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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Anadarko E&P Onshore LLC | Wyoming | 403,417 BBLs | 848,504 MCF | Aug 1992 - Feb 2025 |
| Anschutz Exploration Corporation | Wyoming | 1,111,945 BBLs | 3,522,788 MCF | Nov 1997 - Feb 2025 |
| Atx Energy Partners LLC | Wyoming | 4,457 BBLs | 4,753 MCF | Jan 2018 - Feb 2025 |
| Barn Owls LLC | Wyoming | 21,046 BBLs | 173 MCF | Jul 2022 - Feb 2025 |
| Chipcore LLC | Wyoming | 3,648 BBLs | 777 MCF | Sep 2012 - Feb 2025 |
| Citation Oil & Gas Corporation | Wyoming | 86,141 BBLs | 12,308 MCF | Jan 1981 - Feb 2025 |
| Contango Resources LLC | Wyoming | 346,157 BBLs | 9,676,919 MCF | Feb 2020 - Feb 2025 |
| Continental Resources Inc | Wyoming | 664,249 BBLs | 2,301,432 MCF | Jan 1993 - Feb 2025 |
| Daube Company The | Wyoming | 5,848 BBLs | 450 MCF | Jan 1990 - Feb 2025 |
| Denbury Onshore LLC | Wyoming | 176,026 BBLs | 121,147 MCF | Jan 2011 - Feb 2025 |
| Devon Energy Production Company LP | Wyoming | 668,652 BBLs | 1,030,930 MCF | Jan 1978 - Feb 2025 |
| Diamond Oil & Gas LLC | Wyoming | 943 BBLs | 14,408 MCF | Oct 2011 - Feb 2025 |
| EOG Resources Inc | Wyoming | 977,751 BBLs | 6,287,552 MCF | Jan 1978 - Feb 2025 |
| Kaiser Francis Oil Co | Wyoming | 1,816 BBLs | 46,174 MCF | Jan 1983 - Feb 2025 |
| Loil Oil LLC | Wyoming | 5,063 BBLs | 10,118 MCF | Nov 2016 - Feb 2025 |
| Meadow Deep LLC | Wyoming | 103 BBLs | 10,559 MCF | Mar 2010 - Feb 2025 |
| Mid-Con Energy Operating LLC | Wyoming | 7,245 BBLs | 2,271 MCF | Feb 2017 - Mar 2025 |
| Moncrief W A Jr | Wyoming | 353 BBLs | 18,256 MCF | Jan 1978 - Feb 2025 |
| Montex Drilling Company LLC | Wyoming | 587 BBLs | 2,924 MCF | Feb 2025 - Feb 2025 |
| Navigation Powder River LLC | Wyoming | 15,893 BBLs | 56,236 MCF | Dec 2016 - Feb 2025 |
| Nonsuch Natural Gas Inc | Wyoming | 319 BBLs | 24 MCF | Oct 2011 - Feb 2025 |
| P O & G Operating LLC | Wyoming | 11,205 BBLs | 12,937 MCF | Jan 2017 - Feb 2025 |
| Peak Powder River Resources LLC | Wyoming | 83,911 BBLs | 441,521 MCF | Jan 2013 - Feb 2025 |
| Prima Exploration Inc | Wyoming | 7,673 BBLs | 3,817 MCF | Mar 1982 - Feb 2025 |
| Ranch Oil Company | Wyoming | 1,903 BBLs | 0 MCF | Jan 1986 - Mar 2025 |
| Sage Butte PRB Operating, LLC | Wyoming | 151,064 BBLs | 457,000 MCF | Mar 2018 - Feb 2025 |
| True Oil LLC | Wyoming | 61,766 BBLs | 86,966 MCF | Jan 1978 - Feb 2025 |
| Valkyrie Operating LLC | Wyoming | 9,273 BBLs | 2,084 MCF | Sep 2018 - Mar 2025 |
| Vector Minerals Corporation | Wyoming | 222 BBLs | 497 MCF | Jan 1997 - Feb 2025 |
| WRC Energy LLC | Wyoming | 256,434 BBLs | 619,405 MCF | Aug 2018 - Feb 2025 |