Jun 2026 |
| Chaco Energy Company | Wyoming | 3,016 BBLs | 38,002 MCF | Apr 1999 - May 2026 |
| Chipcore LLC | Wyoming | 4,710 BBLs | 210 MCF | Sep 2012 - Jun 2026 |
| Citation Oil & Gas Corporation | Wyoming | 90,999 BBLs | 13,755 MCF | Jan 1981 - Jun 2026 |
| Contango Resources LLC | Wyoming | 361,327 BBLs | 7,744,380 MCF | Feb 2020 - Jun 2026 |
| Continental Resources Inc | Wyoming | 1,085,211 BBLs | 3,212,527 MCF | Jan 1993 - Jun 2026 |
| Cowboy Clean Fuels LLC | Wyoming | 0 BBLs | 7,373 MCF | Jul 2022 - Jun 2026 |
| Crest Resources Inc | Wyoming | 520 BBLs | 0 MCF | Dec 2021 - Jun 2026 |
| D90 Energy LLC | Wyoming | 0 BBLs | 0 MCF | Jan 2020 - Jun 2026 |
| Daube Company The | Wyoming | 7,961 BBLs | 450 MCF | Jan 1990 - Jun 2026 |
| Davey Corporation | Wyoming | 0 BBLs | 0 MCF | Jan 1986 - May 2026 |
| Denbury Onshore LLC | Wyoming | 124,767 BBLs | 113,265 MCF | Jan 2011 - Jun 2026 |
| Devon Energy Production Company LP | Wyoming | 790,522 BBLs | 1,234,085 MCF | Jan 1978 - Jun 2026 |
| Diamond Oil & Gas LLC | Wyoming | 939 BBLs | 14,577 MCF | Oct 2011 - Jun 2026 |
| DNR Oil & Gas Inc | Wyoming | 884 BBLs | 1,810 MCF | Jul 1989 - Jun 2026 |
| E & B Natural Resources Management | Wyoming | 87 BBLs | 0 MCF | Feb 2011 - Jul 2026 |
| Emep II Operating LLC | Wyoming | 62,089 BBLs | 266,732 MCF | Aug 2025 - Jun 2026 |
| Emerald Operating Company | Wyoming | 0 BBLs | 749 MCF | Feb 1993 - Jun 2026 |
| Energy Equity Company | Wyoming | 0 BBLs | 1,191 MCF | Jul 1995 - May 2026 |
| EOG Resources Inc | Wyoming | 1,053,668 BBLs | 6,863,626 MCF | Jan 1978 - Jun 2026 |
| Joemar Wyoming Operating LLC | Wyoming | 3,795 BBLs | 2,791 MCF | Dec 2023 - Jun 2026 |
| Justice Oil & Gas LLC | Wyoming | 123 BBLs | 48 MCF | May 1996 - Jun 2026 |
| Keith Walker O & G Co LLC | Wyoming | 122 BBLs | 0 MCF | Jul 1999 - Jun 2026 |
| Kennedy Oil | Wyoming | 3,524 BBLs | 25,027 MCF | Apr 1984 - Jun 2026 |
| Kissack Resources. LLC | Wyoming | 1,202 BBLs | 0 MCF | Oct 2022 - Jun 2026 |
| Kissack Water & Oil Service Inc | Wyoming | 194 BBLs | 0 MCF | Jan 1981 - Jun 2026 |
| M & K Oil Company LLC | Wyoming | 26,082 BBLs | 77,734 MCF | Jan 1978 - Jun 2026 |
| Maxim Drilling & Expl Inc | Wyoming | 1,381 BBLs | 18,024 MCF | Jun 1982 - Jun 2026 |
| Maximus Operating LTD | Wyoming | 10,618 BBLs | 310 MCF | Jul 2014 - Jun 2026 |
| MDS Energy Development LLC | Wyoming | 16,829 BBLs | 29,383 MCF | Jan 2025 - Jun 2026 |
| Mega Energy LLC | Wyoming | 0 BBLs | 0 MCF | May 2013 - May 2026 |
| Merrion Oil & Gas Corporation | Wyoming | 1,085 BBLs | 1,081 MCF | Jan 1978 - Jun 2026 |
| Mi3 Energy LLC | Wyoming | 20,230 BBLs | 4,599 MCF | Nov 2025 - Jun 2026 |
| Mid-Con Energy Operating LLC | Wyoming | 5,972 BBLs | 1,040 MCF | Feb 2017 - Jun 2026 |
| Montex Drilling Company LLC | Wyoming | 679 BBLs | 3,100 MCF | Feb 2025 - Jun 2026 |
| Navigation Powder River LLC | Wyoming | 13,161 BBLs | 62,881 MCF | Dec 2016 - Jun 2026 |
| Nonsuch Natural Gas Inc | Wyoming | 194 BBLs | 10 MCF | Oct 2011 - Jun 2026 |
| North Finn LLC | Wyoming | 270 BBLs | 120 MCF | Jan 1980 - Jun 2026 |
| O'Brien Energy Resources Corporation | Wyoming | 449 BBLs | 0 MCF | Feb 2002 - Jun 2026 |
| Oedekoven Water & Hot Oil | Wyoming | 63 BBLs | 0 MCF | May 1984 - Jun 2026 |
| Oilfield Salvage & Service Company | Wyoming | 2,691 BBLs | 2,362 MCF | Jan 1978 - May 2026 |
| P O & G Operating LLC | Wyoming | 12,696 BBLs | 21,421 MCF | Jan 2017 - Jun 2026 |