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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Goodale Enterprises LLC | Michigan | 5,549 BBLs | 0 MCF | Jan 1985 - Oct 2024 |
| Gore Oil Company | Kansas | 17,371 BBLs | 1,698 MCF | Jan 1980 - Sep 2024 |
| Grady Bolding Corporation | Kansas | 2,875 BBLs | 0 MCF | Jan 1980 - Sep 2024 |
| Grand Mesa Operating Co | Colorado | 3,512 BBLs | 124 MCF | Jan 1999 - Oct 2024 |
| Grand Mesa Operating Company | Kansas | 13,688 BBLs | 27,791 MCF | Jan 1980 - Sep 2024 |
| Granite Creek Energy LLC | Wyoming | 26,454 BBLs | 168 MCF | May 2023 - Nov 2024 |
| Grayson Mill Operating, LLC | North Dakota | 2,153,634 BBLs | 10,218,274 MCF | Nov 2021 - Oct 2024 |
| Great American Royalties, Inc. | North Dakota | 1,644 BBLs | 0 MCF | Dec 1979 - Nov 2024 |
| Great Plains Energy, Inc. | Kansas | 2,513 BBLs | 0 MCF | Jan 1980 - Sep 2024 |
| Green Reserve Energy Holdings LLC | Wyoming | 9,013 BBLs | 1,353 MCF | Dec 2020 - Nov 2024 |
| Green Valley Operating, LLC | Montana | 1,982 BBLs | 1,177 MCF | Jun 2022 - Oct 2024 |
| Greenwood Resources L.L.C. | Kansas | 1,456 BBLs | 0 MCF | Jan 1980 - Sep 2024 |
| Greylock Production LLC | Wyoming | 12,283 BBLs | 874,832 MCF | Feb 2022 - Oct 2024 |
| Greylock Production, LLC | Utah | 17,373 BBLs | 1,201,170 MCF | Apr 2022 - Oct 2024 |
| Griffin & Griffin Expl, LLC | Louisiana | 2,318 BBLs | 0 MCF | Feb 2007 - Jul 2024 |
| Griffin, Charles N. | Kansas | 37,343 BBLs | 7,372 MCF | Jun 1980 - Sep 2024 |
| Gunnison Energy LLC | Colorado | 0 BBLs | 88,220 MCF | Jul 2014 - Oct 2024 |
| H & B Petroleum Corp. | Kansas | 7,707 BBLs | 2,772 MCF | Jan 1980 - Sep 2024 |
| H & C Oil Operating Inc. | Kansas | 5,294 BBLs | 0 MCF | Jan 1980 - Sep 2024 |
| H & D Exploration LLC | Kansas | 1,867 BBLs | 0 MCF | May 1983 - Sep 2024 |
| H L Brown Operating, LLC | New Mexico | 6,407 BBLs | 16,712 MCF | Jun 2001 - Oct 2024 |
| H R F Exploration And Production LLC | Michigan | 0 BBLs | 138,339 MCF | Jan 2006 - Oct 2024 |
| Hadley/Jackson Energy LLC | Wyoming | 1,849 BBLs | 0 MCF | Nov 2019 - Oct 2024 |
| Hale Oil Co. | Louisiana | 1,693 BBLs | 0 MCF | Apr 1985 - Jul 2024 |
| Hanna Oil And Gas Company | Arkansas | 0 BBLs | 359,107 MCF | Jan 2001 - Jun 2024 |
| Hanson Operating Co Inc | New Mexico | 1,568 BBLs | 8,280 MCF | Jan 1993 - Oct 2024 |
| Hartman Oil Co., Inc. | Kansas | 18,281 BBLs | 11,427 MCF | Jan 1980 - Sep 2024 |
| Harvard Petroleum Company, LLC | New Mexico | 54,265 BBLs | 233,992 MCF | Jan 1993 - Oct 2024 |
| Hawkins Oil, LLC | Kansas | 1,487 BBLs | 0 MCF | Jan 1980 - Sep 2024 |
| Hayes Oil & Gas LLC | Kansas | 1,090 BBLs | 12,060 MCF | Jan 1980 - Sep 2024 |
| Herman L. Loeb, LLC | Kansas | 27,053 BBLs | 127,412 MCF | Jan 1980 - Sep 2024 |
| Hertel Oil Company LLC | Kansas | 1,979 BBLs | 0 MCF | Jan 1980 - Sep 2024 |
| Hess Bakken Investments II, LLC | North Dakota | 2,915,270 BBLs | 12,454,432 MCF | Jan 2014 - Oct 2024 |
| Hess Oil Company | Kansas | 6,108 BBLs | 0 MCF | Jan 1980 - Sep 2024 |
| HG Oil Holdings, LLC | Kansas | 18,726 BBLs | 780 MCF | Jan 2020 - Sep 2024 |
| High River Resources Operating LLC | Colorado | 0 BBLs | 75,609 MCF | Aug 2019 - Oct 2024 |
| High River Resources Operating, LLC | New Mexico | 5,360 BBLs | 438,164 MCF | Nov 2023 - Oct 2024 |
| Highmark Energy Operating, LLC | Louisiana | 396 BBLs | 87,444 MCF | Jun 2014 - Jun 2024 |
| Hilcorp Alaska, LLC | Alaska | 2,614,660 BBLs | 37,901,690 MCF | May 2006 - Nov 2024 |
| Hilcorp Energy Company | New Mexico | 33,480 BBLs | 23,150,677 MCF | Aug 2017 - Oct 2024 |
| Hilcorp Energy Company | Wyoming | 20,300 BBLs | 3,388,646 MCF | Jun 1997 - Oct 2024 |
| Hilcorp Energy Company, Inc. | Alabama | 22,165 BBLs | 169,757 MCF | Oct 1976 - Jul 2024 |
| Hilcorp North Slope, LLC | Alaska | 6,372,977 BBLs | 253,607,516 MCF | Jan 2019 - Nov 2024 |
| Hillenburg Oil Co., A General Partnership | Kansas | 2,569 BBLs | 0 MCF | Jan 1980 - Sep 2024 |
| Howell Oil Company, Inc. | Kansas | 2,106 BBLs | 0 MCF | Jul 1985 - Sep 2024 |
| Hudson Oil Company Of Texas | New Mexico | 2,263 BBLs | 4,842 MCF | Jan 1993 - Oct 2024 |
| Hughes Drilling Co, A General Partnership | Kansas | 1,462 BBLs | 0 MCF | Aug 1980 - Sep 2024 |
| Hughes Eastern Corporation | Alabama | 2,512 BBLs | 8,239 MCF | Sep 1977 - Jul 2024 |
| Hughes Eastern Corporation | Louisiana | 1,542 BBLs | 712 MCF | May 1986 - Jun 2024 |
| Hunt Oil Company | North Dakota | 303,478 BBLs | 286,415 MCF | Aug 1956 - Oct 2024 |