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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| KFG Petroleum Corporation | Mississippi | 2,978 BBLs | 0 MCF | Dec 1976 - Feb 2021 |
| KGH Operating Company | Colorado | 940 BBLs | 48,526 MCF | Jun 2000 - Jun 2021 |
| Kinder Morgan Co2 Co LP | Colorado | 393 BBLs | 22,632,235 MCF | Apr 2000 - Jul 2021 |
| Kirby Oil Company | Louisiana | 4,102 BBLs | 0 MCF | Jan 1981 - Oct 2018 |
| Knighton Oil Company, Inc. | Kansas | 8,188 BBLs | 1,558 MCF | Jan 1980 - Dec 2019 |
| Koda Resources Operating, LLC | North Dakota | 8,871 BBLs | 14,565 MCF | Sep 2019 - Jul 2021 |
| Koron Investments, Inc. | Kansas | 2,492 BBLs | 0 MCF | Jan 1980 - Dec 2019 |
| Kraken Development III, LLC | North Dakota | 153,150 BBLs | 298,481 MCF | Oct 2018 - Jul 2021 |
| Kraken Operating, LLC | Montana | 266,581 BBLs | 334,569 MCF | Sep 2013 - May 2021 |
| Kraken Operating, LLC | North Dakota | 367,908 BBLs | 1,104,281 MCF | Sep 2016 - Jul 2021 |
| L. D. Drilling, Inc. | Kansas | 21,839 BBLs | 0 MCF | Jan 1980 - Dec 2019 |
| Lachenmayr Oil LLC | Kansas | 3,199 BBLs | 0 MCF | Jan 1980 - Dec 2019 |
| Lambda Energy Resources LLC | Michigan | 47,807 BBLs | 462,578 MCF | Sep 2018 - Mar 2021 |
| Land And Natural Resource Development, Inc. | Alabama | 5,714 BBLs | 77,338 MCF | Jul 1977 - Jun 2021 |
| Landmark Resources, Inc. | Kansas | 10,243 BBLs | 6,127 MCF | Jan 1980 - Dec 2019 |
| Lario Oil & Gas Company | Kansas | 33,745 BBLs | 49,598 MCF | Jan 1980 - Dec 2019 |
| Lavaca River Operating Company, LLC | Louisiana | 11,785 BBLs | 6,312 MCF | Aug 2014 - Aug 2018 |
| Lawco Holdings, LLC | Kansas | 4,081 BBLs | 0 MCF | Aug 2014 - Dec 2019 |
| Layline Oil And Gas LLC | Michigan | 9,145 BBLs | 11,421 MCF | May 2018 - Apr 2021 |
| Laymon Oil II, LLC | Kansas | 11,770 BBLs | 0 MCF | Jan 1980 - Dec 2019 |
| LB Exploration, Inc. | Kansas | 2,949 BBLs | 16,125 MCF | Jan 1980 - Dec 2019 |
| Lease Management Inc | Michigan | 6,022 BBLs | 0 MCF | Jan 1982 - Mar 2021 |
| Lebsack Oil Production Inc. | Kansas | 5,575 BBLs | 2,714 MCF | Jan 1980 - Dec 2019 |
| Legacy Reserves Operating LP | Montana | 17,623 BBLs | 9,429 MCF | Jun 2012 - Jun 2021 |
| Legacy Reserves Operating LP | North Dakota | 9,836 BBLs | 5,606 MCF | Oct 2006 - Jul 2021 |
| Legacy Reserves Operating LP | Wyoming | 24,816 BBLs | 580 MCF | Jan 1998 - Jul 2021 |
| Legacy Reserves Operating, LP | New Mexico | 135,706 BBLs | 431,616 MCF | May 2006 - Jun 2021 |
| Legacy Resources Co., L.P. | Louisiana | 756 BBLs | 57,844 MCF | Dec 1993 - Sep 2018 |
| LH Operating, LLC | New Mexico | 29,925 BBLs | 27,922 MCF | Nov 2019 - Jun 2021 |
| Liberty Pioneer Energy Source, Inc | Utah | 0 BBLs | 54,710 MCF | Mar 2012 - Jun 2021 |
| Liberty Resources Management Company, LLC | North Dakota | 102,042 BBLs | 336,394 MCF | Jun 2014 - Jul 2021 |
| Lime Rock Resources III-A, L.P. | Arkansas | 0 BBLs | 675,493 MCF | Jan 2001 - Jun 2021 |
| Lime Rock Resources III-A, L.P. | North Dakota | 332,326 BBLs | 365,607 MCF | Mar 2015 - Jul 2021 |
| Linde Inc | Colorado | 0 BBLs | 115,654 MCF | Jan 1999 - May 2021 |
| Linn Operating, Inc. | Louisiana | 5,529 BBLs | 255,566 MCF | Feb 2008 - Sep 2018 |
| Little Chief Energy Corporation | Kansas | 2,869 BBLs | 0 MCF | Jan 2010 - Dec 2019 |
| Lko Operating LLC | Louisiana | 380 BBLs | 38,403 MCF | Aug 2014 - Sep 2018 |
| Lobo Operating, Inc. | Louisiana | 26,364 BBLs | 33,848 MCF | Mar 1995 - Aug 2018 |
| Loeb LLC* Herman L | Colorado | 2,367 BBLs | 13,113 MCF | Jan 1999 - Jul 2021 |
| Logos Operating, LLC | New Mexico | 32,187 BBLs | 2,533,748 MCF | Jul 2012 - Jun 2021 |
| Loil Oil LLC | Wyoming | 2,959 BBLs | 870 MCF | Nov 2016 - Jul 2021 |
| Longfellow Energy, LP | New Mexico | 2,403 BBLs | 24,443 MCF | Jul 2017 - Jun 2021 |
| Longs Peak Resources LLC | Wyoming | 3,816 BBLs | 1,893 MCF | Feb 2016 - Jul 2021 |
| Lotus Operating Company, L.L.C. | Kansas | 7,345 BBLs | 79,901 MCF | Jan 1980 - Dec 2019 |
| Louisiana Delta Oil Co, LLC | Louisiana | 3,401 BBLs | 9,605 MCF | Jul 2007 - Oct 2018 |
| Louisiana Jordan Oil Company, Inc. | Louisiana | 3,560 BBLs | 79,835 MCF | Jan 2013 - Sep 2018 |
| Luff Exploration Company | North Dakota | 11,987 BBLs | 10,276 MCF | Dec 1996 - Jul 2021 |
| Lynx Operating Co., Inc. | New Mexico | 2,219 BBLs | 2,026 MCF | Jan 1999 - Jul 2021 |
| M & G DRLG Co Inc | New Mexico | 58 BBLs | 80,153 MCF | May 1995 - Jun 2021 |
| M & K Oil Company LLC | Wyoming | 21,829 BBLs | 83,557 MCF | Jan 1978 - Jul 2021 |