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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 |
| Barn Owls LLC | Wyoming | 25,645 BBLs | 2,547 MCF | Jul 2022 - Feb 2026 |
| Carbon Creek Energy LLC | Wyoming | 0 BBLs | 2,615,313 MCF | Sep 2015 - Feb 2026 |
| Continental Resources Inc | Wyoming | 958,678 BBLs | 2,723,009 MCF | Jan 1993 - 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 |
| EOG Resources Inc | Wyoming | 947,093 BBLs | 6,203,608 MCF | Jan 1978 - Feb 2026 |
| Loil Oil LLC | Wyoming | 3,240 BBLs | 6,154 MCF | Nov 2016 - Feb 2026 |
| Matrix Production Company | Wyoming | 23,250 BBLs | 13,070 MCF | Jan 1994 - Feb 2026 |
| Meadow Deep LLC | Wyoming | 103 BBLs | 10,251 MCF | Mar 2010 - 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 |
| Peak Powder River Resources LLC | Wyoming | 70,314 BBLs | 334,772 MCF | Jan 2013 - Feb 2026 |
| Prima Exploration Inc | Wyoming | 11,110 BBLs | 4,906 MCF | Mar 1982 - Feb 2026 |
| Ranch Oil Company | Wyoming | 1,662 BBLs | 0 MCF | Jan 1986 - Mar 2026 |
| Sage Butte PRB Operating, LLC | Wyoming | 116,740 BBLs | 369,048 MCF | Mar 2018 - Feb 2026 |
| Six Bar Oil LLC | Wyoming | 6,683 BBLs | 868 MCF | Apr 2017 - Feb 2026 |
| True Oil LLC | Wyoming | 50,141 BBLs | 55,924 MCF | Jan 1978 - Feb 2026 |
| Valkyrie Operating LLC | Wyoming | 6,467 BBLs | 1,684 MCF | Sep 2018 - Feb 2026 |
| WRC Energy LLC | Wyoming | 379,744 BBLs | 1,188,433 MCF | Aug 2018 - Feb 2026 |