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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Tribar Resources LLC | Wyoming | 5,227 BBLs | 0 MCF | Jul 2023 - Jun 2025 |
| Trimble & Maclaskey Oil LLC | Kansas | 7,449 BBLs | 0 MCF | Jan 1980 - Apr 2025 |
| Trinity Operating (Usg), LLC | Louisiana | 0 BBLs | 11,032,457 MCF | Aug 2020 - Dec 2024 |
| Triple Crown Operating LLC | Kansas | 2,054 BBLs | 0 MCF | Feb 2015 - Apr 2025 |
| True Oil LLC | Colorado | 4,419 BBLs | 8,814 MCF | Jan 1999 - Jul 2025 |
| True Oil LLC | Montana | 11,397 BBLs | 13,496 MCF | Jan 1986 - Jun 2025 |
| True Oil LLC | North Dakota | 38,706 BBLs | 50,278 MCF | Jul 2002 - Jun 2025 |
| True Oil LLC | Wyoming | 86,837 BBLs | 117,748 MCF | Jan 1978 - Jun 2025 |
| Tuscola Energy Inc | Michigan | 2,380 BBLs | 0 MCF | Apr 2002 - Jul 2025 |
| U.D. Man, Inc. | Louisiana | 1,721 BBLs | 0 MCF | Aug 2021 - Dec 2024 |
| Uinta Wax Operating, LLC | Utah | 837,976 BBLs | 772,042 MCF | Sep 2021 - Jun 2025 |
| Uintah Investors LLC | Utah | 0 BBLs | 25,492 MCF | Sep 2010 - Jun 2025 |
| Union Gas Operating Company | Louisiana | 531 BBLs | 25,562 MCF | Sep 2007 - Dec 2024 |
| Union Valley Petroleum Corporation | Kansas | 2,814 BBLs | 7,732 MCF | Jan 1995 - Apr 2025 |
| United World Energy Corporation | Louisiana | 5,507 BBLs | 2,283 MCF | Jul 1993 - Dec 2024 |
| Unitex Oil & Gas, L.L.C. | New Mexico | 2,674 BBLs | 438 MCF | Oct 2018 - Jun 2025 |
| Urban Oil & Gas Group LLC | Wyoming | 2,769 BBLs | 1,083,718 MCF | Jan 2012 - Jun 2025 |
| Urban Oil & Gas Group, LLC | Utah | 0 BBLs | 2,011,320 MCF | Jul 2019 - Jun 2025 |
| Us Oil & Gas Inc | Utah | 6,044 BBLs | 2,077 MCF | Jul 1955 - Jun 2025 |
| Us Oil Resources LLC | Kansas | 1,442 BBLs | 0 MCF | Jun 2017 - Apr 2025 |
| Utah Gas Op LTD | Utah | 2,931 BBLs | 526,164 MCF | Feb 2018 - Jun 2025 |
| Utah Oil LLC | Kansas | 2,142 BBLs | 0 MCF | Jan 1980 - Apr 2025 |
| V C P Michigan, LLC | Michigan | 553 BBLs | 334,142 MCF | Feb 2020 - Jun 2025 |
| V-F Petroleum Inc | New Mexico | 112,541 BBLs | 321,388 MCF | Jan 1993 - Jun 2025 |
| V. Francis Weigel Family Partnership LLC | Kansas | 1,759 BBLs | 0 MCF | Jan 1980 - Apr 2025 |
| Val Energy, Inc. | Kansas | 18,338 BBLs | 18,129 MCF | Jan 1980 - Apr 2025 |
| Valkyrie Operating LLC | Wyoming | 8,910 BBLs | 1,099 MCF | Sep 2018 - Jul 2025 |
| Valkyrie Operating, LLC | North Dakota | 5,691 BBLs | 8,352 MCF | Mar 2021 - Jun 2025 |
| Vamco Operations | Kansas | 2,067 BBLs | 1,158 MCF | Jan 1980 - Apr 2025 |
| Vaquero Big Horn LLC | Wyoming | 23,432 BBLs | 0 MCF | May 2018 - Jun 2025 |
| Vaquero Uinta, LLC | Utah | 30,315 BBLs | 146,859 MCF | Jun 2021 - Jun 2025 |
| VCP Wyoming LLC | Wyoming | 7,157 BBLs | 0 MCF | Jun 2025 - Jun 2025 |
| Veenker Resources, Inc. | Kansas | 1,478 BBLs | 4,068 MCF | Jan 1980 - Apr 2025 |
| Venture Oil & Gas Inc. | Alabama | 4,090 BBLs | 4,481 MCF | Dec 1990 - May 2025 |
| Venture Oil & Gas, Inc. | Mississippi | 93,329 BBLs | 78,289 MCF | Nov 1976 - May 2025 |
| Venture Resources, Inc. | Kansas | 10,261 BBLs | 0 MCF | Jan 1980 - Apr 2025 |
| Verdad Resources LLC | Colorado | 993,945 BBLs | 3,666,740 MCF | Oct 2016 - Jun 2025 |
| Verde Oil Company | Kansas | 1,982 BBLs | 0 MCF | Jan 1980 - Apr 2025 |
| Vermilion Energy USA LLC | Wyoming | 41,548 BBLs | 238,174 MCF | Oct 2014 - Jun 2025 |
| Vernon E. Faulconer, Inc. | Louisiana | 364 BBLs | 21,593 MCF | May 1983 - Dec 2024 |
| Vess Oil Corporation | Kansas | 78,528 BBLs | 14,606 MCF | Jan 1980 - Apr 2025 |
| Viking Resources, Inc | Kansas | 2,587 BBLs | 0 MCF | Jan 1980 - Apr 2025 |
| Vincent Oil Corporation | Kansas | 20,806 BBLs | 23,702 MCF | Jan 1980 - Apr 2025 |
| Vintage Drilling LLC | New Mexico | 1,269 BBLs | 12,475 MCF | Jan 1993 - Jun 2025 |
| W B Osborn Oil And Gas Operations LTD | Michigan | 6,358 BBLs | 0 MCF | Dec 2010 - Jun 2025 |
| W&T Offshore, Inc. | Alabama | 228 BBLs | 628,213 MCF | Dec 1991 - May 2025 |
| W.D. Short Oil Co., LLC | Kansas | 1,799 BBLs | 0 MCF | Jan 1980 - Apr 2025 |
| Wagner Oil Company | Louisiana | 3,581 BBLs | 248 MCF | Jan 1999 - Dec 2024 |
| Wapiti Operating LLC | Colorado | 0 BBLs | 231,769 MCF | Sep 2010 - Jun 2025 |
| Wapiti Operating LLC | Wyoming | 33 BBLs | 24,619 MCF | Apr 2018 - Jun 2025 |