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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Anadarko E&P Onshore LLC | Wyoming | 384,091 BBLs | 1,115,329 MCF | Aug 1992 - May 2025 |
| Anschutz Exploration Corporation | Wyoming | 1,328,978 BBLs | 4,229,810 MCF | Nov 1997 - May 2025 |
| Atx Energy Partners LLC | Wyoming | 5,249 BBLs | 7,019 MCF | Jan 2018 - May 2025 |
| Barn Owls LLC | Wyoming | 25,287 BBLs | 4,420 MCF | Jul 2022 - May 2025 |
| Burk Royalty Co LTD | Wyoming | 14,327 BBLs | 0 MCF | Sep 2023 - May 2025 |
| Carbon Creek Energy LLC | Wyoming | 0 BBLs | 3,824,597 MCF | Sep 2015 - May 2025 |
| Chipcore LLC | Wyoming | 4,515 BBLs | 1,205 MCF | Sep 2012 - May 2025 |
| Citation Oil & Gas Corporation | Wyoming | 91,975 BBLs | 14,773 MCF | Jan 1981 - May 2025 |
| Contango Resources LLC | Wyoming | 393,131 BBLs | 11,229,349 MCF | Feb 2020 - May 2025 |
| Continental Resources Inc | Wyoming | 905,355 BBLs | 2,812,667 MCF | Jan 1993 - May 2025 |
| Denbury Onshore LLC | Wyoming | 161,988 BBLs | 124,278 MCF | Jan 2011 - May 2025 |
| Devon Energy Production Company LP | Wyoming | 714,100 BBLs | 1,223,326 MCF | Jan 1978 - May 2025 |
| Diamond Oil & Gas LLC | Wyoming | 822 BBLs | 14,974 MCF | Oct 2011 - May 2025 |
| EOG Resources Inc | Wyoming | 1,151,489 BBLs | 7,016,192 MCF | Jan 1978 - May 2025 |
| Kaiser Francis Oil Co | Wyoming | 4,057 BBLs | 55,989 MCF | Jan 1983 - May 2025 |
| Loil Oil LLC | Wyoming | 4,511 BBLs | 9,245 MCF | Nov 2016 - May 2025 |
| Meadow Deep LLC | Wyoming | 138 BBLs | 12,508 MCF | Mar 2010 - May 2025 |
| Mid-Con Energy Operating LLC | Wyoming | 8,075 BBLs | 3,071 MCF | Feb 2017 - Jun 2025 |
| Moncrief W A Jr | Wyoming | 267 BBLs | 21,833 MCF | Jan 1978 - May 2025 |
| Montex Drilling Company LLC | Wyoming | 856 BBLs | 3,752 MCF | Feb 2025 - May 2025 |
| Navigation Powder River LLC | Wyoming | 17,546 BBLs | 67,389 MCF | Dec 2016 - May 2025 |
| Nonsuch Natural Gas Inc | Wyoming | 383 BBLs | 39 MCF | Oct 2011 - May 2025 |
| P O & G Operating LLC | Wyoming | 12,878 BBLs | 25,758 MCF | Jan 2017 - May 2025 |
| Peak Powder River Resources LLC | Wyoming | 84,917 BBLs | 443,420 MCF | Jan 2013 - May 2025 |
| Prima Exploration Inc | Wyoming | 9,113 BBLs | 7,096 MCF | Mar 1982 - Jun 2025 |
| Ranch Oil Company | Wyoming | 1,876 BBLs | 0 MCF | Jan 1986 - Jun 2025 |
| Sage Butte PRB Operating, LLC | Wyoming | 150,649 BBLs | 435,410 MCF | Mar 2018 - May 2025 |
| True Oil LLC | Wyoming | 62,220 BBLs | 41,522 MCF | Jan 1978 - May 2025 |
| Valkyrie Operating LLC | Wyoming | 9,262 BBLs | 1,870 MCF | Sep 2018 - Jun 2025 |
| Vector Minerals Corporation | Wyoming | 415 BBLs | 5,026 MCF | Jan 1997 - May 2025 |
| WRC Energy LLC | Wyoming | 344,004 BBLs | 887,851 MCF | Aug 2018 - May 2025 |