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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| True Oil LLC | Montana | 10,289 BBLs | 11,103 MCF | Jan 1986 - Oct 2025 |
| True Oil LLC | North Dakota | 44,271 BBLs | 67,278 MCF | Jul 2002 - Nov 2025 |
| True Oil LLC | Wyoming | 54,984 BBLs | 71,424 MCF | Jan 1978 - Oct 2025 |
| Tuscola Energy Inc | Michigan | 2,599 BBLs | 0 MCF | Apr 2002 - Oct 2025 |
| U.D. Man, Inc. | Louisiana | 1,721 BBLs | 0 MCF | Aug 2021 - Dec 2024 |
| Uinta Wax Operating, LLC | Utah | 689,013 BBLs | 762,272 MCF | Sep 2021 - Oct 2025 |
| Uintah Investors LLC | Utah | 0 BBLs | 24,859 MCF | Sep 2010 - Nov 2025 |
| Union Gas Operating Company | Louisiana | 531 BBLs | 25,562 MCF | Sep 2007 - Dec 2024 |
| Union Valley Petroleum Corporation | Kansas | 2,971 BBLs | 7,568 MCF | Jan 1995 - Jun 2025 |
| United World Energy Corporation | Louisiana | 5,507 BBLs | 2,283 MCF | Jul 1993 - Dec 2024 |
| Unitex Oil & Gas, L.L.C. | New Mexico | 3,020 BBLs | 485 MCF | Oct 2018 - Nov 2025 |
| Urban Oil & Gas Group LLC | Wyoming | 11,545 BBLs | 2,075,065 MCF | Jan 2012 - Oct 2025 |
| Urban Oil & Gas Group, LLC | Utah | 0 BBLs | 2,087,425 MCF | Jul 2019 - Oct 2025 |
| Us Oil & Gas Inc | Utah | 6,764 BBLs | 1,916 MCF | Jul 1955 - Nov 2025 |
| Us Oil Resources LLC | Kansas | 1,443 BBLs | 0 MCF | Jun 2017 - Jun 2025 |
| Utah Gas Op LTD | Utah | 2,819 BBLs | 523,922 MCF | Feb 2018 - Oct 2025 |
| Utah Oil LLC | Kansas | 2,231 BBLs | 0 MCF | Jan 1980 - Jun 2025 |
| V C P Michigan, LLC | Michigan | 702 BBLs | 331,518 MCF | Feb 2020 - Oct 2025 |
| V-F Petroleum Inc | New Mexico | 136,305 BBLs | 327,308 MCF | Jan 1993 - Oct 2025 |
| V. Francis Weigel Family Partnership LLC | Kansas | 1,745 BBLs | 0 MCF | Jan 1980 - Jun 2025 |
| Val Energy, Inc. | Kansas | 15,154 BBLs | 20,827 MCF | Jan 1980 - Jun 2025 |
| Valkyrie Operating LLC | Wyoming | 6,837 BBLs | 1,934 MCF | Sep 2018 - Nov 2025 |
| Valkyrie Operating, LLC | North Dakota | 5,321 BBLs | 5,232 MCF | Mar 2021 - Nov 2025 |
| Vaquero Big Horn LLC | Wyoming | 26,165 BBLs | 0 MCF | May 2018 - Oct 2025 |
| Vaquero Uinta, LLC | Utah | 29,926 BBLs | 155,056 MCF | Jun 2021 - Oct 2025 |
| VCP Wyoming LLC | Wyoming | 7,260 BBLs | 0 MCF | Jun 2025 - Oct 2025 |
| Veenker Resources, Inc. | Kansas | 2,102 BBLs | 4,203 MCF | Jan 1980 - Jun 2025 |
| Venture Oil & Gas Inc. | Alabama | 3,557 BBLs | 4,490 MCF | Dec 1990 - Oct 2025 |
| Venture Oil & Gas, Inc. | Mississippi | 149,292 BBLs | 679,485 MCF | Nov 1976 - Nov 2025 |
| Venture Resources, Inc. | Kansas | 10,574 BBLs | 0 MCF | Jan 1980 - Jun 2025 |
| Verdad Resources LLC | Colorado | 872,271 BBLs | 3,425,184 MCF | Jan 1999 - Oct 2025 |
| Verde Oil Company | Kansas | 1,988 BBLs | 0 MCF | Jan 1980 - Jun 2025 |
| Vernon E. Faulconer, Inc. | Louisiana | 364 BBLs | 21,593 MCF | May 1983 - Dec 2024 |
| Vess Oil Corporation | Kansas | 79,223 BBLs | 15,678 MCF | Jan 1980 - Jun 2025 |
| Viking Resources, Inc | Kansas | 2,419 BBLs | 0 MCF | Jan 1980 - Jun 2025 |
| Vincent Oil Corporation | Kansas | 19,190 BBLs | 24,970 MCF | Jan 1980 - Jun 2025 |
| Vintage Drilling LLC | New Mexico | 1,069 BBLs | 9,697 MCF | Jan 1993 - Oct 2025 |
| Vision Energy LLC | Colorado | 47 BBLs | 22,546 MCF | Jan 1999 - Oct 2025 |
| W B Osborn Oil And Gas Operations LTD | Michigan | 4,897 BBLs | 0 MCF | Dec 2010 - Nov 2025 |
| W W Energy Corp | Michigan | 1,183 BBLs | 3,303 MCF | Jan 1982 - Oct 2025 |
| W&T Offshore, Inc. | Alabama | 66 BBLs | 619,998 MCF | Dec 1991 - Oct 2025 |
| W.D. Short Oil Co., LLC | Kansas | 2,925 BBLs | 0 MCF | Jan 1980 - Jun 2025 |
| Wagner Oil Company | Louisiana | 3,581 BBLs | 248 MCF | Jan 1999 - Dec 2024 |
| Walsh & Watts Inc | New Mexico | 478 BBLs | 12,767 MCF | Jan 1993 - Nov 2025 |
| Walter Oil & Gas Corporation | Louisiana | 251 BBLs | 16,393 MCF | Jan 1986 - Dec 2024 |
| Wapiti Operating LLC | Colorado | 0 BBLs | 232,422 MCF | Jun 1999 - Oct 2025 |
| Wapiti Operating LLC | Wyoming | 31 BBLs | 24,542 MCF | Apr 2018 - Oct 2025 |
| Wapiti Operating, LLC | New Mexico | 0 BBLs | 1,002,398 MCF | Nov 2019 - Oct 2025 |
| Wapiti Operating, LLC | Utah | 6,284 BBLs | 944,454 MCF | Jul 2013 - Oct 2025 |
| Warhorse Petroleum Inc | Kansas | 3,529 BBLs | 0 MCF | Jan 2010 - Jun 2025 |