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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 |
| Atr Energy Corp | Wyoming | 1,530 BBLs | 0 MCF | Jan 2021 - Jul 2025 |
| Azalea Oil Company LLC | Wyoming | 12 BBLs | 0 MCF | Apr 2023 - Jul 2025 |
| Ballard Petroleum Holdings LLC | Wyoming | 213,034 BBLs | 538,116 MCF | Jan 1983 - Jun 2025 |
| Banding M R Inc | Wyoming | 486 BBLs | 0 MCF | Jan 1988 - Jul 2025 |
| Barn Owls LLC | Wyoming | 25,692 BBLs | 1,911 MCF | Jul 2022 - Jul 2025 |
| Berenergy Corporation | Wyoming | 2,531 BBLs | 3,230 MCF | Jan 1987 - Jul 2025 |
| Black Bear Oil Corporation | Wyoming | 10,200 BBLs | 42,953 MCF | May 2003 - Jul 2025 |
| Blake Production LLC | Wyoming | 100 BBLs | 0 MCF | Jan 1992 - Jul 2025 |
| Bowden Energy Company Inc | Wyoming | 125 BBLs | 553 MCF | Oct 2002 - Jun 2025 |
| Briscoe Petroleum LLC | Wyoming | 274 BBLs | 0 MCF | Dec 2017 - Jul 2025 |
| Burnett Oil Co Inc | Wyoming | 440 BBLs | 64 MCF | Jan 1982 - Jul 2025 |
| C & H Well Servicing Inc | Wyoming | 584 BBLs | 78 MCF | Jan 1985 - Jul 2025 |
| Carbon Creek Energy LLC | Wyoming | 0 BBLs | 3,288,245 MCF | Sep 2015 - Jun 2025 |
| Cardinal Wyoming LLC | Wyoming | 18,579 BBLs | 33 MCF | Jun 2024 - Jul 2025 |
| Cenergy Resources LLC | Wyoming | 351 BBLs | 11,242 MCF | Jul 2023 - Jun 2025 |
| Century Oil And Gas LLC | Wyoming | 3,041 BBLs | 15,097 MCF | Dec 2018 - Jul 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 |
| Cowboy Clean Fuels LLC | Wyoming | 0 BBLs | 4,817 MCF | Jul 2022 - Jun 2025 |
| Crest Resources Inc | Wyoming | 355 BBLs | 0 MCF | Dec 2021 - Jul 2025 |
| Daube Company The | Wyoming | 7,715 BBLs | 450 MCF | Jan 1990 - Jul 2025 |
| Davey Corporation | Wyoming | 0 BBLs | 0 MCF | Jan 1986 - 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 |
| DNR Oil & Gas Inc | Wyoming | 743 BBLs | 1,000 MCF | Jul 1989 - Jul 2025 |
| E & B Natural Resources Management | Wyoming | 522 BBLs | 0 MCF | Feb 2011 - Jun 2025 |
| Emerald Operating Company | Wyoming | 0 BBLs | 2,668 MCF | Feb 1993 - Jul 2025 |
| Energy Equity Company | Wyoming | 17 BBLs | 1,412 MCF | Jul 1995 - Jun 2025 |
| EOG Resources Inc | Wyoming | 1,196,067 BBLs | 7,056,319 MCF | Jan 1978 - Jul 2025 |
| Gorman Construction LLC | Wyoming | 0 BBLs | 0 MCF | Jan 2023 - Jul 2025 |
| Granite Creek Energy LLC | Wyoming | 19,852 BBLs | 107 MCF | May 2023 - Jul 2025 |
| Impact Energy Operating LLC | Wyoming | 20,744 BBLs | 0 MCF | Aug 2022 - Jul 2025 |
| Joemar Wyoming Operating LLC | Wyoming | 3,049 BBLs | 2,390 MCF | Dec 2023 - Jul 2025 |
| Justice Oil & Gas LLC | Wyoming | 150 BBLs | 248 MCF | May 1996 - Jul 2025 |
| Kaiser Francis Oil Co | Wyoming | 3,975 BBLs | 56,783 MCF | Jan 1983 - Jul 2025 |
| Keas Production Company LLC | Wyoming | 214 BBLs | 0 MCF | Mar 2017 - Jun 2025 |
| Keith Walker O & G Co LLC | Wyoming | 119 BBLs | 0 MCF | Jul 1999 - Jun 2025 |
| Kennedy Oil | Wyoming | 3,165 BBLs | 14,375 MCF | Apr 1984 - Jun 2025 |
| Kissack Resources. LLC | Wyoming | 1,012 BBLs | 0 MCF | Oct 2022 - Jul 2025 |
| Kissack Water & Oil Service Inc | Wyoming | 233 BBLs | 0 MCF | Jan 1981 - Jun 2025 |
| Loil Oil LLC | Wyoming | 4,047 BBLs | 6,029 MCF | Nov 2016 - Jul 2025 |
| M & K Oil Company LLC | Wyoming | 24,334 BBLs | 82,520 MCF | Jan 1978 - Jul 2025 |
| Maxim Drilling & Expl Inc | Wyoming | 1,514 BBLs | 15,860 MCF | Jun 1982 - Jul 2025 |
| Maximus Operating LTD | Wyoming | 10,738 BBLs | 1,323 MCF | Jul 2014 - Jul 2025 |