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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Anadarko E&P Onshore LLC | Wyoming | 426,761 BBLs | 1,175,894 MCF | Aug 1992 - Oct 2025 |
| Anschutz Exploration Corporation | Wyoming | 1,241,587 BBLs | 4,530,234 MCF | Nov 1997 - Oct 2025 |
| Atr Energy Corp | Wyoming | 1,001 BBLs | 0 MCF | Jan 2021 - Oct 2025 |
| Azalea Oil Company LLC | Wyoming | 22 BBLs | 0 MCF | Apr 2023 - Oct 2025 |
| Ballard Petroleum Holdings LLC | Wyoming | 203,544 BBLs | 637,939 MCF | Jan 1983 - Oct 2025 |
| Banding M R Inc | Wyoming | 44 BBLs | 0 MCF | Jan 1988 - Nov 2025 |
| Barn Owls LLC | Wyoming | 26,681 BBLs | 2,375 MCF | Jul 2022 - Oct 2025 |
| Berenergy Corporation | Wyoming | 2,326 BBLs | 4,354 MCF | Jan 1987 - Nov 2025 |
| Black Bear Oil Corporation | Wyoming | 9,924 BBLs | 44,818 MCF | May 2003 - Oct 2025 |
| Blake Production LLC | Wyoming | 98 BBLs | 0 MCF | Jan 1992 - Oct 2025 |
| Briscoe Petroleum LLC | Wyoming | 297 BBLs | 0 MCF | Dec 2017 - Nov 2025 |
| Burnett Oil Co Inc | Wyoming | 394 BBLs | 61 MCF | Jan 1982 - Nov 2025 |
| C & H Well Servicing Inc | Wyoming | 630 BBLs | 97 MCF | Jan 1985 - Nov 2025 |
| Camco Operating LLC | Wyoming | 0 BBLs | 0 MCF | Jan 2009 - Oct 2025 |
| Carbon Creek Energy LLC | Wyoming | 0 BBLs | 3,181,547 MCF | Sep 2015 - Oct 2025 |
| Cardinal Wyoming LLC | Wyoming | 18,493 BBLs | 52 MCF | Jun 2024 - Oct 2025 |
| Cenergy Resources LLC | Wyoming | 5,673 BBLs | 44,082 MCF | Jul 2023 - Oct 2025 |
| Century Oil And Gas LLC | Wyoming | 2,398 BBLs | 10,666 MCF | Dec 2018 - Oct 2025 |
| Chipcore LLC | Wyoming | 6,234 BBLs | 1,036 MCF | Sep 2012 - Oct 2025 |
| Citation Oil & Gas Corporation | Wyoming | 92,163 BBLs | 12,171 MCF | Jan 1981 - Oct 2025 |
| Contango Resources LLC | Wyoming | 394,750 BBLs | 7,363,818 MCF | Feb 2020 - Nov 2025 |
| Continental Resources Inc | Wyoming | 946,850 BBLs | 2,958,620 MCF | Jan 1993 - Oct 2025 |
| Crest Resources Inc | Wyoming | 349 BBLs | 0 MCF | Dec 2021 - Nov 2025 |
| Daube Company The | Wyoming | 7,535 BBLs | 450 MCF | Jan 1990 - Oct 2025 |
| Davey Corporation | Wyoming | 0 BBLs | 0 MCF | Jan 1986 - Nov 2025 |
| Devon Energy Production Company LP | Wyoming | 784,121 BBLs | 1,286,825 MCF | Jan 1978 - Oct 2025 |
| Diamond Oil & Gas LLC | Wyoming | 968 BBLs | 13,096 MCF | Oct 2011 - Oct 2025 |
| DNR Oil & Gas Inc | Wyoming | 900 BBLs | 1,503 MCF | Jul 1989 - Nov 2025 |
| E & B Natural Resources Management | Wyoming | 519 BBLs | 0 MCF | Feb 2011 - Oct 2025 |
| Emep II Operating LLC | Wyoming | 37,185 BBLs | 219,473 MCF | Aug 2025 - Oct 2025 |
| Emerald Operating Company | Wyoming | 0 BBLs | 1,020 MCF | Feb 1993 - Nov 2025 |
| Energy Equity Company | Wyoming | 42 BBLs | 677 MCF | Jul 1995 - Oct 2025 |
| EOG Resources Inc | Wyoming | 969,935 BBLs | 6,458,681 MCF | Jan 1978 - Oct 2025 |
| Gorman Construction LLC | Wyoming | 0 BBLs | 0 MCF | Jan 2023 - Nov 2025 |
| Granite Creek Energy LLC | Wyoming | 18,286 BBLs | 61 MCF | May 2023 - Oct 2025 |
| Impact Energy Operating LLC | Wyoming | 20,259 BBLs | 0 MCF | Aug 2022 - Oct 2025 |
| Justice Oil & Gas LLC | Wyoming | 166 BBLs | 283 MCF | May 1996 - Oct 2025 |
| Kaiser Francis Oil Co | Wyoming | 4,023 BBLs | 63,317 MCF | Jan 1983 - Oct 2025 |
| Keith Walker O & G Co LLC | Wyoming | 126 BBLs | 0 MCF | Jul 1999 - Nov 2025 |
| Kennedy Oil | Wyoming | 2,996 BBLs | 17,508 MCF | Apr 1984 - Oct 2025 |
| Kissack Resources. LLC | Wyoming | 804 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 | 4,680 BBLs | 10,800 MCF | Nov 2016 - Nov 2025 |
| M & K Oil Company LLC | Wyoming | 24,203 BBLs | 78,766 MCF | Jan 1978 - Oct 2025 |
| Maxim Drilling & Expl Inc | Wyoming | 1,941 BBLs | 15,063 MCF | Jun 1982 - Oct 2025 |
| Maximus Operating LTD | Wyoming | 13,215 BBLs | 870 MCF | Jul 2014 - Nov 2025 |
| MDS Energy Development LLC | Wyoming | 18,530 BBLs | 37,955 MCF | Jan 2025 - Oct 2025 |
| Mega Energy LLC | Wyoming | 0 BBLs | 31,263 MCF | May 2013 - Oct 2025 |
| Merrion Oil & Gas Corporation | Wyoming | 1,375 BBLs | 56,625 MCF | Jan 1978 - Oct 2025 |
| Mi3 Energy LLC | Wyoming | 18,524 BBLs | 4,315 MCF | Oct 2025 - Oct 2025 |