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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Anadarko E&P Onshore LLC | Wyoming | 560,225 BBLs | 1,348,736 MCF | Aug 1992 - Aug 2025 |
| Anschutz Exploration Corporation | Wyoming | 1,343,875 BBLs | 4,284,356 MCF | Nov 1997 - Jul 2025 |
| Atx Energy Partners LLC | Wyoming | 4,427 BBLs | 5,275 MCF | Jan 2018 - Aug 2025 |
| Barn Owls LLC | Wyoming | 24,235 BBLs | 2,224 MCF | Jul 2022 - Aug 2025 |
| Carbon Creek Energy LLC | Wyoming | 0 BBLs | 3,396,905 MCF | Sep 2015 - Jul 2025 |
| Cenergy Resources LLC | Wyoming | 2,480 BBLs | 20,532 MCF | Jul 2023 - Jul 2025 |
| Chaco Energy Company | Wyoming | 3,415 BBLs | 45,303 MCF | Apr 1999 - Jul 2025 |
| Chipcore LLC | Wyoming | 6,761 BBLs | 219 MCF | Sep 2012 - Aug 2025 |
| Citation Oil & Gas Corporation | Wyoming | 92,862 BBLs | 14,312 MCF | Jan 1981 - Aug 2025 |
| Contango Resources LLC | Wyoming | 388,536 BBLs | 9,095,355 MCF | Feb 2020 - Aug 2025 |
| Continental Resources Inc | Wyoming | 777,532 BBLs | 2,732,209 MCF | Jan 1993 - Aug 2025 |
| Daube Company The | Wyoming | 7,929 BBLs | 450 MCF | Jan 1990 - Jul 2025 |
| Denbury Onshore LLC | Wyoming | 173,028 BBLs | 126,714 MCF | Jan 2011 - Jul 2025 |
| Devon Energy Production Company LP | Wyoming | 713,234 BBLs | 1,211,575 MCF | Jan 1978 - Aug 2025 |
| Diamond Oil & Gas LLC | Wyoming | 818 BBLs | 13,288 MCF | Oct 2011 - Aug 2025 |
| EOG Resources Inc | Wyoming | 1,129,087 BBLs | 7,127,487 MCF | Jan 1978 - Aug 2025 |
| Kaiser Francis Oil Co | Wyoming | 4,149 BBLs | 50,368 MCF | Jan 1983 - Aug 2025 |
| Loil Oil LLC | Wyoming | 3,943 BBLs | 5,153 MCF | Nov 2016 - Aug 2025 |
| Matrix Production Company | Wyoming | 28,558 BBLs | 24,566 MCF | Jan 1994 - Aug 2025 |
| Meadow Deep LLC | Wyoming | 118 BBLs | 12,485 MCF | Mar 2010 - Aug 2025 |
| Mid-Con Energy Operating LLC | Wyoming | 7,521 BBLs | 2,653 MCF | Feb 2017 - Aug 2025 |
| Moncrief W A Jr | Wyoming | 360 BBLs | 22,880 MCF | Jan 1978 - Aug 2025 |
| Montex Drilling Company LLC | Wyoming | 845 BBLs | 3,305 MCF | Feb 2025 - Aug 2025 |
| Navigation Powder River LLC | Wyoming | 16,369 BBLs | 65,790 MCF | Dec 2016 - Aug 2025 |
| Ranch Oil Company | Wyoming | 1,565 BBLs | 0 MCF | Jan 1986 - Aug 2025 |
| Sage Butte PRB Operating, LLC | Wyoming | 153,426 BBLs | 462,372 MCF | Mar 2018 - Aug 2025 |
| Simon Oil LLC | Wyoming | 3,351 BBLs | 0 MCF | Jun 2000 - Jul 2025 |
| True Oil LLC | Wyoming | 74,272 BBLs | 116,422 MCF | Jan 1978 - Aug 2025 |
| Valkyrie Operating LLC | Wyoming | 10,438 BBLs | 501 MCF | Sep 2018 - Aug 2025 |
| Vector Minerals Corporation | Wyoming | 306 BBLs | 4,246 MCF | Jan 1997 - Jul 2025 |
| WRC Energy LLC | Wyoming | 425,256 BBLs | 1,231,594 MCF | Aug 2018 - Jul 2025 |
| Wyoil Corp | Wyoming | 1,572 BBLs | 0 MCF | Jan 1982 - Aug 2025 |