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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Triple Crown Operating LLC | Kansas | 2,932 BBLs | 0 MCF | Feb 2015 - Dec 2023 |
| True Oil LLC | Colorado | 7,007 BBLs | 14,291 MCF | Jan 1999 - Feb 2024 |
| True Oil LLC | Montana | 39,930 BBLs | 29,029 MCF | Jan 1986 - Feb 2024 |
| True Oil LLC | North Dakota | 22,397 BBLs | 37,563 MCF | Jul 2002 - Feb 2024 |
| True Oil LLC | Wyoming | 82,672 BBLs | 90,163 MCF | Jan 1978 - Feb 2024 |
| U.D. Man, Inc. | Louisiana | 1,939 BBLs | 24,190 MCF | Aug 2021 - Dec 2023 |
| Uinta Wax Operating, LLC | Utah | 756,387 BBLs | 834,259 MCF | Sep 2021 - Feb 2024 |
| Ultra Resources Inc | Wyoming | 113,876 BBLs | 18,337,986 MCF | Sep 1997 - Feb 2024 |
| Union Gas Operating Company | Louisiana | 1,305 BBLs | 12,115 MCF | Sep 2007 - Dec 2023 |
| Union Valley Petroleum Corporation | Kansas | 3,099 BBLs | 6,476 MCF | Jan 1995 - Dec 2023 |
| United World Energy Corporation | Louisiana | 4,789 BBLs | 0 MCF | Jul 1993 - Jan 2024 |
| Unitex Oil & Gas, L.L.C. | New Mexico | 3,156 BBLs | 1,527 MCF | Oct 2018 - Feb 2024 |
| Upland Exploration LLC | Colorado | 5,236 BBLs | 8,156 MCF | Sep 2019 - Feb 2024 |
| Urban Oil & Gas Group LLC | Wyoming | 2,106 BBLs | 1,062,758 MCF | Jan 2012 - Feb 2024 |
| Urban Oil & Gas Group, LLC | Arkansas | 4,855 BBLs | 0 MCF | Jul 2010 - Jan 2024 |
| Urban Oil & Gas Group, LLC | Utah | 0 BBLs | 1,829,357 MCF | Jul 2019 - Feb 2024 |
| Urban Oil And Gas Group LLC | Kansas | 2,289 BBLs | 9,748 MCF | Jan 1980 - Dec 2023 |
| Us Oil & Gas Inc | Utah | 6,610 BBLs | 2,440 MCF | Jul 1955 - Feb 2024 |
| Us Oil Resources LLC | Kansas | 1,614 BBLs | 0 MCF | Jun 2017 - Dec 2023 |
| Utah Gas Op LTD | Utah | 4,789 BBLs | 564,301 MCF | Feb 2018 - Feb 2024 |
| Utah Oil LLC | Kansas | 1,385 BBLs | 0 MCF | Jan 1980 - Dec 2023 |
| V C P Michigan, LLC | Michigan | 314 BBLs | 361,289 MCF | Feb 2020 - Feb 2024 |
| V-F Petroleum Inc | New Mexico | 226,290 BBLs | 453,996 MCF | Jan 1993 - Feb 2024 |
| V. Francis Weigel Family Partnership LLC | Kansas | 2,234 BBLs | 0 MCF | Jan 1980 - Dec 2023 |
| Val Energy, Inc. | Kansas | 13,931 BBLs | 29,028 MCF | Jan 1980 - Dec 2023 |
| Valkyrie Operating LLC | Wyoming | 11,176 BBLs | 1,355 MCF | Sep 2018 - Mar 2024 |
| Valkyrie Operating, LLC | North Dakota | 6,316 BBLs | 10,482 MCF | Mar 2021 - Feb 2024 |
| Van Buren Energy Production, LLC | Arkansas | 0 BBLs | 3,034,100 MCF | Jan 2023 - Feb 2024 |
| Vaquero Big Horn LLC | Wyoming | 26,759 BBLs | 0 MCF | May 2018 - Feb 2024 |
| Vaquero Uinta, LLC | Utah | 30,380 BBLs | 110,075 MCF | Jun 2021 - Feb 2024 |
| Veenker Resources, Inc. | Kansas | 2,430 BBLs | 4,673 MCF | Jan 1980 - Dec 2023 |
| Ventex Operating Corp. | Alabama | 1,644 BBLs | 0 MCF | Nov 1990 - Dec 2023 |
| Venture Oil & Gas Inc. | Alabama | 4,431 BBLs | 5,234 MCF | Dec 1990 - Dec 2023 |
| Venture Oil & Gas, Inc. | Mississippi | 100,856 BBLs | 111,057 MCF | Nov 1976 - Jan 2024 |
| Venture Resources, Inc. | Kansas | 12,132 BBLs | 0 MCF | Jan 1980 - Dec 2023 |
| Verdad Resources LLC | Colorado | 978,913 BBLs | 2,393,134 MCF | Oct 2016 - Feb 2024 |
| Verde Oil Company | Kansas | 1,530 BBLs | 0 MCF | Jan 1980 - Dec 2023 |
| Vermilion Energy USA LLC | Wyoming | 70,739 BBLs | 323,578 MCF | Oct 2014 - Feb 2024 |
| Vernon E. Faulconer, Inc. | Louisiana | 761 BBLs | 37,725 MCF | May 1983 - Dec 2023 |
| Vess Oil Corporation | Kansas | 79,708 BBLs | 16,137 MCF | Jan 1980 - Dec 2023 |
| Viking Resources, Inc | Kansas | 2,706 BBLs | 0 MCF | Jan 1980 - Dec 2023 |
| Vincent Oil Corporation | Kansas | 22,083 BBLs | 36,010 MCF | Jan 1980 - Dec 2023 |
| Vintage Drilling LLC | New Mexico | 1,324 BBLs | 12,579 MCF | Jan 1993 - Feb 2024 |
| W B Osborn Oil And Gas Operations LTD | Michigan | 11,798 BBLs | 0 MCF | Dec 2010 - Feb 2024 |
| W W Energy Corp | Michigan | 1,309 BBLs | 2,503 MCF | Jan 1982 - Jan 2024 |
| W&T Offshore, Inc. | Alabama | 168 BBLs | 729,154 MCF | Dec 1991 - Dec 2023 |
| W.D. Short Oil Co., LLC | Kansas | 3,568 BBLs | 0 MCF | Jan 1980 - Dec 2023 |
| Wagner Oil Company | Louisiana | 9,132 BBLs | 12,743 MCF | Jan 1999 - Dec 2023 |
| Wapiti Operating, LLC | Utah | 5,320 BBLs | 919,840 MCF | Jul 2013 - Feb 2024 |
| Warhorse Petroleum Inc | Kansas | 3,718 BBLs | 0 MCF | Jan 2010 - Dec 2023 |