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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Anadarko E&P Onshore LLC | Wyoming | 460,530 BBLs | 1,319,400 MCF | Aug 1992 - Apr 2025 |
| Anschutz Exploration Corporation | Wyoming | 1,410,615 BBLs | 4,373,094 MCF | Nov 1997 - Mar 2025 |
| Atx Energy Partners LLC | Wyoming | 5,467 BBLs | 5,662 MCF | Jan 2018 - Apr 2025 |
| Barn Owls LLC | Wyoming | 22,778 BBLs | 750 MCF | Jul 2022 - Apr 2025 |
| Carbon Creek Energy LLC | Wyoming | 0 BBLs | 3,919,415 MCF | Sep 2015 - Mar 2025 |
| Chipcore LLC | Wyoming | 3,635 BBLs | 1,492 MCF | Sep 2012 - Apr 2025 |
| Citation Oil & Gas Corporation | Wyoming | 94,598 BBLs | 14,661 MCF | Jan 1981 - Apr 2025 |
| Contango Resources LLC | Wyoming | 359,084 BBLs | 11,238,454 MCF | Feb 2020 - Apr 2025 |
| Continental Resources Inc | Wyoming | 710,115 BBLs | 2,639,405 MCF | Jan 1993 - Apr 2025 |
| Daube Company The | Wyoming | 7,714 BBLs | 450 MCF | Jan 1990 - Apr 2025 |
| Denbury Onshore LLC | Wyoming | 192,098 BBLs | 108,457 MCF | Jan 2011 - Apr 2025 |
| Devon Energy Production Company LP | Wyoming | 843,143 BBLs | 1,249,891 MCF | Jan 1978 - Apr 2025 |
| Diamond Oil & Gas LLC | Wyoming | 643 BBLs | 13,252 MCF | Oct 2011 - Apr 2025 |
| EOG Resources Inc | Wyoming | 1,049,810 BBLs | 6,952,004 MCF | Jan 1978 - Apr 2025 |
| Kaiser Francis Oil Co | Wyoming | 2,305 BBLs | 54,813 MCF | Jan 1983 - Apr 2025 |
| Loil Oil LLC | Wyoming | 5,638 BBLs | 10,399 MCF | Nov 2016 - Apr 2025 |
| Meadow Deep LLC | Wyoming | 108 BBLs | 8,844 MCF | Mar 2010 - Apr 2025 |
| Mid-Con Energy Operating LLC | Wyoming | 8,109 BBLs | 3,138 MCF | Feb 2017 - Apr 2025 |
| Moncrief W A Jr | Wyoming | 180 BBLs | 20,269 MCF | Jan 1978 - Apr 2025 |
| Montex Drilling Company LLC | Wyoming | 643 BBLs | 2,216 MCF | Feb 2025 - Apr 2025 |
| Navigation Powder River LLC | Wyoming | 19,903 BBLs | 69,183 MCF | Dec 2016 - Apr 2025 |
| Nonsuch Natural Gas Inc | Wyoming | 355 BBLs | 38 MCF | Oct 2011 - Apr 2025 |
| P O & G Operating LLC | Wyoming | 13,378 BBLs | 28,973 MCF | Jan 2017 - Mar 2025 |
| Peak Powder River Resources LLC | Wyoming | 89,864 BBLs | 473,444 MCF | Jan 2013 - Mar 2025 |
| Prima Exploration Inc | Wyoming | 8,827 BBLs | 5,622 MCF | Mar 1982 - Apr 2025 |
| Ranch Oil Company | Wyoming | 1,852 BBLs | 0 MCF | Jan 1986 - Apr 2025 |
| Sage Butte PRB Operating, LLC | Wyoming | 153,761 BBLs | 468,150 MCF | Mar 2018 - Apr 2025 |
| Simon Oil LLC | Wyoming | 3,078 BBLs | 0 MCF | Jun 2000 - Mar 2025 |
| True Oil LLC | Wyoming | 59,198 BBLs | 82,923 MCF | Jan 1978 - Apr 2025 |
| Valkyrie Operating LLC | Wyoming | 10,891 BBLs | 3,453 MCF | Sep 2018 - Apr 2025 |
| Vector Minerals Corporation | Wyoming | 214 BBLs | 2,695 MCF | Jan 1997 - Mar 2025 |
| WRC Energy LLC | Wyoming | 270,342 BBLs | 686,962 MCF | Aug 2018 - Apr 2025 |