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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Kennedy Oil | Wyoming | 926 BBLs | 8,118 MCF | Apr 1984 - Jan 2025 |
| Kentex Worland LLC | Wyoming | 3,401 BBLs | 137,693 MCF | Apr 2019 - Feb 2025 |
| Kerr McGee Oil & Gas Onshore LP | Colorado | 2,426,239 BBLs | 23,855,435 MCF | Jan 1999 - Jan 2025 |
| Key Operating Company | Louisiana | 16,584 BBLs | 14,806 MCF | Jan 1995 - Jan 2025 |
| KGH Operating Company | Colorado | 851 BBLs | 35,440 MCF | Jun 2000 - Jan 2025 |
| Kinder Morgan Co2 Co LP | Colorado | 103 BBLs | 23,823,915 MCF | Apr 2000 - Feb 2025 |
| Kirby Oil Company | Louisiana | 4,097 BBLs | 0 MCF | Jan 1981 - Dec 2024 |
| Knighton Oil Company, Inc. | Kansas | 5,168 BBLs | 1,327 MCF | Jan 1980 - Dec 2024 |
| Koda Resources Operating, LLC | North Dakota | 339,519 BBLs | 240,819 MCF | Sep 2019 - Feb 2025 |
| Koehn, Radell W. And Austin Koehn & Morgan Koehn | Kansas | 1,540 BBLs | 0 MCF | Jan 2010 - Dec 2024 |
| Kraken Operating, LLC | Montana | 951,341 BBLs | 1,248,710 MCF | Sep 2013 - Jan 2025 |
| Kraken Operating, LLC | North Dakota | 665,677 BBLs | 1,406,204 MCF | Sep 2016 - Feb 2025 |
| L. D. Drilling, Inc. | Kansas | 8,872 BBLs | 0 MCF | Jan 1980 - Dec 2024 |
| La Delta Farms Oil Company LLC | Louisiana | 1,377 BBLs | 2,299 MCF | Mar 2016 - Dec 2024 |
| Lachenmayr Oil LLC | Kansas | 3,534 BBLs | 1,456 MCF | Jan 1980 - Dec 2024 |
| Lafayette Oilfield Contractors, Inc. | Louisiana | 8,311 BBLs | 0 MCF | Nov 2020 - Dec 2024 |
| Lambda Energy Resources LLC | Michigan | 46,326 BBLs | 412,374 MCF | May 2014 - Jan 2025 |
| Land And Natural Resource Development, Inc. | Alabama | 2,757 BBLs | 49,286 MCF | Jul 1977 - Jan 2025 |
| Landmark Resources, Inc. | Kansas | 11,722 BBLs | 5,197 MCF | Jan 1980 - Dec 2024 |
| Lario Oil & Gas Co | New Mexico | 6,487 BBLs | 2,723 MCF | Jan 1993 - Jan 2025 |
| Lario Oil & Gas Company | Kansas | 22,964 BBLs | 21,655 MCF | Jan 1980 - Dec 2024 |
| Layline Oil And Gas LLC | Michigan | 10,073 BBLs | 5,993 MCF | Jan 2017 - Jan 2025 |
| Laymon Oil II, LLC | Kansas | 8,325 BBLs | 0 MCF | Jan 1980 - Dec 2024 |
| LB Exploration, Inc. | Kansas | 972 BBLs | 17,871 MCF | Jan 1980 - Dec 2024 |
| Lebsack Oil Production Inc. | Kansas | 5,465 BBLs | 1,022 MCF | Jan 1980 - Dec 2024 |
| Legacy Reserves Operating LP | Montana | 1,747 BBLs | 17 MCF | Jun 2012 - Jan 2025 |
| Legacy Reserves Operating LP | North Dakota | 8,859 BBLs | 5,603 MCF | Oct 2006 - Feb 2025 |
| Lewis Operating Company | Louisiana | 1,466 BBLs | 120 MCF | Oct 1988 - Dec 2024 |
| LH Operating, LLC | New Mexico | 27,445 BBLs | 21,022 MCF | Nov 2019 - Jan 2025 |
| Liberty Resources Management Company, LLC | North Dakota | 2,263 BBLs | 1,132 MCF | Jun 2014 - Feb 2025 |
| Lime Rock Resources III-A, L.P. | North Dakota | 269,832 BBLs | 325,617 MCF | Mar 2015 - Feb 2025 |
| Lime Rock Resources V-A, LP | North Dakota | 93,498 BBLs | 654,236 MCF | Jul 2022 - Feb 2025 |
| Little Chief Energy Corporation | Kansas | 1,727 BBLs | 0 MCF | Jan 2010 - Dec 2024 |
| Lobo Operating, Inc. | Louisiana | 2,430 BBLs | 1,308 MCF | Mar 1995 - Dec 2024 |
| Lobo Production, Inc | Kansas | 0 BBLs | 22,887 MCF | Jan 1980 - Dec 2024 |
| Loeb LLC* Herman L | Colorado | 1,387 BBLs | 0 MCF | Jan 1999 - Feb 2025 |
| Logos Operating LLC | Colorado | 9 BBLs | 281,850 MCF | Jul 2017 - Jan 2025 |
| Logos Operating, LLC | New Mexico | 18,994 BBLs | 9,097,188 MCF | Jul 2012 - Jan 2025 |
| Loil Oil LLC | Wyoming | 4,228 BBLs | 9,546 MCF | Nov 2016 - Feb 2025 |
| Lonestar Oil Co | Kansas | 1,624 BBLs | 0 MCF | Jan 1980 - Dec 2024 |
| Longfellow Energy, LP | New Mexico | 177,611 BBLs | 412,965 MCF | Jul 2017 - Feb 2025 |
| Longs Peak Resources LLC | Colorado | 2,074 BBLs | 1,523 MCF | Feb 2016 - Jan 2025 |
| Longs Peak Resources LLC | Wyoming | 12,439 BBLs | 13,040 MCF | Feb 2016 - Jan 2025 |
| Longview Production Company | Arkansas | 477 BBLs | 26,753 MCF | Jan 2001 - Jan 2025 |
| Luff Exploration Company | North Dakota | 8,224 BBLs | 5,369 MCF | Dec 1996 - Feb 2025 |
| Lynx Operating Co., Inc. | New Mexico | 2,674 BBLs | 1,985 MCF | Jan 1999 - Jan 2025 |
| M & G DRLG Co Inc | New Mexico | 0 BBLs | 56,007 MCF | May 1995 - Jan 2025 |
| M & K Oil Company LLC | Wyoming | 18,587 BBLs | 81,615 MCF | Jan 1978 - Feb 2025 |
| M & M Exploration, Inc. | Kansas | 642 BBLs | 13,640 MCF | Mar 2002 - Dec 2024 |
| M & M Oil Company, L.L.C. | Louisiana | 2,996 BBLs | 0 MCF | Aug 1994 - Jan 2025 |