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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Kelly Bayou Production | Louisiana | 2,421 BBLs | 0 MCF | Sep 1999 - Oct 2018 |
| Kentex Worland LLC | Wyoming | 2,404 BBLs | 105,836 MCF | Jan 2018 - Dec 2019 |
| Kerr McGee Oil & Gas Onshore LP | Colorado | 3,585,552 BBLs | 22,609,371 MCF | Jan 1999 - Sep 2019 |
| Kerr-McGee Oil & Gas Onshore LP | Wyoming | 7,466 BBLs | 39,503 MCF | Jan 1979 - Dec 2019 |
| Kerr-McGee Oil & Gas Onshore, LP | Utah | 29,395 BBLs | 7,865,970 MCF | Jan 2006 - Sep 2019 |
| Key Operating Company | Louisiana | 2,776 BBLs | 4,047 MCF | Jan 1995 - Sep 2018 |
| KFG Petroleum Corporation | Mississippi | 3,708 BBLs | 0 MCF | Dec 1976 - Sep 2019 |
| KGH Operating Company | Colorado | 1,831 BBLs | 55,732 MCF | Jun 2000 - Sep 2019 |
| Kinder Morgan Co2 Co LP | Colorado | 0 BBLs | 36,853,528 MCF | Apr 2000 - Oct 2019 |
| Kirby Oil Company | Louisiana | 4,102 BBLs | 0 MCF | Jan 1981 - Oct 2018 |
| Knighton Oil Company, Inc. | Kansas | 7,912 BBLs | 2,166 MCF | Jan 1980 - Jul 2019 |
| Kraken Development III, LLC | North Dakota | 129,491 BBLs | 184,729 MCF | Oct 2018 - Sep 2019 |
| Kraken Operating, LLC | Montana | 251,859 BBLs | 291,083 MCF | Sep 2013 - May 2019 |
| Kraken Operating, LLC | North Dakota | 886,393 BBLs | 1,588,939 MCF | Sep 2016 - Oct 2019 |
| L. D. Drilling, Inc. | Kansas | 22,462 BBLs | 0 MCF | Jan 1980 - Jul 2019 |
| La Veta Oil & Gas, LLC | Kansas | 2,380 BBLs | 0 MCF | Jan 1980 - Jul 2019 |
| Lachenmayr Oil LLC | Kansas | 2,922 BBLs | 0 MCF | Jan 1980 - Jul 2019 |
| Lambda Energy Resources LLC | Michigan | 78,552 BBLs | 570,147 MCF | Jan 1982 - Jul 2019 |
| Land And Natural Resource Development, Inc. | Alabama | 7,732 BBLs | 140,169 MCF | Jul 1977 - Aug 2019 |
| Landmark Resources, Inc. | Kansas | 13,652 BBLs | 4,293 MCF | Jan 1980 - Jul 2019 |
| Lario Oil & Gas Company | Kansas | 36,788 BBLs | 46,620 MCF | Jan 1980 - Jul 2019 |
| Larson Operating Company | Kansas | 8,070 BBLs | 0 MCF | Jan 1980 - Jul 2019 |
| Lasso Energy LLC | Kansas | 1,596 BBLs | 27,301 MCF | Jan 1980 - Jul 2019 |
| Lavaca River Operating Company, LLC | Louisiana | 11,785 BBLs | 6,312 MCF | Aug 2014 - Aug 2018 |
| Lawco Holdings, LLC | Kansas | 5,746 BBLs | 0 MCF | Aug 2014 - Jul 2019 |
| Layline Oil And Gas LLC | Michigan | 9,434 BBLs | 10,809 MCF | Jan 1982 - Jun 2019 |
| Laymon Oil II, LLC | Kansas | 10,838 BBLs | 0 MCF | Jan 1980 - Jul 2019 |
| LB Exploration, Inc. | Kansas | 2,713 BBLs | 13,138 MCF | Jan 1980 - Jul 2019 |
| Lboc, LLC | Arkansas | 2,296 BBLs | 0 MCF | Jan 2001 - Sep 2019 |
| Lease Management Inc | Michigan | 7,215 BBLs | 0 MCF | Jan 1982 - Jun 2019 |
| Lebsack Oil Production Inc. | Kansas | 6,448 BBLs | 3,200 MCF | Jan 1980 - Jul 2019 |
| Legacy Reserves Inc | North Dakota | 12,005 BBLs | 9,802 MCF | Sep 2019 - Sep 2019 |
| Legacy Reserves Operating LP | Montana | 18,051 BBLs | 10,538 MCF | Jun 2012 - Sep 2019 |
| Legacy Reserves Operating LP | Wyoming | 31,213 BBLs | 510 MCF | Jan 1978 - Dec 2019 |
| Legacy Reserves Operating, LP | New Mexico | 295,698 BBLs | 837,773 MCF | May 2006 - Jan 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 Pioneer Energy Source, Inc | Utah | 0 BBLs | 57,902 MCF | Mar 2012 - Oct 2019 |
| Liberty Resources Management Company, LLC | North Dakota | 198,206 BBLs | 389,923 MCF | Jun 2014 - Oct 2019 |
| Lime Rock Resources II-A, L.P. | New Mexico | 94,812 BBLs | 390,401 MCF | Dec 2010 - Jan 2019 |
| Lime Rock Resources III-A, L.P. | Arkansas | 0 BBLs | 750,747 MCF | Jan 2001 - Aug 2019 |
| Lime Rock Resources III-A, L.P. | North Dakota | 438,760 BBLs | 427,519 MCF | Mar 2015 - Oct 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 | 2,479 BBLs | 18,079 MCF | Jan 1999 - Oct 2019 |
| Logos Operating, LLC | New Mexico | 128,710 BBLs | 2,869,505 MCF | Jul 2012 - Jan 2019 |
| Lonewolf Operating, LLC | Montana | 3,971 BBLs | 15,487 MCF | Aug 2018 - Jun 2019 |
| Lotus Operating Company, L.L.C. | Kansas | 10,214 BBLs | 90,538 MCF | Jan 1980 - Jul 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 |