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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Australis TMS Inc. | Mississippi | 16,245 BBLs | 17,557 MCF | Dec 2007 - Apr 2025 |
| Avant Operating, LLC | New Mexico | 542,119 BBLs | 1,208,234 MCF | Jan 2022 - Apr 2025 |
| Axis Exploration LLC | Colorado | 28,187 BBLs | 83,417 MCF | Oct 2016 - Apr 2025 |
| Aztec Oil Operating LLC | Kansas | 7,078 BBLs | 277 MCF | Jan 2010 - Feb 2025 |
| Azul Operating, LLC | Louisiana | 0 BBLs | 2,660,194 MCF | Nov 2023 - Dec 2024 |
| Bach Oil Production | Kansas | 11,722 BBLs | 0 MCF | Jan 1980 - Feb 2025 |
| Badger Energy LLC | Louisiana | 26,320 BBLs | 27,800 MCF | Feb 2012 - Dec 2024 |
| Baird Oil Company LLC | Kansas | 3,657 BBLs | 0 MCF | Jan 1980 - Feb 2025 |
| Ballard Petroleum Holdings, LLC | North Dakota | 12,939 BBLs | 0 MCF | May 2003 - Apr 2025 |
| Bam Permian Operating, LLC | New Mexico | 15,169 BBLs | 114,087 MCF | Apr 2019 - Apr 2025 |
| Barn Owls LLC | Wyoming | 24,727 BBLs | 780 MCF | Jul 2022 - Apr 2025 |
| Barnard Oil Operations | Kansas | 1,133 BBLs | 0 MCF | Jan 1980 - Feb 2025 |
| Bay Gas, LLC | Louisiana | 1,785 BBLs | 0 MCF | Nov 2003 - Dec 2024 |
| 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 | 683,235 BBLs | 2,749,782 MCF | Feb 2008 - Apr 2025 |
| Bce-Mach III LLC | Kansas | 11,213 BBLs | 254,542 MCF | Jan 2020 - Feb 2025 |
| Bce-Mach LLC | Kansas | 18,437 BBLs | 191,137 MCF | Jun 2010 - Feb 2025 |
| BCP Resources, LLC | New Mexico | 1,056 BBLs | 3,800 MCF | Feb 2024 - Apr 2025 |
| Bear Petroleum, LLC | Kansas | 4,385 BBLs | 7,862 MCF | Jan 1980 - Feb 2025 |
| Beartooth Oil & Gas Co | Utah | 18 BBLs | 26,639 MCF | Jan 1983 - Apr 2025 |
| Becker Oil Corporation | Kansas | 3,309 BBLs | 45,975 MCF | Jan 1980 - Feb 2025 |
| Beeman Oil & Gas LLC | Colorado | 2,185 BBLs | 9,231 MCF | Jan 1999 - Apr 2025 |
| Behm Energy, Inc. | Montana | 4,185 BBLs | 0 MCF | May 1996 - Apr 2025 |
| Bennett & Schulte Oil Co., A General Partnership | Kansas | 3,203 BBLs | 0 MCF | Jan 1980 - Feb 2025 |
| Benson-Montin-Greer Drilling Corp | New Mexico | 5,934 BBLs | 46,329 MCF | Jan 1993 - Apr 2025 |
| Beren Corporation | Colorado | 1,958 BBLs | 0 MCF | Jan 1999 - Apr 2025 |
| Beren Corporation | Kansas | 2,889 BBLs | 12,711 MCF | Jan 1980 - Feb 2025 |
| Beren Corporation | Montana | 1,107 BBLs | 0 MCF | Jan 1991 - Apr 2025 |
| Beren Corporation | Wyoming | 1,615 BBLs | 0 MCF | Jan 1978 - May 2025 |
| Berenergy Corporation | North Dakota | 9,707 BBLs | 192 MCF | May 2001 - May 2025 |
| Berenergy Corporation | Wyoming | 2,217 BBLs | 3,651 MCF | Jan 1987 - Apr 2025 |
| Berexco LLC | Kansas | 120,884 BBLs | 91,798 MCF | Jan 1980 - Feb 2025 |
| Berry Petroleum Company LLC | Utah | 76,284 BBLs | 516,025 MCF | Dec 2013 - Apr 2025 |
| BHB Oil, Inc | Louisiana | 1,303 BBLs | 2,463 MCF | Sep 1985 - Dec 2024 |
| Big 'O' | Kansas | 1,147 BBLs | 0 MCF | Jan 1980 - Feb 2025 |
| Big Muddy Operating LLC | Wyoming | 3,299 BBLs | 0 MCF | Oct 2016 - Apr 2025 |
| Big Star Investments, LLC | New Mexico | 1,477 BBLs | 48 MCF | May 2022 - Apr 2025 |
| Bird Dog Oil, LLC | Kansas | 1,331 BBLs | 0 MCF | May 2012 - Feb 2025 |
| Birk Petroleum | Kansas | 1,348 BBLs | 0 MCF | Jan 1980 - Feb 2025 |
| Bison IV Operating LLC | Colorado | 847,374 BBLs | 2,132,565 MCF | Dec 2017 - Apr 2025 |
| Bison IV Operating LLC | Wyoming | 28,442 BBLs | 30,156 MCF | Mar 2023 - Apr 2025 |
| Bison Operating LLC | Wyoming | 6,540 BBLs | 3,127 MCF | Nov 2022 - Apr 2025 |
| Black Bear Oil Corporation | Wyoming | 10,455 BBLs | 37,661 MCF | May 2003 - Apr 2025 |
| Black Jack Oil Company., Inc. | Mississippi | 1,607 BBLs | 154 MCF | Dec 1976 - Apr 2025 |
| Black Jack Operating, LLC | Louisiana | 2,981 BBLs | 18,211 MCF | Jun 2023 - Dec 2024 |
| Black Oak Exploration, LLC | Kansas | 2,930 BBLs | 282 MCF | Feb 2010 - Feb 2025 |
| Black Rock Resources, LLC | Kansas | 2,759 BBLs | 0 MCF | Jan 2010 - Feb 2025 |
| Black Top Operating, LLC | New Mexico | 1,465 BBLs | 1,094 MCF | Oct 2022 - Apr 2025 |
| Black Warrior Methane Corp. | Alabama | 0 BBLs | 184,469 MCF | Feb 1982 - Mar 2025 |