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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Anadarko E&P Onshore LLC | Wyoming | 326,812 BBLs | 912,474 MCF | Aug 1992 - Feb 2026 |
| Anschutz Exploration Corporation | Wyoming | 1,011,932 BBLs | 3,866,240 MCF | Nov 1997 - Feb 2026 |
| Atr Energy Corp | Wyoming | 534 BBLs | 0 MCF | Jan 2021 - Feb 2026 |
| Azalea Oil Company LLC | Wyoming | 13 BBLs | 0 MCF | Apr 2023 - Feb 2026 |
| Banding M R Inc | Wyoming | 550 BBLs | 0 MCF | Jan 1988 - Feb 2026 |
| Barn Owls LLC | Wyoming | 25,645 BBLs | 2,547 MCF | Jul 2022 - Feb 2026 |
| Berenergy Corporation | Wyoming | 2,021 BBLs | 3,204 MCF | Jan 1987 - Feb 2026 |
| Black Bear Oil Corporation | Wyoming | 8,417 BBLs | 13,652 MCF | May 2003 - Feb 2026 |
| Blake Production LLC | Wyoming | 101 BBLs | 0 MCF | Jan 1992 - Mar 2026 |
| Briscoe Petroleum LLC | Wyoming | 256 BBLs | 0 MCF | Dec 2017 - Feb 2026 |
| Burnett Oil Co Inc | Wyoming | 387 BBLs | 45 MCF | Jan 1982 - Feb 2026 |
| C & H Well Servicing Inc | Wyoming | 449 BBLs | 41 MCF | Jan 1985 - Feb 2026 |
| Carbon Creek Energy LLC | Wyoming | 0 BBLs | 2,615,313 MCF | Sep 2015 - Feb 2026 |
| Cardinal Wyoming LLC | Wyoming | 16,305 BBLs | 3 MCF | Jun 2024 - Feb 2026 |
| Century Oil And Gas LLC | Wyoming | 2,839 BBLs | 10,689 MCF | Dec 2018 - Feb 2026 |
| Continental Resources Inc | Wyoming | 958,678 BBLs | 2,723,009 MCF | Jan 1993 - Feb 2026 |
| Cowboy Clean Fuels LLC | Wyoming | 0 BBLs | 6,789 MCF | Jul 2022 - Feb 2026 |
| Crest Resources Inc | Wyoming | 262 BBLs | 0 MCF | Dec 2021 - Feb 2026 |
| Daube Company The | Wyoming | 6,818 BBLs | 450 MCF | Jan 1990 - Feb 2026 |
| Devon Energy Production Company LP | Wyoming | 571,369 BBLs | 1,083,856 MCF | Jan 1978 - Feb 2026 |
| Diamond Oil & Gas LLC | Wyoming | 730 BBLs | 11,481 MCF | Oct 2011 - Feb 2026 |
| DNR Oil & Gas Inc | Wyoming | 895 BBLs | 1,715 MCF | Jul 1989 - Feb 2026 |
| E & B Natural Resources Management | Wyoming | 258 BBLs | 0 MCF | Feb 2011 - Feb 2026 |
| Emep II Operating LLC | Wyoming | 69,725 BBLs | 235,942 MCF | Aug 2025 - Feb 2026 |
| Emerald Operating Company | Wyoming | 0 BBLs | 0 MCF | Feb 1993 - Feb 2026 |
| Energy Equity Company | Wyoming | 0 BBLs | 1,197 MCF | Jul 1995 - Feb 2026 |
| EOG Resources Inc | Wyoming | 947,093 BBLs | 6,203,608 MCF | Jan 1978 - Feb 2026 |
| Impact Energy Operating LLC | Wyoming | 16,230 BBLs | 0 MCF | Aug 2022 - Feb 2026 |
| Keas Production Company LLC | Wyoming | 193 BBLs | 0 MCF | Mar 2017 - Feb 2026 |
| Kennedy Oil | Wyoming | 2,596 BBLs | 15,939 MCF | Apr 1984 - Feb 2026 |
| Kissack Water & Oil Service Inc | Wyoming | 206 BBLs | 0 MCF | Jan 1981 - Feb 2026 |
| Loil Oil LLC | Wyoming | 3,240 BBLs | 6,154 MCF | Nov 2016 - Feb 2026 |
| M & K Oil Company LLC | Wyoming | 22,853 BBLs | 73,514 MCF | Jan 1978 - Feb 2026 |
| Maximus Operating LTD | Wyoming | 12,418 BBLs | 830 MCF | Jul 2014 - Feb 2026 |
| MDS Energy Development LLC | Wyoming | 19,155 BBLs | 32,895 MCF | Jan 2025 - Feb 2026 |
| Mega Energy LLC | Wyoming | 0 BBLs | 26,245 MCF | May 2013 - Feb 2026 |
| Merrion Oil & Gas Corporation | Wyoming | 1,177 BBLs | 56,219 MCF | Jan 1978 - Feb 2026 |
| Mi3 Energy LLC | Wyoming | 17,152 BBLs | 3,887 MCF | Nov 2025 - Feb 2026 |
| Mid-Con Energy Operating LLC | Wyoming | 6,093 BBLs | 1,609 MCF | Feb 2017 - Feb 2026 |
| Navigation Powder River LLC | Wyoming | 13,272 BBLs | 54,463 MCF | Dec 2016 - Feb 2026 |
| Nonsuch Natural Gas Inc | Wyoming | 301 BBLs | 11 MCF | Oct 2011 - Feb 2026 |
| North Finn LLC | Wyoming | 0 BBLs | 0 MCF | Jan 1980 - Feb 2026 |
| Oedekoven Amerifields Resources LLC | Wyoming | 0 BBLs | 0 MCF | Jul 2013 - Feb 2026 |
| Oedekoven Water & Hot Oil | Wyoming | 0 BBLs | 0 MCF | May 1984 - Feb 2026 |
| Peabody Natural Gas LLC | Wyoming | 126 BBLs | 169 MCF | Jan 2001 - Feb 2026 |
| Peak Powder River Resources LLC | Wyoming | 70,314 BBLs | 334,772 MCF | Jan 2013 - Feb 2026 |
| Petrox Resources Inc | Wyoming | 1,309 BBLs | 0 MCF | Aug 2003 - Feb 2026 |
| Pine Haven Resources LLC | Wyoming | 2,996 BBLs | 0 MCF | Apr 2017 - Mar 2026 |
| Pioneer Exploration LLC | Wyoming | 30 BBLs | 0 MCF | Jun 1984 - Mar 2026 |
| PML Operating LLC | Wyoming | 2,191 BBLs | 0 MCF | Jan 2023 - Feb 2026 |