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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Trans Pacific Oil Corporation | Kansas | 20,566 BBLs | 1,838 MCF | Jan 1980 - Dec 2025 |
| Trek Aec, LLC | Kansas | 7,585 BBLs | 9,897 MCF | Jan 1980 - Dec 2025 |
| Trendwell Energy Corporation | Michigan | 1,174 BBLs | 0 MCF | Jan 1982 - Sep 2025 |
| Tribar Resources LLC | Wyoming | 5,769 BBLs | 380 MCF | Jul 2023 - Feb 2026 |
| Trimble & Maclaskey Oil LLC | Kansas | 7,563 BBLs | 0 MCF | Jan 1980 - Dec 2025 |
| Trinity Operating (Usg), LLC | Louisiana | 0 BBLs | 11,032,457 MCF | Aug 2020 - Dec 2024 |
| True Oil LLC | Colorado | 3,865 BBLs | 8,214 MCF | Jan 1999 - Jan 2026 |
| True Oil LLC | Montana | 7,635 BBLs | 5,876 MCF | Jan 1986 - Jan 2026 |
| True Oil LLC | North Dakota | 42,918 BBLs | 61,601 MCF | Jul 2002 - Feb 2026 |
| True Oil LLC | Wyoming | 52,416 BBLs | 57,100 MCF | Jan 1978 - Jan 2026 |
| U.D. Man, Inc. | Louisiana | 1,721 BBLs | 0 MCF | Aug 2021 - Dec 2024 |
| Uinta Wax Operating, LLC | Utah | 755,196 BBLs | 798,210 MCF | Sep 2021 - Jan 2026 |
| Union Gas Operating Company | Louisiana | 531 BBLs | 25,562 MCF | Sep 2007 - Dec 2024 |
| Union Valley Petroleum Corporation | Kansas | 2,237 BBLs | 15,373 MCF | Jan 1995 - Dec 2025 |
| United World Energy Corporation | Louisiana | 5,507 BBLs | 2,283 MCF | Jul 1993 - Dec 2024 |
| Unitex Oil & Gas, L.L.C. | New Mexico | 2,413 BBLs | 310 MCF | Oct 2018 - Jan 2026 |
| Urban Oil & Gas Group LLC | Wyoming | 12,624 BBLs | 2,039,662 MCF | Jan 2012 - Feb 2026 |
| Urban Oil & Gas Group, LLC | Utah | 0 BBLs | 2,019,002 MCF | Jul 2019 - Jan 2026 |
| Us Oil & Gas Inc | Utah | 6,327 BBLs | 2,501 MCF | Jul 1955 - Feb 2026 |
| Us Oil Resources LLC | Kansas | 1,772 BBLs | 0 MCF | Jun 2017 - Dec 2025 |
| Utah Gas Op LTD | Utah | 2,597 BBLs | 502,701 MCF | Feb 2018 - Jan 2026 |
| Utah Oil LLC | Kansas | 2,228 BBLs | 0 MCF | Jan 1980 - Dec 2025 |
| V C P Michigan, LLC | Michigan | 772 BBLs | 351,559 MCF | Feb 2020 - Aug 2025 |
| V-F Petroleum Inc | New Mexico | 72,497 BBLs | 272,382 MCF | Jan 1993 - Jan 2026 |
| V. Francis Weigel Family Partnership LLC | Kansas | 1,891 BBLs | 0 MCF | Jan 1980 - Dec 2025 |
| Val Energy, Inc. | Kansas | 14,644 BBLs | 18,644 MCF | Jan 1980 - Dec 2025 |
| Valkyrie Operating LLC | Wyoming | 6,876 BBLs | 2,087 MCF | Sep 2018 - Feb 2026 |
| Valkyrie Operating, LLC | North Dakota | 4,945 BBLs | 4,694 MCF | Mar 2021 - Feb 2026 |
| Vaquero Uinta, LLC | Utah | 28,576 BBLs | 153,587 MCF | Jun 2021 - Jan 2026 |
| VCP Wyoming LLC | Wyoming | 7,141 BBLs | 0 MCF | Jun 2025 - Feb 2026 |
| Veenker Resources, Inc. | Kansas | 1,588 BBLs | 3,606 MCF | Jan 1980 - Dec 2025 |
| Ventex Operating Corp. | Alabama | 1,041 BBLs | 372 MCF | Nov 1990 - Jan 2026 |
| Venture Oil & Gas Inc. | Alabama | 4,162 BBLs | 4,550 MCF | Dec 1990 - Jan 2026 |
| Venture Oil & Gas Inc. | Mississippi | 84,802 BBLs | 126,061 MCF | Nov 1976 - Jan 2026 |
| Venture Resources, Inc. | Kansas | 9,651 BBLs | 0 MCF | Jan 1980 - Dec 2025 |
| Verdad Resources LLC | Colorado | 719,316 BBLs | 3,131,982 MCF | Jan 1999 - Jan 2026 |
| Verde Oil Company | Kansas | 1,820 BBLs | 0 MCF | Jan 1980 - Dec 2025 |
| Vernon E. Faulconer, Inc. | Louisiana | 364 BBLs | 21,593 MCF | May 1983 - Dec 2024 |
| Vess Oil Corporation | Kansas | 71,435 BBLs | 11,562 MCF | Jan 1980 - Dec 2025 |
| Viking Resources, Inc | Kansas | 1,789 BBLs | 0 MCF | Jan 1980 - Dec 2025 |
| Vincent Oil Corporation | Kansas | 16,835 BBLs | 20,107 MCF | Jan 1980 - Dec 2025 |
| Vintage Drilling LLC | New Mexico | 824 BBLs | 8,431 MCF | Jan 1993 - Jan 2026 |
| Vonfeldt, Alan J | Kansas | 985 BBLs | 0 MCF | Jan 1980 - Dec 2025 |
| W B Osborn Oil And Gas Operations LTD | Michigan | 5,817 BBLs | 0 MCF | Dec 2010 - Aug 2025 |
| W&T Offshore, Inc. | Alabama | 353 BBLs | 596,677 MCF | Dec 1991 - Jan 2026 |
| W.D. Short Oil Co., LLC | Kansas | 2,147 BBLs | 0 MCF | Jan 1980 - Dec 2025 |
| Wagner Oil Company | Louisiana | 3,581 BBLs | 248 MCF | Jan 1999 - Dec 2024 |
| Walsh & Watts Inc | New Mexico | 844 BBLs | 12,446 MCF | Jan 1993 - Feb 2026 |
| Wapiti Operating LLC | Colorado | 0 BBLs | 239,731 MCF | Jun 1999 - Jan 2026 |
| Wapiti Operating, LLC | New Mexico | 0 BBLs | 910,313 MCF | Nov 2019 - Feb 2026 |