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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Anadarko E&P Onshore LLC | Wyoming | 384,530 BBLs | 1,068,101 MCF | Aug 1992 - Jan 2026 |
| Anschutz Exploration Corporation | Wyoming | 1,244,354 BBLs | 4,493,651 MCF | Nov 1997 - Jan 2026 |
| Azalea Oil Company LLC | Wyoming | 22 BBLs | 0 MCF | Apr 2023 - Jan 2026 |
| Ballard Petroleum Holdings LLC | Wyoming | 225,651 BBLs | 500,100 MCF | Jan 1983 - Nov 2025 |
| Banding M R Inc | Wyoming | 612 BBLs | 0 MCF | Jan 1988 - Jan 2026 |
| Barn Owls LLC | Wyoming | 25,170 BBLs | 1,893 MCF | Jul 2022 - Jan 2026 |
| Berenergy Corporation | Wyoming | 2,443 BBLs | 3,828 MCF | Jan 1987 - Jan 2026 |
| Black Bear Oil Corporation | Wyoming | 9,227 BBLs | 43,127 MCF | May 2003 - Dec 2025 |
| Blake Production LLC | Wyoming | 88 BBLs | 0 MCF | Jan 1992 - Jan 2026 |
| Bowden Energy Company Inc | Wyoming | 22 BBLs | 561 MCF | Oct 2002 - Nov 2025 |
| Briscoe Petroleum LLC | Wyoming | 237 BBLs | 0 MCF | Dec 2017 - Jan 2026 |
| Burnett Oil Co Inc | Wyoming | 470 BBLs | 54 MCF | Jan 1982 - Jan 2026 |
| C & H Well Servicing Inc | Wyoming | 502 BBLs | 75 MCF | Jan 1985 - Jan 2026 |
| Carbon Creek Energy LLC | Wyoming | 0 BBLs | 2,944,924 MCF | Sep 2015 - Nov 2025 |
| Cardinal Wyoming LLC | Wyoming | 17,411 BBLs | 37 MCF | Jun 2024 - Jan 2026 |
| Cenergy Resources LLC | Wyoming | 4,844 BBLs | 51,654 MCF | Jul 2023 - Nov 2025 |
| Century Oil And Gas LLC | Wyoming | 2,778 BBLs | 12,464 MCF | Dec 2018 - Jan 2026 |
| Chaco Energy Company | Wyoming | 3,099 BBLs | 42,899 MCF | Apr 1999 - Nov 2025 |
| Chipcore LLC | Wyoming | 5,530 BBLs | 632 MCF | Sep 2012 - Jan 2026 |
| Citation Oil & Gas Corporation | Wyoming | 88,443 BBLs | 13,868 MCF | Jan 1981 - Jan 2026 |
| Contango Resources LLC | Wyoming | 394,654 BBLs | 8,906,743 MCF | Feb 2020 - Jan 2026 |
| Continental Resources Inc | Wyoming | 786,220 BBLs | 2,767,120 MCF | Jan 1993 - Jan 2026 |
| Cowboy Clean Fuels LLC | Wyoming | 0 BBLs | 7,077 MCF | Jul 2022 - Jan 2026 |
| Crest Resources Inc | Wyoming | 335 BBLs | 0 MCF | Dec 2021 - Jan 2026 |
| Daube Company The | Wyoming | 7,331 BBLs | 450 MCF | Jan 1990 - Jan 2026 |
| Davey Corporation | Wyoming | 0 BBLs | 0 MCF | Jan 1986 - Jan 2026 |
| Devon Energy Production Company LP | Wyoming | 715,660 BBLs | 1,213,454 MCF | Jan 1978 - Jan 2026 |
| Diamond Oil & Gas LLC | Wyoming | 797 BBLs | 12,724 MCF | Oct 2011 - Dec 2025 |
| DNR Oil & Gas Inc | Wyoming | 1,072 BBLs | 1,611 MCF | Jul 1989 - Jan 2026 |
| Gorman Construction LLC | Wyoming | 0 BBLs | 0 MCF | Jan 2023 - Nov 2025 |
| Granite Creek Energy LLC | Wyoming | 18,882 BBLs | 58 MCF | May 2023 - Jan 2026 |
| Impact Energy Operating LLC | Wyoming | 20,086 BBLs | 0 MCF | Aug 2022 - Jan 2026 |
| Kaiser Francis Oil Co | Wyoming | 2,844 BBLs | 60,307 MCF | Jan 1983 - Jan 2026 |
| Keas Production Company LLC | Wyoming | 195 BBLs | 0 MCF | Mar 2017 - Jan 2026 |
| Keith Walker O & G Co LLC | Wyoming | 98 BBLs | 0 MCF | Jul 1999 - Jan 2026 |
| Kennedy Oil | Wyoming | 3,069 BBLs | 17,123 MCF | Apr 1984 - Jan 2026 |
| Kissack Resources. LLC | Wyoming | 897 BBLs | 0 MCF | Oct 2022 - Jan 2026 |
| Kissack Water & Oil Service Inc | Wyoming | 218 BBLs | 0 MCF | Jan 1981 - Jan 2026 |
| Loil Oil LLC | Wyoming | 4,499 BBLs | 10,182 MCF | Nov 2016 - Jan 2026 |
| M & K Oil Company LLC | Wyoming | 23,632 BBLs | 76,320 MCF | Jan 1978 - Jan 2026 |
| Maxim Drilling & Expl Inc | Wyoming | 2,045 BBLs | 14,693 MCF | Jun 1982 - Jan 2026 |
| Maximus Operating LTD | Wyoming | 12,552 BBLs | 1,225 MCF | Jul 2014 - Jan 2026 |
| MDS Energy Development LLC | Wyoming | 16,894 BBLs | 25,129 MCF | Jan 2025 - Jan 2026 |
| Mega Energy LLC | Wyoming | 0 BBLs | 30,417 MCF | May 2013 - Jan 2026 |
| Merrion Oil & Gas Corporation | Wyoming | 1,367 BBLs | 52,193 MCF | Jan 1978 - Jan 2026 |
| Mi3 Energy LLC | Wyoming | 16,954 BBLs | 3,901 MCF | Oct 2025 - Jan 2026 |
| Mid-Con Energy Operating LLC | Wyoming | 7,135 BBLs | 2,260 MCF | Feb 2017 - Jan 2026 |
| Montex Drilling Company LLC | Wyoming | 793 BBLs | 4,867 MCF | Feb 2025 - Jan 2026 |
| Navigation Powder River LLC | Wyoming | 15,804 BBLs | 65,537 MCF | Dec 2016 - Jan 2026 |
| Nonsuch Natural Gas Inc | Wyoming | 378 BBLs | 43 MCF | Oct 2011 - Jan 2026 |