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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Kerr-McGee Oil & Gas Onshore LP | Wyoming | 2,200 BBLs | 7,712 MCF | Mar 1994 - Jan 2026 |
| Key Operating Company | Louisiana | 16,584 BBLs | 14,806 MCF | Jan 1995 - Jan 2025 |
| KFG Petroleum Corporation | Mississippi | 1,161 BBLs | 0 MCF | Dec 1976 - Jan 2026 |
| KGH Operating Company | Utah | 804 BBLs | 17,901 MCF | Sep 2016 - Feb 2026 |
| Kinder Morgan Co2 Co LP | Colorado | 164 BBLs | 24,362,831 MCF | Jan 1999 - Jan 2026 |
| Kirby Oil Company | Louisiana | 4,097 BBLs | 0 MCF | Jan 1981 - Dec 2024 |
| Knighton Oil Company, Inc. | Kansas | 5,845 BBLs | 1,310 MCF | Jan 1980 - Dec 2025 |
| Koda GNB, LLC | Utah | 28,770 BBLs | 4,719,480 MCF | Nov 2025 - Feb 2026 |
| Koda Resources Operating, LLC | North Dakota | 279,740 BBLs | 378,049 MCF | Sep 2019 - Feb 2026 |
| Koda Uinta, LLC | Utah | 109,789 BBLs | 7,649,171 MCF | Nov 2025 - Feb 2026 |
| Koehn, Radell W. And Austin Koehn & Morgan Koehn | Kansas | 1,078 BBLs | 0 MCF | Jan 2010 - Dec 2025 |
| Koron Investments, Inc. | Kansas | 1,468 BBLs | 0 MCF | Jan 1980 - Dec 2025 |
| Kraft Oil Company LLC | Kansas | 1,108 BBLs | 0 MCF | Jan 1980 - Dec 2025 |
| Kraken Operating, LLC | Montana | 629,003 BBLs | 1,102,443 MCF | Sep 2013 - Feb 2026 |
| Kraken Operating, LLC | North Dakota | 976,660 BBLs | 2,254,438 MCF | Sep 2016 - Feb 2026 |
| Krier, Kirby Oil, Inc. | Kansas | 2,287 BBLs | 0 MCF | Jan 1980 - Dec 2025 |
| La Delta Farms Oil Company LLC | Louisiana | 1,377 BBLs | 2,299 MCF | Mar 2016 - Dec 2024 |
| Lachenmayr Oil LLC | Kansas | 3,550 BBLs | 934 MCF | Jan 1980 - Dec 2025 |
| Lafayette Oilfield Contractors, Inc. | Louisiana | 8,311 BBLs | 0 MCF | Nov 2020 - Dec 2024 |
| Lambda Energy Resources LLC | Michigan | 34,565 BBLs | 341,247 MCF | May 2014 - Mar 2026 |
| Land And Natural Resource Development, Inc. | Alabama | 1,552 BBLs | 36,748 MCF | Jul 1977 - Jan 2026 |
| Landmark Resources, Inc. | Kansas | 11,085 BBLs | 4,079 MCF | Jan 1980 - Dec 2025 |
| Lario Oil & Gas Company | Kansas | 20,238 BBLs | 21,906 MCF | Jan 1980 - Dec 2025 |
| Lawco Holdings, LLC | Kansas | 1,490 BBLs | 0 MCF | Aug 2014 - Dec 2025 |
| Laymon Oil II, LLC | Kansas | 6,100 BBLs | 0 MCF | Jan 1980 - Dec 2025 |
| Lease Management Inc | Michigan | 4,704 BBLs | 0 MCF | Jan 1982 - Mar 2026 |
| Lebsack Oil Production Inc. | Kansas | 4,489 BBLs | 991 MCF | Jan 1980 - Dec 2025 |
| Lewis Operating Company | Louisiana | 1,466 BBLs | 120 MCF | Oct 1988 - Dec 2024 |
| LH Operating, LLC | New Mexico | 24,997 BBLs | 14,909 MCF | Nov 2019 - Feb 2026 |
| Liberty Resources Management Company, LLC | North Dakota | 2,424 BBLs | 1,212 MCF | Jun 2014 - Mar 2026 |
| Lime Rock Resources III-A, L.P. | North Dakota | 226,075 BBLs | 311,060 MCF | Mar 2015 - Feb 2026 |
| Lime Rock Resources V-A, L.P. | North Dakota | 42,753 BBLs | 480,487 MCF | Jul 2022 - Feb 2026 |
| Little Chief Energy Corporation | Kansas | 1,575 BBLs | 0 MCF | Jan 2010 - Dec 2025 |
| Lobo Operating, Inc. | Louisiana | 2,430 BBLs | 1,308 MCF | Mar 1995 - Dec 2024 |
| Loeb LLC* Herman L | Colorado | 1,230 BBLs | 0 MCF | Jan 1999 - Feb 2026 |
| Logos Operating LLC | Colorado | 1 BBLs | 594,151 MCF | Jan 1999 - Jan 2026 |
| Logos Operating, LLC | New Mexico | 16,011 BBLs | 10,931,895 MCF | Jul 2012 - Feb 2026 |
| Loil Oil LLC | Wyoming | 3,306 BBLs | 7,903 MCF | Nov 2016 - Feb 2026 |
| Lone Wolf Oil & Gas Co., LLC | Kansas | 1,431 BBLs | 0 MCF | Jan 2010 - Dec 2025 |
| Lonestar Oil Co | Kansas | 1,149 BBLs | 0 MCF | Jan 1980 - Dec 2025 |
| Longfellow Energy, LP | New Mexico | 159,371 BBLs | 573,328 MCF | Jul 2017 - Feb 2026 |
| Longs Peak Resources LLC | Wyoming | 21,887 BBLs | 18,618 MCF | Feb 2016 - Feb 2026 |
| Louisiana Jordan Oil Company, Inc. | Louisiana | 1,207 BBLs | 0 MCF | Jan 2013 - Dec 2024 |
| Luff Exploration Company | North Dakota | 9,037 BBLs | 6,864 MCF | Dec 1996 - Feb 2026 |
| Lynx Operating Co., Inc. | New Mexico | 1,956 BBLs | 2,178 MCF | Jan 1999 - Mar 2026 |
| M & G DRLG Co Inc | New Mexico | 149 BBLs | 62,551 MCF | May 1995 - Feb 2026 |
| M & K Oil Company LLC | Wyoming | 23,074 BBLs | 76,092 MCF | Jan 1978 - Feb 2026 |
| M & M Exploration, Inc. | Kansas | 1,095 BBLs | 17,671 MCF | Mar 2002 - Dec 2025 |
| M & M Oil Company, L.L.C. | Louisiana | 2,996 BBLs | 0 MCF | Aug 1994 - Jan 2025 |
| M E Klein & Associates, Inc | Kansas | 944 BBLs | 5,243 MCF | Jan 1980 - Dec 2025 |