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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Kraken Operating, LLC | Montana | 532,996 BBLs | 646,915 MCF | Sep 2013 - Mar 2023 |
| Kraken Operating, LLC | North Dakota | 898,696 BBLs | 1,565,938 MCF | Sep 2016 - Apr 2023 |
| Krier, Kirby Oil, Inc. | Kansas | 1,477 BBLs | 0 MCF | Jan 1980 - Jan 2023 |
| L. D. Drilling, Inc. | Kansas | 15,317 BBLs | 589 MCF | Jan 1980 - Jan 2023 |
| Lachenmayr Oil LLC | Kansas | 3,196 BBLs | 0 MCF | Jan 1980 - Jan 2023 |
| Lafayette Oilfield Contractors, Inc. | Louisiana | 6,073 BBLs | 0 MCF | Nov 2020 - Mar 2023 |
| Lambda Energy Resources LLC | Michigan | 44,236 BBLs | 457,942 MCF | Sep 2018 - May 2022 |
| Land And Natural Resource Development, Inc. | Alabama | 4,122 BBLs | 65,437 MCF | Jul 1977 - Feb 2023 |
| Landmark Resources, Inc. | Kansas | 12,456 BBLs | 4,501 MCF | Jan 1980 - Jan 2023 |
| Lario Oil & Gas Company | Kansas | 23,580 BBLs | 32,117 MCF | Jan 1980 - Jan 2023 |
| Lasso Energy LLC | Kansas | 1,635 BBLs | 7,780 MCF | Jan 1980 - Jan 2023 |
| Lawco Holdings, LLC | Kansas | 1,980 BBLs | 0 MCF | Aug 2014 - Jan 2023 |
| Layline Oil And Gas LLC | Michigan | 11,989 BBLs | 13,822 MCF | Jan 2017 - Mar 2022 |
| Laymon Oil II, LLC | Kansas | 9,794 BBLs | 0 MCF | Jan 1980 - Jan 2023 |
| LB Exploration, Inc. | Kansas | 2,647 BBLs | 24,305 MCF | Jan 1980 - Jan 2023 |
| Lboc, LLC | Arkansas | 1,738 BBLs | 0 MCF | Jan 2001 - Jul 2022 |
| Lebsack Oil Production Inc. | Kansas | 5,670 BBLs | 1,932 MCF | Jan 1980 - Jan 2023 |
| Legacy Reserves Operating LP | Montana | 11,133 BBLs | 5,070 MCF | Jun 2012 - Feb 2023 |
| Legacy Reserves Operating LP | North Dakota | 7,248 BBLs | 4,744 MCF | Oct 2006 - Apr 2023 |
| Legacy Reserves Operating LP | Wyoming | 26,034 BBLs | 688 MCF | Jan 1998 - Apr 2023 |
| Legacy Reserves Operating, LP | New Mexico | 101,852 BBLs | 355,558 MCF | May 2006 - Mar 2023 |
| LH Operating, LLC | New Mexico | 37,073 BBLs | 35,497 MCF | Nov 2019 - Mar 2023 |
| Liberty Resources Management Company, LLC | North Dakota | 161,754 BBLs | 301,442 MCF | Jun 2014 - Apr 2023 |
| Lime Rock Resources III-A, L.P. | North Dakota | 400,040 BBLs | 344,913 MCF | Mar 2015 - Apr 2023 |
| Lime Rock Resources V-A, LP | North Dakota | 98,267 BBLs | 586,753 MCF | Jul 2022 - Apr 2023 |
| Little Chief Energy Corporation | Kansas | 1,975 BBLs | 0 MCF | Jan 2010 - Jan 2023 |
| Llox, L.L.C. | Louisiana | 73,162 BBLs | 1,012,481 MCF | Feb 2015 - Mar 2023 |
| Lobo Operating, Inc. | Louisiana | 8,914 BBLs | 4,672 MCF | Mar 1995 - Apr 2023 |
| Locin Oil Corporation | Colorado | 478 BBLs | 72,242 MCF | May 2000 - Apr 2023 |
| Loeb LLC* Herman L | Colorado | 1,543 BBLs | 10,634 MCF | Jan 1999 - Apr 2023 |
| Loewen Operator, Inc. | Kansas | 1,952 BBLs | 0 MCF | Jan 1980 - Jan 2023 |
| Logos Operating, LLC | New Mexico | 24,447 BBLs | 5,005,101 MCF | Jul 2012 - Mar 2023 |
| Loil Oil LLC | Wyoming | 4,386 BBLs | 1,448 MCF | Nov 2016 - Mar 2023 |
| Lonestar Oil Co | Kansas | 1,757 BBLs | 0 MCF | Jan 1980 - Jan 2023 |
| Lonewolf Operating, LLC | Montana | 2,597 BBLs | 10,582 MCF | Aug 2018 - Mar 2023 |
| Longfellow Energy, LP | New Mexico | 133,138 BBLs | 227,299 MCF | Jul 2017 - Mar 2023 |
| Longs Peak Resources LLC | Wyoming | 23,664 BBLs | 25,447 MCF | Feb 2016 - Mar 2023 |
| Louisiana Jordan Oil Company, Inc. | Louisiana | 1,821 BBLs | 7,127 MCF | Jan 2013 - Mar 2023 |
| Luff Exploration Company | North Dakota | 10,440 BBLs | 8,628 MCF | Dec 1996 - Apr 2023 |
| Lynx Operating Co., Inc. | New Mexico | 2,108 BBLs | 485 MCF | Jan 1999 - Mar 2023 |
| M & G DRLG Co Inc | New Mexico | 24 BBLs | 65,477 MCF | May 1995 - Mar 2023 |
| M & K Oil Company LLC | Wyoming | 20,511 BBLs | 61,406 MCF | Jan 1978 - Apr 2023 |
| M & M Exploration, Inc. | Kansas | 1,565 BBLs | 24,356 MCF | Mar 2002 - Jan 2023 |
| M & M Oil Company, L.L.C. | Louisiana | 3,609 BBLs | 0 MCF | Aug 1994 - Apr 2023 |
| M G Oil Inc | Kansas | 7,503 BBLs | 0 MCF | Jan 1980 - Jan 2023 |
| Mack Energy Corp | New Mexico | 120,343 BBLs | 296,101 MCF | Jan 1993 - Mar 2023 |
| Magna Operating, LLC | Louisiana | 7,456 BBLs | 0 MCF | Sep 2010 - Mar 2023 |
| Magnolia Production Company LLC | Louisiana | 2,135 BBLs | 42,797 MCF | Mar 2015 - Mar 2023 |
| Magnum Producing, L.P. | Louisiana | 4,718 BBLs | 0 MCF | Jan 2004 - Mar 2023 |
| Magpie Operating, Inc | Colorado | 27,022 BBLs | 92,487 MCF | Jan 1999 - Mar 2023 |