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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Bach Oil Production | Kansas | 11,239 BBLs | 0 MCF | Jan 1980 - Jun 2025 |
| Badger Energy LLC | Louisiana | 26,320 BBLs | 27,800 MCF | Feb 2012 - Dec 2024 |
| Bain Resources, Inc. | Montana | 2,217 BBLs | 834 MCF | May 2021 - Sep 2025 |
| Baird Oil Company LLC | Kansas | 4,775 BBLs | 0 MCF | Jan 1980 - Jun 2025 |
| Ballard Petroleum Holdings LLC | Wyoming | 207,175 BBLs | 564,869 MCF | Jan 1983 - Sep 2025 |
| Ballard Petroleum Holdings, LLC | North Dakota | 12,385 BBLs | 0 MCF | May 2003 - Sep 2025 |
| Bam Permian Operating, LLC | New Mexico | 11,498 BBLs | 73,798 MCF | Apr 2019 - Sep 2025 |
| Barn Owls LLC | Wyoming | 26,184 BBLs | 2,340 MCF | Jul 2022 - Sep 2025 |
| Barrett Corporation* Bill | Colorado | 203,920 BBLs | 1,119,039 MCF | Jan 1999 - Sep 2025 |
| Bauer Oil Investment, LLC | Kansas | 1,158 BBLs | 0 MCF | Feb 1980 - Jun 2025 |
| Bay Gas, LLC | Louisiana | 1,785 BBLs | 0 MCF | Nov 2003 - Dec 2024 |
| Bayless Producer LLC* Robert L | Colorado | 1,682 BBLs | 34,646 MCF | Jan 1999 - Sep 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 | 266,190 BBLs | 727,694 MCF | Jan 1999 - Sep 2025 |
| Bce-Mach III LLC | Kansas | 11,957 BBLs | 251,021 MCF | Jan 2020 - Jun 2025 |
| Bce-Mach LLC | Kansas | 19,401 BBLs | 229,253 MCF | Jun 2010 - Jun 2025 |
| Bce-Mach LLC | Wyoming | 704 BBLs | 322,976 MCF | May 2025 - Sep 2025 |
| BCP Resources, LLC | New Mexico | 1,005 BBLs | 3,312 MCF | Feb 2024 - Sep 2025 |
| Bear Petroleum, LLC | Kansas | 4,303 BBLs | 7,297 MCF | Jan 1980 - Jun 2025 |
| Beartooth Oil & Gas Co | Utah | 14 BBLs | 26,607 MCF | Jan 1983 - Sep 2025 |
| Becker Oil Corporation | Kansas | 3,053 BBLs | 50,774 MCF | Jan 1980 - Jun 2025 |
| Beeman Oil & Gas LLC | Colorado | 2,146 BBLs | 16,588 MCF | Jan 1999 - Oct 2025 |
| Behm Energy, Inc. | Montana | 3,759 BBLs | 0 MCF | May 1996 - Sep 2025 |
| Bennett & Schulte Oil Co., A General Partnership | Kansas | 3,897 BBLs | 0 MCF | Jan 1980 - Jun 2025 |
| Benson-Montin-Greer Drilling Corp | New Mexico | 6,165 BBLs | 45,526 MCF | Jan 1993 - Oct 2025 |
| Beren Corporation | Colorado | 1,412 BBLs | 0 MCF | Jan 1999 - Sep 2025 |
| Beren Corporation | Kansas | 3,474 BBLs | 12,845 MCF | Jan 1980 - Jun 2025 |
| Beren Corporation | Wyoming | 1,515 BBLs | 0 MCF | Jan 1978 - Sep 2025 |
| Berenergy Corporation | North Dakota | 9,699 BBLs | 222 MCF | May 2001 - Oct 2025 |
| Berenergy Corporation | Wyoming | 2,431 BBLs | 4,351 MCF | Jan 1987 - Oct 2025 |
| Berexco LLC | Kansas | 134,396 BBLs | 106,449 MCF | Jan 1980 - Jun 2025 |
| Berry Petroleum Company LLC | Utah | 165,792 BBLs | 547,192 MCF | Dec 2013 - Sep 2025 |
| BG-5, Inc. | Kansas | 1,488 BBLs | 0 MCF | Jan 1980 - Jun 2025 |
| BHB Oil, Inc | Louisiana | 1,303 BBLs | 2,463 MCF | Sep 1985 - Dec 2024 |
| Big 'O' | Kansas | 1,443 BBLs | 0 MCF | Jan 1980 - Jun 2025 |
| Big Muddy Operating LLC | Wyoming | 3,375 BBLs | 0 MCF | Oct 2016 - Sep 2025 |
| Big Star Investments, LLC | New Mexico | 1,420 BBLs | 49 MCF | May 2022 - Sep 2025 |
| Bird Dog Oil, LLC | Kansas | 2,113 BBLs | 0 MCF | May 2012 - Jun 2025 |
| Birk Petroleum | Kansas | 1,442 BBLs | 0 MCF | Jan 1980 - Jun 2025 |
| Bison IV Operating LLC | Colorado | 835,029 BBLs | 2,411,240 MCF | Jan 1999 - Oct 2025 |
| Bison IV Operating LLC | Wyoming | 28,729 BBLs | 35,216 MCF | Mar 2023 - Sep 2025 |
| Black Bear Oil Corporation | Wyoming | 9,810 BBLs | 43,885 MCF | May 2003 - Sep 2025 |
| Black Gold Services Inc | Wyoming | 1,200 BBLs | 1 MCF | Jan 2021 - Oct 2025 |
| Black Jack Oil Company., Inc. | Mississippi | 5,197 BBLs | 1,134 MCF | Dec 1976 - Sep 2025 |
| Black Jack Operating, LLC | Louisiana | 2,981 BBLs | 18,211 MCF | Jun 2023 - Dec 2024 |
| Black Oak Exploration, LLC | Kansas | 3,109 BBLs | 298 MCF | Feb 2010 - Jun 2025 |
| Black Rock Resources, LLC | Kansas | 2,937 BBLs | 0 MCF | Jan 2010 - Jun 2025 |
| Black Thunder Oil LLC | Wyoming | 1,686 BBLs | 38,810 MCF | Aug 2015 - Sep 2025 |
| Black Warrior Methane Corp. | Alabama | 0 BBLs | 202,041 MCF | Feb 1982 - Sep 2025 |