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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Key Operating Company | Louisiana | 29,746 BBLs | 58,989 MCF | Jan 1995 - Jan 2024 |
| KGH Operating Company | Utah | 851 BBLs | 27,976 MCF | Sep 2016 - Apr 2024 |
| Kinder Morgan Co2 Co LP | Colorado | 0 BBLs | 22,654,942 MCF | Apr 2000 - May 2024 |
| Knighton Oil Company, Inc. | Kansas | 7,228 BBLs | 1,654 MCF | Jan 1980 - Mar 2024 |
| Koda Resources Operating, LLC | North Dakota | 147,663 BBLs | 136,380 MCF | Sep 2019 - May 2024 |
| Koron Investments, Inc. | Kansas | 1,659 BBLs | 0 MCF | Jan 1980 - Mar 2024 |
| Kraken Operating, LLC | Montana | 900,686 BBLs | 1,078,961 MCF | Sep 2013 - Apr 2024 |
| Kraken Operating, LLC | North Dakota | 737,627 BBLs | 1,651,046 MCF | Sep 2016 - May 2024 |
| Kratos Operating, LLC | New Mexico | 2,026 BBLs | 3,537 MCF | Jul 2023 - Apr 2024 |
| Krier, Kirby Oil, Inc. | Kansas | 2,092 BBLs | 0 MCF | Jan 1980 - Mar 2024 |
| L. D. Drilling, Inc. | Kansas | 18,043 BBLs | 505 MCF | Jan 1980 - Mar 2024 |
| Lachenmayr Oil LLC | Kansas | 3,797 BBLs | 1,558 MCF | Jan 1980 - Mar 2024 |
| Lafayette Oilfield Contractors, Inc. | Louisiana | 5,070 BBLs | 0 MCF | Nov 2020 - Dec 2023 |
| Lambda Energy Resources LLC | Michigan | 42,391 BBLs | 386,103 MCF | Nov 2016 - Apr 2024 |
| Land And Natural Resource Development, Inc. | Alabama | 4,421 BBLs | 47,736 MCF | Jul 1977 - Feb 2024 |
| Landmark Resources, Inc. | Kansas | 16,839 BBLs | 4,739 MCF | Jan 1980 - Mar 2024 |
| Lario Oil & Gas Co | New Mexico | 20,626 BBLs | 8,918 MCF | Jan 1993 - Apr 2024 |
| Lario Oil & Gas Company | Kansas | 23,638 BBLs | 23,385 MCF | Jan 1980 - Mar 2024 |
| Lawco Holdings, LLC | Kansas | 1,935 BBLs | 0 MCF | Aug 2014 - Mar 2024 |
| Layline Oil And Gas LLC | Michigan | 8,808 BBLs | 10,150 MCF | Jan 2017 - Mar 2024 |
| Laymon Oil II, LLC | Kansas | 10,043 BBLs | 0 MCF | Jan 1980 - Mar 2024 |
| LB Exploration, Inc. | Kansas | 2,134 BBLs | 18,155 MCF | Jan 1980 - Mar 2024 |
| Lboc, LLC | Arkansas | 1,877 BBLs | 0 MCF | Jan 2001 - May 2024 |
| Lebsack Oil Production Inc. | Kansas | 6,858 BBLs | 1,435 MCF | Jan 1980 - Mar 2024 |
| Legacy Reserves Operating LP | Montana | 1,613 BBLs | 0 MCF | Jun 2012 - Apr 2024 |
| Legacy Reserves Operating LP | North Dakota | 5,690 BBLs | 4,215 MCF | Oct 2006 - May 2024 |
| Lewis Operating Company | Louisiana | 1,709 BBLs | 150 MCF | Oct 1988 - Dec 2023 |
| LH Operating, LLC | New Mexico | 27,896 BBLs | 24,061 MCF | Nov 2019 - Apr 2024 |
| Liberty Resources Management Company, LLC | North Dakota | 274,252 BBLs | 701,422 MCF | Jun 2014 - May 2024 |
| Lime Rock Resources III-A, L.P. | North Dakota | 391,166 BBLs | 413,004 MCF | Mar 2015 - May 2024 |
| Lime Rock Resources V-A, LP | North Dakota | 116,359 BBLs | 887,219 MCF | Jul 2022 - May 2024 |
| Little Chief Energy Corporation | Kansas | 2,116 BBLs | 0 MCF | Jan 2010 - Mar 2024 |
| Loewen Operator, Inc. | Kansas | 1,508 BBLs | 0 MCF | Jan 1980 - Mar 2024 |
| Logos Operating LLC | Colorado | 0 BBLs | 267,723 MCF | Jul 2017 - Apr 2024 |
| Logos Operating, LLC | New Mexico | 18,757 BBLs | 5,450,208 MCF | Jul 2012 - Apr 2024 |
| Loil Oil LLC | Wyoming | 5,880 BBLs | 12,741 MCF | Nov 2016 - May 2024 |
| Lonestar Oil Co | Kansas | 2,148 BBLs | 0 MCF | Jan 1980 - Mar 2024 |
| Longfellow Energy, LP | New Mexico | 142,746 BBLs | 310,249 MCF | Jul 2017 - May 2024 |
| Longs Peak Resources LLC | Colorado | 2,202 BBLs | 1,310 MCF | Feb 2016 - Apr 2024 |
| Longs Peak Resources LLC | Wyoming | 17,582 BBLs | 23,556 MCF | Feb 2016 - Apr 2024 |
| Louisiana Jordan Oil Company, Inc. | Louisiana | 1,248 BBLs | 8,826 MCF | Jan 2013 - Dec 2023 |
| Luff Exploration Company | North Dakota | 10,267 BBLs | 9,141 MCF | Dec 1996 - May 2024 |
| Lynx Operating Co., Inc. | New Mexico | 2,501 BBLs | 3,041 MCF | Jan 1999 - May 2024 |
| M & G DRLG Co Inc | New Mexico | 15 BBLs | 61,711 MCF | May 1995 - May 2024 |
| M & K Oil Company LLC | Wyoming | 24,342 BBLs | 94,297 MCF | Jan 1978 - May 2024 |
| M & M Exploration, Inc. | Kansas | 2,070 BBLs | 20,501 MCF | Mar 2002 - Mar 2024 |
| M & M Oil Company, L.L.C. | Louisiana | 3,176 BBLs | 0 MCF | Aug 1994 - Dec 2023 |
| M G Oil Inc | Kansas | 6,754 BBLs | 0 MCF | Jan 1980 - Mar 2024 |
| Mack Energy Corp | New Mexico | 155,611 BBLs | 401,807 MCF | Jan 1993 - May 2024 |
| Magna Operating, LLC | Louisiana | 6,084 BBLs | 3,930 MCF | Sep 2010 - Jan 2024 |