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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Kansas Resource Exploration & Development, LLC | Kansas | 2,407 BBLs | 0 MCF | Jan 1980 - Sep 2019 |
| Kantor Oil Company, LLC | Kansas | 3,150 BBLs | 0 MCF | Jan 1980 - Sep 2019 |
| Kash Oil And Gas, Inc | Louisiana | 2,807 BBLs | 10,041 MCF | Apr 1986 - Oct 2018 |
| Kelly Bayou Production | Louisiana | 2,421 BBLs | 0 MCF | Sep 1999 - Oct 2018 |
| Kentex Worland LLC | Wyoming | 2,478 BBLs | 103,404 MCF | Jan 2018 - Dec 2019 |
| Kerr McGee Oil & Gas Onshore LP | Colorado | 3,425,495 BBLs | 21,551,228 MCF | Jan 1999 - Nov 2019 |
| Kerr-McGee Oil & Gas Onshore LP | Wyoming | 6,857 BBLs | 36,335 MCF | Jan 1979 - Dec 2019 |
| Kerr-McGee Oil & Gas Onshore, LP | Utah | 31,008 BBLs | 7,563,885 MCF | Jan 2006 - Nov 2019 |
| Key Operating Company | Louisiana | 2,776 BBLs | 4,047 MCF | Jan 1995 - Sep 2018 |
| KFG Petroleum Corporation | Mississippi | 3,806 BBLs | 0 MCF | Dec 1976 - Nov 2019 |
| KGH Operating Company | Colorado | 1,547 BBLs | 53,170 MCF | Jun 2000 - Nov 2019 |
| Kinder Morgan Co2 Co LP | Colorado | 0 BBLs | 35,159,852 MCF | Apr 2000 - Nov 2019 |
| Kirby Oil Company | Louisiana | 4,102 BBLs | 0 MCF | Jan 1981 - Oct 2018 |
| Knighton Oil Company, Inc. | Kansas | 8,524 BBLs | 1,767 MCF | Jan 1980 - Sep 2019 |
| Koda Resources Operating, LLC | North Dakota | 29,821 BBLs | 22,155 MCF | Sep 2019 - Nov 2019 |
| Kraken Development III, LLC | North Dakota | 286,661 BBLs | 383,695 MCF | Oct 2018 - Nov 2019 |
| Kraken Operating, LLC | North Dakota | 1,130,467 BBLs | 1,931,836 MCF | Sep 2016 - Nov 2019 |
| L. D. Drilling, Inc. | Kansas | 19,124 BBLs | 0 MCF | Jan 1980 - Sep 2019 |
| Lachenmayr Oil LLC | Kansas | 3,318 BBLs | 0 MCF | Jan 1980 - Sep 2019 |
| Lambda Energy Resources LLC | Michigan | 72,307 BBLs | 603,175 MCF | Jan 1982 - Sep 2019 |
| Land And Natural Resource Development, Inc. | Alabama | 6,188 BBLs | 132,255 MCF | Jul 1977 - Oct 2019 |
| Landmark Resources, Inc. | Kansas | 11,466 BBLs | 5,539 MCF | Jan 1980 - Sep 2019 |
| Lario Oil & Gas Company | Kansas | 34,465 BBLs | 50,985 MCF | Jan 1980 - Sep 2019 |
| Lavaca River Operating Company, LLC | Louisiana | 11,785 BBLs | 6,312 MCF | Aug 2014 - Aug 2018 |
| Lawco Holdings, LLC | Kansas | 4,063 BBLs | 0 MCF | Aug 2014 - Sep 2019 |
| Layline Oil And Gas LLC | Michigan | 8,869 BBLs | 12,219 MCF | Jan 1982 - Sep 2019 |
| Laymon Oil II, LLC | Kansas | 10,371 BBLs | 0 MCF | Jan 1980 - Sep 2019 |
| LB Exploration, Inc. | Kansas | 2,246 BBLs | 19,438 MCF | Jan 1980 - Sep 2019 |
| Lboc, LLC | Arkansas | 2,434 BBLs | 0 MCF | Jan 2001 - Dec 2019 |
| Lease Management Inc | Michigan | 6,919 BBLs | 0 MCF | Jan 1982 - Sep 2019 |
| Lebsack Oil Production Inc. | Kansas | 6,014 BBLs | 3,479 MCF | Jan 1980 - Sep 2019 |
| Legacy Reserves Inc | North Dakota | 12,163 BBLs | 8,603 MCF | Sep 2019 - Nov 2019 |
| Legacy Reserves Operating LP | Montana | 18,916 BBLs | 10,287 MCF | Jun 2012 - Nov 2019 |
| Legacy Reserves Operating LP | Wyoming | 32,264 BBLs | 561 MCF | Jan 1978 - Dec 2019 |
| Legacy Reserves Operating, LP | New Mexico | 247,854 BBLs | 940,444 MCF | May 2006 - Nov 2019 |
| Legacy Resources Co., L.P. | Louisiana | 756 BBLs | 57,844 MCF | Dec 1993 - Sep 2018 |
| Lewis Operating Company | Louisiana | 2,250 BBLs | 260 MCF | Oct 1988 - Aug 2018 |
| Liberty Resources Management Company, LLC | North Dakota | 202,996 BBLs | 404,668 MCF | Jun 2014 - Dec 2019 |
| Lime Rock Resources II-A, L.P. | New Mexico | 73,720 BBLs | 365,194 MCF | Dec 2010 - Nov 2019 |
| Lime Rock Resources III-A, L.P. | Arkansas | 0 BBLs | 730,739 MCF | Jan 2001 - Oct 2019 |
| Lime Rock Resources III-A, L.P. | North Dakota | 479,167 BBLs | 437,832 MCF | Mar 2015 - Nov 2019 |
| Linn Operating, Inc. | Louisiana | 5,529 BBLs | 255,566 MCF | Feb 2008 - Sep 2018 |
| Lobo Operating, Inc. | Louisiana | 26,364 BBLs | 33,848 MCF | Mar 1995 - Aug 2018 |
| Loeb LLC* Herman L | Colorado | 2,437 BBLs | 17,577 MCF | Jan 1999 - Dec 2019 |
| Logos Operating, LLC | New Mexico | 75,401 BBLs | 2,979,598 MCF | Jul 2012 - Nov 2019 |
| Lonewolf Operating, LLC | Montana | 3,758 BBLs | 0 MCF | Aug 2018 - Jul 2019 |
| Longfellow Energy, LP | New Mexico | 3,111 BBLs | 24,381 MCF | Jul 2017 - Nov 2019 |
| Lotus Operating Company, L.L.C. | Kansas | 9,789 BBLs | 86,509 MCF | Jan 1980 - Sep 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 |