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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Atx Energy Partners LLC | Wyoming | 3,959 BBLs | 5,107 MCF | Jan 2018 - Jul 2026 |
| Avant Operating II, LLC | New Mexico | 15,574 BBLs | 22,681 MCF | Aug 2025 - Aug 2026 |
| Axis Exploration LLC | Colorado | 16,725 BBLs | 80,556 MCF | Jan 1999 - Jul 2026 |
| Azariah Operating, LLC | New Mexico | 1,132 BBLs | 1,175 MCF | Sep 2025 - Jul 2026 |
| Aztec Oil Operating LLC | Kansas | 5,335 BBLs | 322 MCF | Jan 2010 - Jun 2026 |
| Azul Operating, LLC | Louisiana | 0 BBLs | 2,660,194 MCF | Nov 2023 - Dec 2024 |
| Bach Oil Production | Kansas | 8,301 BBLs | 0 MCF | Jan 1980 - Jun 2026 |
| Badger Energy LLC | Louisiana | 26,320 BBLs | 27,800 MCF | Feb 2012 - Dec 2024 |
| Bain Resources, Inc. | Montana | 2,576 BBLs | 720 MCF | May 2021 - Jul 2026 |
| Baird Oil Company LLC | Kansas | 3,046 BBLs | 0 MCF | Jan 1980 - Jun 2026 |
| Ballard Petroleum Holdings LLC | Wyoming | 264,225 BBLs | 508,441 MCF | Jan 1983 - Jul 2026 |
| Ballard Petroleum Holdings, LLC | North Dakota | 12,347 BBLs | 0 MCF | May 2003 - Jul 2026 |
| Bam Permian Operating, LLC | New Mexico | 4,817 BBLs | 47,789 MCF | Apr 2019 - Aug 2026 |
| Bareto Energy LLC | Wyoming | 25,479 BBLs | 0 MCF | Dec 2025 - Aug 2026 |
| Barn Owls LLC | Wyoming | 42,320 BBLs | 6,594 MCF | Jul 2022 - Aug 2026 |
| Barnard Oil Operations | Kansas | 1,301 BBLs | 0 MCF | Jan 1980 - Jun 2026 |
| Barrett Corporation* Bill | Colorado | 130,965 BBLs | 788,220 MCF | Jan 1999 - Jul 2026 |
| Bay Gas, LLC | Louisiana | 1,785 BBLs | 0 MCF | Nov 2003 - Dec 2024 |
| Bayless Producer LLC* Robert L | Colorado | 3,295 BBLs | 26,132 MCF | Jan 1999 - Jul 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 | 124,678 BBLs | 542,395 MCF | Jan 1999 - Jul 2026 |
| Bce-Mach III LLC | Kansas | 10,210 BBLs | 223,686 MCF | Jan 2020 - Jun 2026 |
| Bce-Mach III LLC | New Mexico | 4,151 BBLs | 8,459 MCF | Oct 2025 - Aug 2026 |
| Bce-Mach LLC | Kansas | 20,052 BBLs | 227,539 MCF | Jun 2010 - Jun 2026 |
| Bce-Mach LLC | Wyoming | 574 BBLs | 321,687 MCF | May 2025 - Aug 2026 |
| Bear Petroleum, LLC | Kansas | 4,366 BBLs | 7,980 MCF | Jan 1980 - Jun 2026 |
| Becker Oil Corporation | Kansas | 2,153 BBLs | 52,067 MCF | Jan 1980 - Jun 2026 |
| Beeman Oil & Gas LLC | Colorado | 3,298 BBLs | 9,903 MCF | Jan 1999 - Aug 2026 |
| Behm Energy, Inc. | Montana | 3,864 BBLs | 0 MCF | May 1996 - Aug 2026 |
| Bennett & Schulte Oil Co., A General Partnership | Kansas | 3,415 BBLs | 0 MCF | Jan 1980 - Jun 2026 |
| Benson-Montin-Greer Drilling Corp | New Mexico | 5,548 BBLs | 43,662 MCF | Jan 1993 - Aug 2026 |
| Beren Corporation | Colorado | 2,103 BBLs | 0 MCF | Jan 1999 - Jul 2026 |
| Beren Corporation | Kansas | 2,521 BBLs | 10,991 MCF | Jan 1980 - Jun 2026 |
| Beren Corporation | Montana | 3,135 BBLs | 0 MCF | Jan 1991 - Jul 2026 |
| Beren Corporation | Wyoming | 1,679 BBLs | 0 MCF | Jan 1978 - Aug 2026 |
| Berenergy Corporation | Kansas | 1,118 BBLs | 0 MCF | Jan 1980 - Jun 2026 |
| Berenergy Corporation | North Dakota | 8,666 BBLs | 201 MCF | May 2001 - Jul 2026 |
| Berenergy Corporation | Wyoming | 2,059 BBLs | 3,210 MCF | Jan 1987 - Aug 2026 |
| Berexco LLC | Kansas | 120,094 BBLs | 66,315 MCF | Jan 1980 - Jun 2026 |
| Berry Petroleum Company LLC | Utah | 98,461 BBLs | 624,525 MCF | Dec 2013 - Aug 2026 |
| BG-5, Inc. | Kansas | 1,413 BBLs | 0 MCF | Jan 1980 - Jun 2026 |
| BHB Oil, Inc | Louisiana | 1,303 BBLs | 2,463 MCF | Sep 1985 - Dec 2024 |
| Big 'O' | Kansas | 1,461 BBLs | 0 MCF | Jan 1980 - Jun 2026 |
| Big Muddy Operating LLC | Wyoming | 2,679 BBLs | 0 MCF | Oct 2016 - Aug 2026 |
| Big Star Investments, LLC | New Mexico | 1,552 BBLs | 49 MCF | May 2022 - Jul 2026 |
| Bird Dog Oil, LLC | Kansas | 1,906 BBLs | 0 MCF | May 2012 - Jun 2026 |
| Birk Petroleum | Kansas | 1,309 BBLs | 0 MCF | Jan 1980 - Jun 2026 |
| Bison IV Operating LLC | Colorado | 1,271,183 BBLs | 4,078,309 MCF | Jan 1999 - Jul 2026 |
| Bison IV Operating LLC | Wyoming | 49,736 BBLs | 41,544 MCF | Mar 2023 - Aug 2026 |