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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| KFG Petroleum Corporation | Mississippi | 3,410 BBLs | 0 MCF | Dec 1976 - Apr 2020 |
| KGH Operating Company | Colorado | 1,596 BBLs | 59,909 MCF | Jun 2000 - Apr 2020 |
| Kinder Morgan Co2 Co LP | Colorado | 451 BBLs | 32,588,827 MCF | Apr 2000 - May 2020 |
| Kirby Oil Company | Louisiana | 4,102 BBLs | 0 MCF | Jan 1981 - Oct 2018 |
| Knighton Oil Company, Inc. | Kansas | 7,017 BBLs | 1,680 MCF | Jan 1980 - Feb 2020 |
| Koda Resources Operating, LLC | North Dakota | 21,662 BBLs | 28,888 MCF | Sep 2019 - May 2020 |
| Kraken Development III, LLC | North Dakota | 339,842 BBLs | 410,100 MCF | Oct 2018 - May 2020 |
| Kraken Operating, LLC | Montana | 451,127 BBLs | 509,132 MCF | Sep 2013 - Mar 2020 |
| Kraken Operating, LLC | North Dakota | 741,207 BBLs | 1,476,334 MCF | Sep 2016 - May 2020 |
| L. D. Drilling, Inc. | Kansas | 19,370 BBLs | 0 MCF | Jan 1980 - Feb 2020 |
| La Veta Oil & Gas, LLC | Kansas | 2,926 BBLs | 0 MCF | Jan 1980 - Feb 2020 |
| Lachenmayr Oil LLC | Kansas | 3,735 BBLs | 0 MCF | Jan 1980 - Feb 2020 |
| Lambda Energy Resources LLC | Michigan | 68,928 BBLs | 512,319 MCF | Jan 1982 - Mar 2020 |
| Land And Natural Resource Development, Inc. | Alabama | 6,379 BBLs | 107,766 MCF | Jul 1977 - Mar 2020 |
| Landmark Resources, Inc. | Kansas | 12,446 BBLs | 5,820 MCF | Jan 1980 - Feb 2020 |
| Lario Oil & Gas Company | Kansas | 35,524 BBLs | 46,912 MCF | Jan 1980 - Feb 2020 |
| Lavaca River Operating Company, LLC | Louisiana | 11,785 BBLs | 6,312 MCF | Aug 2014 - Aug 2018 |
| Lawco Holdings, LLC | Kansas | 3,938 BBLs | 0 MCF | Aug 2014 - Feb 2020 |
| Layline Oil And Gas LLC | Michigan | 10,575 BBLs | 16,395 MCF | Jan 1982 - Feb 2020 |
| Laymon Oil II, LLC | Kansas | 11,651 BBLs | 0 MCF | Jan 1980 - Feb 2020 |
| LB Exploration, Inc. | Kansas | 3,811 BBLs | 16,414 MCF | Jan 1980 - Feb 2020 |
| Lease Management Inc | Michigan | 5,703 BBLs | 0 MCF | Jan 1982 - Jan 2020 |
| Lebsack Oil Production Inc. | Kansas | 6,069 BBLs | 4,074 MCF | Jan 1980 - Feb 2020 |
| Legacy Reserves Operating LP | Montana | 17,816 BBLs | 8,389 MCF | Jun 2012 - Apr 2020 |
| Legacy Reserves Operating LP | North Dakota | 5,441 BBLs | 6,371 MCF | Oct 2006 - May 2020 |
| Legacy Reserves Operating LP | Wyoming | 29,915 BBLs | 462 MCF | Jan 1978 - Dec 2020 |
| Legacy Reserves Operating, LP | New Mexico | 219,671 BBLs | 803,054 MCF | May 2006 - Apr 2020 |
| Legacy Resources Co., L.P. | Louisiana | 756 BBLs | 57,844 MCF | Dec 1993 - Sep 2018 |
| LH Operating, LLC | New Mexico | 18,528 BBLs | 14,491 MCF | Nov 2019 - Mar 2020 |
| Liberty Pioneer Energy Source, Inc | Utah | 0 BBLs | 56,628 MCF | Mar 2012 - May 2020 |
| Liberty Resources Management Company, LLC | North Dakota | 139,191 BBLs | 367,233 MCF | Jun 2014 - May 2020 |
| Lime Rock Resources II-A, L.P. | New Mexico | 93,649 BBLs | 410,962 MCF | Dec 2010 - May 2020 |
| Lime Rock Resources III-A, L.P. | Arkansas | 0 BBLs | 675,475 MCF | Jan 2001 - Apr 2020 |
| Lime Rock Resources III-A, L.P. | North Dakota | 254,358 BBLs | 258,798 MCF | Mar 2015 - May 2020 |
| Linde Inc | Colorado | 0 BBLs | 119,950 MCF | Jan 1999 - Mar 2020 |
| Linn Operating, Inc. | Louisiana | 5,529 BBLs | 255,566 MCF | Feb 2008 - Sep 2018 |
| 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 | 2,781 BBLs | 16,654 MCF | Jan 1999 - May 2020 |
| Logos Operating, LLC | New Mexico | 50,821 BBLs | 2,505,943 MCF | Jul 2012 - Apr 2020 |
| Lonestar Oil Co | Kansas | 2,625 BBLs | 0 MCF | Jan 1980 - Feb 2020 |
| Lonewolf Operating, LLC | Montana | 4,083 BBLs | 12,464 MCF | Aug 2018 - Feb 2020 |
| Longfellow Energy, LP | New Mexico | 4,493 BBLs | 29,631 MCF | Jul 2017 - Apr 2020 |
| Lotus Operating Company, L.L.C. | Kansas | 7,853 BBLs | 81,643 MCF | Jan 1980 - Feb 2020 |
| 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 | 13,684 BBLs | 14,306 MCF | Dec 1996 - May 2020 |
| Lynx Operating Co., Inc. | New Mexico | 2,803 BBLs | 1,222 MCF | Jan 1999 - Apr 2020 |
| M & G DRLG Co Inc | New Mexico | 54 BBLs | 75,100 MCF | May 1995 - Apr 2020 |
| M & K Oil Company LLC | Wyoming | 20,821 BBLs | 81,558 MCF | Jan 2015 - Dec 2020 |