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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| 1876 Resources LLC | Colorado | 24,734 BBLs | 387,608 MCF | Jun 2016 - Aug 2025 |
| 1876 Resources LLC | Wyoming | 263,521 BBLs | 431,309 MCF | Nov 2021 - Aug 2025 |
| 3R Operating, LLC | New Mexico | 218,935 BBLs | 942,231 MCF | Jul 2023 - Aug 2025 |
| 442 Operating La, LLC | Louisiana | 3,868 BBLs | 15,416 MCF | Aug 2023 - Dec 2024 |
| A&S Mineral Development Company, LLC | Montana | 5,524 BBLs | 902 MCF | Mar 2021 - Aug 2025 |
| A. B. Energy LLC | Montana | 234 BBLs | 54,159 MCF | Oct 2011 - Aug 2025 |
| Abercrombie Energy, LLC | Kansas | 9,950 BBLs | 9,666 MCF | Jan 1980 - Jun 2025 |
| Abundance Energy Services LLC | Colorado | 0 BBLs | 546,988 MCF | Jan 1999 - Aug 2025 |
| Ace Energy, LLC | Mississippi | 3,685 BBLs | 8,780 MCF | Jun 1986 - Aug 2025 |
| Acierto Resources Company, LLC | Louisiana | 2,533 BBLs | 0 MCF | Feb 2017 - Dec 2024 |
| Ad Astra Resources LLC | New Mexico | 3,095 BBLs | 8,399 MCF | Aug 2024 - Sep 2025 |
| Ad Astra Resourcesllc | Mississippi | 1,420 BBLs | 0 MCF | Jan 2024 - Sep 2025 |
| Adams H D LLC | Wyoming | 5,136 BBLs | 0 MCF | Jan 1986 - Sep 2025 |
| Addie, James & John Thornton | Louisiana | 3,064 BBLs | 0 MCF | Aug 1990 - Dec 2024 |
| Advanced Wireless Communications, L.L.C. | New Mexico | 2,613 BBLs | 61,107 MCF | Dec 2016 - Aug 2025 |
| Aethon Energy Operating LLC | Wyoming | 7,846 BBLs | 784,718 MCF | Jun 2015 - Aug 2025 |
| Agricultural Energy Services | Kansas | 1,393 BBLs | 4,049 MCF | Jan 1980 - Jun 2025 |
| Agv Corp. | Kansas | 949 BBLs | 13,959 MCF | Jan 1980 - Jun 2025 |
| Ainsworth Operating Co. | Kansas | 1,272 BBLs | 0 MCF | May 1980 - Jun 2025 |
| Aix Energy LLC | Alaska | 0 BBLs | 50,078 MCF | Jan 2015 - Sep 2025 |
| Aldine Oil And Gas, LP | Louisiana | 18,573 BBLs | 217,657 MCF | Apr 2023 - Jan 2025 |
| Allam Production, Inc. | Kansas | 1,467 BBLs | 0 MCF | Jan 1980 - Jun 2025 |
| Allen Brothers | Louisiana | 5,201 BBLs | 0 MCF | Jan 1977 - Dec 2024 |
| Altavista Energy, Inc. | Kansas | 3,628 BBLs | 0 MCF | Jan 1980 - Jun 2025 |
| American Warrior, Inc. | Kansas | 72,532 BBLs | 37,447 MCF | Jan 1980 - Jun 2025 |
| Amplify Energy Operating LLC | Louisiana | 567 BBLs | 62,179 MCF | Jun 2017 - Dec 2024 |
| Amplify Energy Operating LLC | Wyoming | 82,345 BBLs | 5,455,886 MCF | Jun 2017 - Aug 2025 |
| Anadarko E&P Onshore LLC | Wyoming | 500,666 BBLs | 1,279,098 MCF | Aug 1992 - Sep 2025 |
| Anchor Bay Petroleum LLC | Kansas | 1,445 BBLs | 0 MCF | Aug 2006 - Jun 2025 |
| Anschutz Exploration Corp | Colorado | 13,449 BBLs | 72,865 MCF | Jan 1999 - Aug 2025 |
| Anschutz Exploration Corporation | Utah | 13,441 BBLs | 345,522 MCF | Apr 2018 - Aug 2025 |
| Anschutz Exploration Corporation | Wyoming | 1,351,038 BBLs | 4,381,580 MCF | Nov 1997 - Aug 2025 |
| Anstine & Musgrove Inc. | Kansas | 3,766 BBLs | 0 MCF | Jan 1980 - Jun 2025 |
| Apache Corporation | New Mexico | 100,697 BBLs | 243,265 MCF | Jan 1993 - Aug 2025 |
| Apollo Energies, Inc. | Kansas | 3,045 BBLs | 7,329 MCF | Jan 1980 - Jun 2025 |
| Apollo Energy Operating Company, LP | Louisiana | 4,242 BBLs | 7,431 MCF | Apr 2011 - Dec 2024 |
| Apollo Exploration And Development Inc | Michigan | 4,218 BBLs | 5,388 MCF | Mar 1990 - Aug 2025 |
| Arb Energy Utah, LLC | Utah | 44 BBLs | 101,706 MCF | Aug 2019 - Aug 2025 |
| Arcadian Resources, LLC | Kansas | 1,291 BBLs | 12 MCF | Jan 2010 - Jun 2025 |
| Arena Resources LLC | Wyoming | 19,042 BBLs | 24,670 MCF | Aug 2023 - Aug 2025 |
| Aria Operating LLC | Mississippi | 2,612 BBLs | 0 MCF | Jan 2023 - Aug 2025 |
| Armstrong Energy Corp | New Mexico | 23,026 BBLs | 65,127 MCF | Jan 1993 - Aug 2025 |
| Armstrong Operating, Inc. | Montana | 1,324 BBLs | 48 MCF | Feb 1995 - Aug 2025 |
| Armstrong Operating, Inc. | North Dakota | 3,825 BBLs | 2,048 MCF | Jun 1995 - Aug 2025 |
| Arp Operating, LLC | Kansas | 1,784 BBLs | 0 MCF | Jan 2010 - Jun 2025 |
| Arp Production Company, LLC | Alabama | 0 BBLs | 371,945 MCF | May 1989 - Jul 2025 |
| Atlas Operating LLC | Kansas | 2,350 BBLs | 12,106 MCF | Jan 1980 - Jun 2025 |
| Atlas Operating LLC | New Mexico | 2,242 BBLs | 3,312 MCF | Nov 2024 - Aug 2025 |
| Atx Energy Partners LLC | Wyoming | 5,060 BBLs | 6,099 MCF | Jan 2018 - Sep 2025 |
| Australis TMS Inc. | Mississippi | 15,084 BBLs | 16,918 MCF | Dec 2007 - Aug 2025 |