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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Anadarko E&P Onshore LLC | Wyoming | 450,262 BBLs | 1,159,065 MCF | Aug 1992 - Jul 2025 |
| Anschutz Exploration Corporation | Wyoming | 1,337,626 BBLs | 4,187,239 MCF | Nov 1997 - Jun 2025 |
| Atx Energy Partners LLC | Wyoming | 4,074 BBLs | 6,364 MCF | Jan 2018 - Jul 2025 |
| Barn Owls LLC | Wyoming | 25,692 BBLs | 1,911 MCF | Jul 2022 - Jul 2025 |
| Carbon Creek Energy LLC | Wyoming | 0 BBLs | 3,288,245 MCF | Sep 2015 - Jun 2025 |
| Chaco Energy Company | Wyoming | 3,006 BBLs | 45,131 MCF | Apr 1999 - Jun 2025 |
| Chipcore LLC | Wyoming | 4,539 BBLs | 830 MCF | Sep 2012 - Jul 2025 |
| Citation Oil & Gas Corporation | Wyoming | 89,673 BBLs | 13,561 MCF | Jan 1981 - Jul 2025 |
| Contango Resources LLC | Wyoming | 393,568 BBLs | 10,582,134 MCF | Feb 2020 - Jul 2025 |
| Continental Resources Inc | Wyoming | 815,139 BBLs | 2,684,436 MCF | Jan 1993 - Jul 2025 |
| Daube Company The | Wyoming | 7,715 BBLs | 450 MCF | Jan 1990 - Jul 2025 |
| Denbury Onshore LLC | Wyoming | 172,711 BBLs | 124,363 MCF | Jan 2011 - Jul 2025 |
| Devon Energy Production Company LP | Wyoming | 698,416 BBLs | 1,166,198 MCF | Jan 1978 - Jul 2025 |
| Diamond Oil & Gas LLC | Wyoming | 681 BBLs | 7,979 MCF | Oct 2011 - Jul 2025 |
| EOG Resources Inc | Wyoming | 1,196,067 BBLs | 7,056,319 MCF | Jan 1978 - Jul 2025 |
| Kaiser Francis Oil Co | Wyoming | 3,975 BBLs | 56,783 MCF | Jan 1983 - Jul 2025 |
| Loil Oil LLC | Wyoming | 4,047 BBLs | 6,029 MCF | Nov 2016 - Jul 2025 |
| Matrix Production Company | Wyoming | 28,594 BBLs | 23,924 MCF | Jan 1994 - Jul 2025 |
| Meadow Deep LLC | Wyoming | 137 BBLs | 12,652 MCF | Mar 2010 - Jul 2025 |
| Mid-Con Energy Operating LLC | Wyoming | 7,242 BBLs | 1,915 MCF | Feb 2017 - Jul 2025 |
| Moncrief W A Jr | Wyoming | 257 BBLs | 18,572 MCF | Jan 1978 - Jul 2025 |
| Montex Drilling Company LLC | Wyoming | 907 BBLs | 3,541 MCF | Feb 2025 - Jul 2025 |
| Navigation Powder River LLC | Wyoming | 16,905 BBLs | 68,471 MCF | Dec 2016 - Jul 2025 |
| Nonsuch Natural Gas Inc | Wyoming | 433 BBLs | 41 MCF | Oct 2011 - Jun 2025 |
| Ranch Oil Company | Wyoming | 1,757 BBLs | 0 MCF | Jan 1986 - Jul 2025 |
| Sage Butte PRB Operating, LLC | Wyoming | 171,111 BBLs | 478,609 MCF | Mar 2018 - Jul 2025 |
| True Oil LLC | Wyoming | 86,837 BBLs | 117,748 MCF | Jan 1978 - Jul 2025 |
| Valkyrie Operating LLC | Wyoming | 8,910 BBLs | 1,099 MCF | Sep 2018 - Jul 2025 |
| Vector Minerals Corporation | Wyoming | 358 BBLs | 373 MCF | Jan 1997 - Jun 2025 |
| WRC Energy LLC | Wyoming | 366,790 BBLs | 1,037,998 MCF | Aug 2018 - Jul 2025 |
| Wyoil Corp | Wyoming | 1,226 BBLs | 0 MCF | Jan 1982 - Jun 2025 |