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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Lachenmayr Oil LLC | Kansas | 3,219 BBLs | 0 MCF | Jan 1980 - Sep 2022 |
| Lafayette Oilfield Contractors, Inc. | Louisiana | 6,203 BBLs | 0 MCF | Nov 2020 - Oct 2022 |
| Lambda Energy Resources LLC | Michigan | 44,236 BBLs | 457,942 MCF | Sep 2018 - May 2022 |
| Land And Natural Resource Development, Inc. | Alabama | 3,823 BBLs | 59,381 MCF | Jul 1977 - Oct 2022 |
| Landmark Resources, Inc. | Kansas | 16,600 BBLs | 4,798 MCF | Jan 1980 - Sep 2022 |
| Lario Oil & Gas Company | Kansas | 24,112 BBLs | 36,937 MCF | Jan 1980 - Sep 2022 |
| Layline Oil And Gas LLC | Michigan | 11,989 BBLs | 13,822 MCF | Jan 2017 - Mar 2022 |
| Laymon Oil II, LLC | Kansas | 11,957 BBLs | 0 MCF | Jan 1980 - Sep 2022 |
| LB Exploration, Inc. | Kansas | 3,053 BBLs | 23,679 MCF | Jan 1980 - Sep 2022 |
| Lboc, LLC | Arkansas | 1,738 BBLs | 0 MCF | Jan 2001 - Jul 2022 |
| Lebsack Oil Production Inc. | Kansas | 4,755 BBLs | 2,247 MCF | Jan 1980 - Sep 2022 |
| Legacy Reserves Operating LP | Montana | 11,251 BBLs | 6,351 MCF | Jun 2012 - Aug 2022 |
| Legacy Reserves Operating LP | North Dakota | 8,764 BBLs | 5,923 MCF | Oct 2006 - Nov 2022 |
| Legacy Reserves Operating LP | Wyoming | 27,333 BBLs | 754 MCF | Jan 1998 - Nov 2022 |
| Legacy Reserves Operating, LP | New Mexico | 100,730 BBLs | 358,906 MCF | May 2006 - Nov 2022 |
| Lewis Operating Company | Louisiana | 1,991 BBLs | 215 MCF | Oct 1988 - Oct 2022 |
| LH Operating, LLC | New Mexico | 38,497 BBLs | 36,397 MCF | Nov 2019 - Nov 2022 |
| Liberty Resources Management Company, LLC | North Dakota | 78,457 BBLs | 294,165 MCF | Jun 2014 - Dec 2022 |
| Lime Rock Resources III-A, L.P. | North Dakota | 324,064 BBLs | 288,081 MCF | Mar 2015 - Nov 2022 |
| Lime Rock Resources V-A, LP | North Dakota | 104,728 BBLs | 651,733 MCF | Jul 2022 - Nov 2022 |
| Little Chief Energy Corporation | Kansas | 1,867 BBLs | 0 MCF | Jan 2010 - Sep 2022 |
| Lobo Production, Inc | Kansas | 0 BBLs | 35,612 MCF | Jan 1980 - Sep 2022 |
| Locin Oil Corporation | Colorado | 857 BBLs | 95,696 MCF | May 2000 - Nov 2022 |
| Loeb LLC* Herman L | Colorado | 1,890 BBLs | 12,171 MCF | Jan 1999 - Dec 2022 |
| Logos Operating, LLC | New Mexico | 27,373 BBLs | 4,345,949 MCF | Jul 2012 - Nov 2022 |
| Loil Oil LLC | Wyoming | 3,925 BBLs | 1,564 MCF | Nov 2016 - Nov 2022 |
| Lonestar Oil Co | Kansas | 1,776 BBLs | 0 MCF | Jan 1980 - Sep 2022 |
| Lonewolf Operating, LLC | Montana | 2,555 BBLs | 14,586 MCF | Aug 2018 - Aug 2022 |
| Longfellow Energy, LP | New Mexico | 111,192 BBLs | 158,169 MCF | Jul 2017 - Dec 2022 |
| Longs Peak Resources LLC | Wyoming | 34,966 BBLs | 35,283 MCF | Feb 2016 - Oct 2022 |
| Longview Production Company | Arkansas | 456 BBLs | 17,261 MCF | Jan 2001 - Jul 2022 |
| Luff Exploration Company | North Dakota | 10,691 BBLs | 8,810 MCF | Dec 1996 - Dec 2022 |
| M & G DRLG Co Inc | New Mexico | 18 BBLs | 64,191 MCF | May 1995 - Nov 2022 |
| M & K Oil Company LLC | Wyoming | 21,493 BBLs | 85,984 MCF | Jan 1978 - Nov 2022 |
| M & M Exploration, Inc. | Kansas | 1,095 BBLs | 23,106 MCF | Mar 2002 - Sep 2022 |
| M & M Oil Company, L.L.C. | Louisiana | 3,595 BBLs | 0 MCF | Aug 1994 - Oct 2022 |
| M E Klein & Associates, Inc | Kansas | 1,418 BBLs | 4,063 MCF | Jan 1980 - Sep 2022 |
| M G Oil Inc | Kansas | 9,008 BBLs | 0 MCF | Jan 1980 - Sep 2022 |
| Mack Energy Corp | New Mexico | 133,051 BBLs | 303,121 MCF | Jan 1993 - Nov 2022 |
| Magna Operating, LLC | Louisiana | 8,811 BBLs | 8,664 MCF | Sep 2010 - Oct 2022 |
| Magpie Operating, Inc | Colorado | 32,214 BBLs | 85,577 MCF | Jan 1999 - Nov 2022 |
| Mai Oil Operations, Inc. | Kansas | 47,841 BBLs | 440 MCF | Jan 1980 - Sep 2022 |
| Manzano LLC | New Mexico | 3,948 BBLs | 8,550 MCF | Mar 2005 - Nov 2022 |
| Mar-Lou Oil Co., LLC | Kansas | 2,385 BBLs | 0 MCF | Jan 1980 - Sep 2022 |
| Maralex Resources, Inc | Colorado | 0 BBLs | 308,416 MCF | Jan 1999 - Nov 2022 |
| Marathon Oil Company | North Dakota | 2,293,935 BBLs | 4,960,835 MCF | Jul 1979 - Nov 2022 |
| Marathon Oil Permian LLC | New Mexico | 373,130 BBLs | 1,621,296 MCF | Jul 2017 - Nov 2022 |
| Marlin Exploration, LLC | Louisiana | 2,975 BBLs | 1,864 MCF | Mar 2015 - Nov 2022 |
| Marlin Resources, L.L.C. | Louisiana | 2,507 BBLs | 0 MCF | Apr 2008 - Nov 2022 |
| Marquee Corporation | Louisiana | 3,334 BBLs | 636 MCF | Jun 1990 - Oct 2022 |