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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Atr Energy Corp | Wyoming | 1,530 BBLs | 0 MCF | Jan 2021 - Jun 2025 |
| Atx Energy Partners LLC | Wyoming | 4,074 BBLs | 6,364 MCF | Jan 2018 - Jun 2025 |
| Australis TMS Inc. | Mississippi | 17,018 BBLs | 16,845 MCF | Dec 2007 - May 2025 |
| Avant Operating, LLC | New Mexico | 591,725 BBLs | 1,322,456 MCF | Jan 2022 - Jun 2025 |
| Axis Exploration LLC | Colorado | 26,599 BBLs | 102,919 MCF | Oct 2016 - Jun 2025 |
| Aztec Oil Operating LLC | Kansas | 6,987 BBLs | 348 MCF | Jan 2010 - Apr 2025 |
| Azul Operating, LLC | Louisiana | 0 BBLs | 2,660,194 MCF | Nov 2023 - Dec 2024 |
| Bach Oil Production | Kansas | 9,431 BBLs | 0 MCF | Jan 1980 - Apr 2025 |
| Badger Energy LLC | Louisiana | 26,320 BBLs | 27,800 MCF | Feb 2012 - Dec 2024 |
| Bain Resources, Inc. | Montana | 2,501 BBLs | 870 MCF | May 2021 - Jun 2025 |
| Baird Oil Company LLC | Kansas | 4,283 BBLs | 0 MCF | Jan 1980 - Apr 2025 |
| Ballard Petroleum Holdings LLC | Wyoming | 213,034 BBLs | 538,116 MCF | Jan 1983 - Jun 2025 |
| Ballard Petroleum Holdings, LLC | North Dakota | 10,074 BBLs | 0 MCF | May 2003 - Jun 2025 |
| Bam Permian Operating, LLC | New Mexico | 7,171 BBLs | 94,618 MCF | Apr 2019 - Jun 2025 |
| Barn Owls LLC | Wyoming | 25,692 BBLs | 2,929 MCF | Jul 2022 - Jun 2025 |
| Barrett Corporation* Bill | Colorado | 230,134 BBLs | 1,123,511 MCF | Sep 2004 - Jun 2025 |
| Bay Gas, LLC | Louisiana | 1,785 BBLs | 0 MCF | Nov 2003 - Dec 2024 |
| Bayless Producer LLC* Robert L | Colorado | 1,589 BBLs | 29,856 MCF | Jan 1999 - Jun 2025 |
| Bayou Bouillon Operating LLC | Louisiana | 34,155 BBLs | 16,425 MCF | Dec 2015 - Dec 2024 |
| Bayou State Oil Corporation | Louisiana | 8,458 BBLs | 647 MCF | Jan 1977 - Dec 2024 |
| Bayswater Exploration And Production LLC | Colorado | 263,928 BBLs | 830,424 MCF | Feb 2008 - Jun 2025 |
| Bce-Mach III LLC | Kansas | 12,759 BBLs | 256,057 MCF | Jan 2020 - Apr 2025 |
| Bce-Mach LLC | Kansas | 20,196 BBLs | 231,833 MCF | Jun 2010 - Apr 2025 |
| Bce-Mach LLC | Wyoming | 655 BBLs | 323,152 MCF | May 2025 - Jun 2025 |
| Bear Petroleum, LLC | Kansas | 4,053 BBLs | 5,067 MCF | Jan 1980 - Apr 2025 |
| Beartooth Oil & Gas Co | Utah | 16 BBLs | 26,852 MCF | Jan 1983 - Jun 2025 |
| Becker Oil Corporation | Kansas | 3,721 BBLs | 51,399 MCF | Jan 1980 - Apr 2025 |
| Beeman Oil & Gas LLC | Colorado | 1,662 BBLs | 2,846 MCF | Jan 1999 - Jul 2025 |
| Behm Energy, Inc. | Montana | 4,296 BBLs | 0 MCF | May 1996 - Jun 2025 |
| Bennett & Schulte Oil Co., A General Partnership | Kansas | 3,287 BBLs | 0 MCF | Jan 1980 - Apr 2025 |
| Benson-Montin-Greer Drilling Corp | New Mexico | 5,758 BBLs | 44,503 MCF | Jan 1993 - Jul 2025 |
| Beren Corporation | Colorado | 1,807 BBLs | 0 MCF | Jan 1999 - Jun 2025 |
| Beren Corporation | Kansas | 3,353 BBLs | 14,383 MCF | Jan 1980 - Apr 2025 |
| Beren Corporation | Wyoming | 1,668 BBLs | 0 MCF | Jan 1978 - Jun 2025 |
| Berenergy Corporation | Kansas | 1,291 BBLs | 0 MCF | Jan 1980 - Apr 2025 |
| Berenergy Corporation | North Dakota | 9,306 BBLs | 207 MCF | May 2001 - Jul 2025 |
| Berenergy Corporation | Wyoming | 2,531 BBLs | 3,230 MCF | Jan 1987 - Jul 2025 |
| Berexco LLC | Kansas | 124,119 BBLs | 102,855 MCF | Jan 1980 - Apr 2025 |
| Berry Petroleum Company LLC | Utah | 71,702 BBLs | 537,544 MCF | Dec 2013 - Jun 2025 |
| BG-5, Inc. | Kansas | 1,961 BBLs | 0 MCF | Jan 1980 - Apr 2025 |
| BHB Oil, Inc | Louisiana | 1,303 BBLs | 2,463 MCF | Sep 1985 - Dec 2024 |
| Big 'O' | Kansas | 1,802 BBLs | 0 MCF | Jan 1980 - Apr 2025 |
| Big Muddy Operating LLC | Wyoming | 3,543 BBLs | 0 MCF | Oct 2016 - Jun 2025 |
| Big Star Investments, LLC | New Mexico | 1,364 BBLs | 314 MCF | May 2022 - Jun 2025 |
| Bird Dog Oil, LLC | Kansas | 1,766 BBLs | 0 MCF | May 2012 - Apr 2025 |
| Birk Petroleum | Kansas | 2,359 BBLs | 0 MCF | Jan 1980 - Apr 2025 |
| Bison IV Operating LLC | Colorado | 822,996 BBLs | 2,448,107 MCF | Dec 2017 - Jun 2025 |
| Bison IV Operating LLC | Wyoming | 28,363 BBLs | 31,565 MCF | Mar 2023 - Jun 2025 |
| Bison Operating LLC | Wyoming | 5,598 BBLs | 2,590 MCF | Nov 2022 - Jun 2025 |
| Black Bear Oil Corporation | Wyoming | 10,200 BBLs | 42,953 MCF | May 2003 - Jun 2025 |