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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Azul Operating, LLC | Louisiana | 0 BBLs | 2,660,194 MCF | Nov 2023 - Dec 2024 |
| Bach Oil Production | Kansas | 10,094 BBLs | 0 MCF | Jan 1980 - Nov 2025 |
| Badger Energy LLC | Louisiana | 26,320 BBLs | 27,800 MCF | Feb 2012 - Dec 2024 |
| Baird Oil Company LLC | Kansas | 3,827 BBLs | 0 MCF | Jan 1980 - Nov 2025 |
| Ballard Petroleum Holdings LLC | Wyoming | 232,351 BBLs | 521,159 MCF | Jan 1983 - Jan 2026 |
| Ballard Petroleum Holdings, LLC | North Dakota | 12,624 BBLs | 0 MCF | May 2003 - Feb 2026 |
| Bam Permian Operating, LLC | New Mexico | 9,127 BBLs | 32,082 MCF | Apr 2019 - Jan 2026 |
| Bareto Energy LLC | Wyoming | 25,007 BBLs | 0 MCF | Dec 2025 - Jan 2026 |
| Barn Owls LLC | Wyoming | 26,569 BBLs | 3,395 MCF | Jul 2022 - Jan 2026 |
| Barrett Corporation* Bill | Colorado | 168,312 BBLs | 974,550 MCF | Jan 1999 - Jan 2026 |
| Bauer Oil Investment, LLC | Kansas | 1,133 BBLs | 0 MCF | Feb 1980 - Nov 2025 |
| Bay Gas, LLC | Louisiana | 1,785 BBLs | 0 MCF | Nov 2003 - Dec 2024 |
| Bayless Producer LLC* Robert L | Colorado | 1,360 BBLs | 30,044 MCF | Jan 1999 - Jan 2026 |
| 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 | 203,455 BBLs | 770,991 MCF | Jan 1999 - Jan 2026 |
| Bce-Mach III LLC | Kansas | 9,839 BBLs | 217,941 MCF | Jan 2020 - Nov 2025 |
| Bce-Mach III LLC | New Mexico | 2,264 BBLs | 9,587 MCF | Oct 2025 - Jan 2026 |
| Bce-Mach LLC | Kansas | 19,461 BBLs | 207,973 MCF | Jun 2010 - Nov 2025 |
| Bce-Mach LLC | Wyoming | 517 BBLs | 315,370 MCF | May 2025 - Feb 2026 |
| BCP Resources, LLC | New Mexico | 990 BBLs | 2,429 MCF | Feb 2024 - Jan 2026 |
| Bear Petroleum, LLC | Kansas | 5,002 BBLs | 9,312 MCF | Jan 1980 - Nov 2025 |
| Beartooth Oil & Gas Co | Utah | 10 BBLs | 25,888 MCF | Jan 1983 - Jan 2026 |
| Becker Oil Corporation | Kansas | 3,756 BBLs | 47,832 MCF | Jan 1980 - Nov 2025 |
| Beeman Oil & Gas LLC | Colorado | 2,862 BBLs | 13,650 MCF | Jan 1999 - Jan 2026 |
| Behm Energy, Inc. | Montana | 4,230 BBLs | 0 MCF | May 1996 - Feb 2026 |
| Bennett & Schulte Oil Co., A General Partnership | Kansas | 2,995 BBLs | 0 MCF | Jan 1980 - Nov 2025 |
| Benson-Montin-Greer Drilling Corp | New Mexico | 5,395 BBLs | 44,352 MCF | Jan 1993 - Feb 2026 |
| Beren Corporation | Colorado | 1,932 BBLs | 0 MCF | Jan 1999 - Jan 2026 |
| Beren Corporation | Kansas | 2,935 BBLs | 12,537 MCF | Jan 1980 - Nov 2025 |
| Beren Corporation | Montana | 1,052 BBLs | 0 MCF | Jan 1991 - Jan 2026 |
| Berenergy Corporation | Kansas | 1,107 BBLs | 0 MCF | Jan 1980 - Nov 2025 |
| Berenergy Corporation | North Dakota | 10,326 BBLs | 237 MCF | May 2001 - Feb 2026 |
| Berenergy Corporation | Wyoming | 1,876 BBLs | 3,220 MCF | Jan 1987 - Feb 2026 |
| Berexco LLC | Kansas | 125,209 BBLs | 75,268 MCF | Jan 1980 - Nov 2025 |
| Berry Petroleum Company LLC | Utah | 120,440 BBLs | 565,991 MCF | Dec 2013 - Jan 2026 |
| BG-5, Inc. | Kansas | 1,342 BBLs | 0 MCF | Jan 1980 - Nov 2025 |
| BHB Oil, Inc | Louisiana | 1,303 BBLs | 2,463 MCF | Sep 1985 - Dec 2024 |
| Big 'O' | Kansas | 1,107 BBLs | 0 MCF | Jan 1980 - Nov 2025 |
| Big Muddy Operating LLC | Wyoming | 3,468 BBLs | 0 MCF | Oct 2016 - Jan 2026 |
| Big Star Investments, LLC | New Mexico | 1,276 BBLs | 49 MCF | May 2022 - Jan 2026 |
| Bird Dog Oil, LLC | Kansas | 1,772 BBLs | 0 MCF | May 2012 - Nov 2025 |
| Birk Petroleum | Kansas | 1,473 BBLs | 0 MCF | Jan 1980 - Nov 2025 |
| Bison IV Operating LLC | Colorado | 1,534,520 BBLs | 3,909,924 MCF | Jan 1999 - Jan 2026 |
| Bison IV Operating LLC | Wyoming | 27,137 BBLs | 37,698 MCF | Mar 2023 - Feb 2026 |
| Black Bear Oil Corporation | Wyoming | 9,540 BBLs | 17,338 MCF | May 2003 - Jan 2026 |
| Black Jack Oil Company, Inc. | Mississippi | 4,626 BBLs | 432 MCF | Dec 1976 - Jan 2026 |
| Black Jack Operating, LLC | Louisiana | 2,981 BBLs | 18,211 MCF | Jun 2023 - Dec 2024 |
| Black Oak Exploration, LLC | Kansas | 3,541 BBLs | 308 MCF | Feb 2010 - Nov 2025 |
| Black Rock Resources, LLC | Kansas | 2,454 BBLs | 0 MCF | Jan 2010 - Nov 2025 |