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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Key Operating Company | Louisiana | 16,584 BBLs | 14,806 MCF | Jan 1995 - Jan 2025 |
| KGH Operating Company | Colorado | 621 BBLs | 33,901 MCF | Jan 1999 - Oct 2025 |
| Kimbell Oil Co Of Texas | New Mexico | 39 BBLs | 17,496 MCF | Jan 1993 - Nov 2025 |
| Kinder Morgan Co2 Co LP | Colorado | 182 BBLs | 22,147,710 MCF | Jan 1999 - Nov 2025 |
| Kirby Oil Company | Louisiana | 4,097 BBLs | 0 MCF | Jan 1981 - Dec 2024 |
| Knighton Oil Company, Inc. | Kansas | 6,943 BBLs | 1,409 MCF | Jan 1980 - Sep 2025 |
| Koda GNB, LLC | Utah | 27,182 BBLs | 4,398,767 MCF | Nov 2025 - Nov 2025 |
| Koda Resources Operating, LLC | North Dakota | 309,505 BBLs | 421,300 MCF | Sep 2019 - Nov 2025 |
| Koda Uinta, LLC | Utah | 108,400 BBLs | 7,569,964 MCF | Nov 2025 - Nov 2025 |
| Kraken Operating, LLC | Montana | 880,704 BBLs | 1,384,668 MCF | Sep 2013 - Nov 2025 |
| Kraken Operating, LLC | North Dakota | 1,099,834 BBLs | 2,395,097 MCF | Sep 2016 - Nov 2025 |
| Krier, Kirby Oil, Inc. | Kansas | 2,571 BBLs | 0 MCF | Jan 1980 - Sep 2025 |
| L. D. Drilling, Inc. | Kansas | 3,627 BBLs | 7 MCF | Jan 1980 - Sep 2025 |
| La Delta Farms Oil Company LLC | Louisiana | 1,377 BBLs | 2,299 MCF | Mar 2016 - Dec 2024 |
| Lachenmayr Oil LLC | Kansas | 2,864 BBLs | 1,223 MCF | Jan 1980 - Sep 2025 |
| Lafayette Oilfield Contractors, Inc. | Louisiana | 8,311 BBLs | 0 MCF | Nov 2020 - Dec 2024 |
| Lambda Energy Resources LLC | Michigan | 41,568 BBLs | 423,830 MCF | May 2014 - Dec 2025 |
| Land And Natural Resource Development, Inc. | Alabama | 2,183 BBLs | 36,447 MCF | Jul 1977 - Sep 2025 |
| Landmark Resources, Inc. | Kansas | 12,046 BBLs | 3,832 MCF | Jan 1980 - Sep 2025 |
| Lario Oil & Gas Co | New Mexico | 8,874 BBLs | 4,969 MCF | Jan 1993 - Nov 2025 |
| Lario Oil & Gas Company | Kansas | 19,852 BBLs | 20,385 MCF | Jan 1980 - Sep 2025 |
| Layline Oil And Gas LLC | Michigan | 7,901 BBLs | 6,907 MCF | Jan 2017 - Dec 2025 |
| Laymon Oil II, LLC | Kansas | 8,673 BBLs | 0 MCF | Jan 1980 - Sep 2025 |
| LB Exploration, Inc. | Kansas | 1,280 BBLs | 12,516 MCF | Jan 1980 - Sep 2025 |
| Lease Management Inc | Michigan | 5,319 BBLs | 0 MCF | Jan 1982 - Nov 2025 |
| Lebsack Oil Production Inc. | Kansas | 5,094 BBLs | 1,022 MCF | Jan 1980 - Sep 2025 |
| Legacy Reserves Operating LP | North Dakota | 1,486 BBLs | 1,293 MCF | Oct 2006 - Dec 2025 |
| Lewis Operating Company | Louisiana | 1,466 BBLs | 120 MCF | Oct 1988 - Dec 2024 |
| LH Operating, LLC | New Mexico | 27,555 BBLs | 18,702 MCF | Nov 2019 - Dec 2025 |
| Liberty Operating Company, LLC | Mississippi | 2,721 BBLs | 0 MCF | Dec 1976 - Oct 2025 |
| Liberty Resources Management Company, LLC | North Dakota | 2,302 BBLs | 1,152 MCF | Jun 2014 - Dec 2025 |
| Lime Rock Resources III-A, L.P. | North Dakota | 249,099 BBLs | 360,920 MCF | Mar 2015 - Dec 2025 |
| Lime Rock Resources V-A, L.P. | North Dakota | 56,691 BBLs | 585,843 MCF | Jul 2022 - Dec 2025 |
| Little Chief Energy Corporation | Kansas | 2,259 BBLs | 0 MCF | Jan 2010 - Sep 2025 |
| Lobo Operating, Inc. | Louisiana | 2,430 BBLs | 1,308 MCF | Mar 1995 - Dec 2024 |
| Lobo Production, Inc | Kansas | 0 BBLs | 29,226 MCF | Jan 1980 - Sep 2025 |
| Loeb LLC* Herman L | Colorado | 1,257 BBLs | 0 MCF | Jan 1999 - Nov 2025 |
| Logos Operating LLC | Colorado | 2 BBLs | 680,578 MCF | Jan 1999 - Oct 2025 |
| Logos Operating, LLC | New Mexico | 16,619 BBLs | 7,864,762 MCF | Jul 2012 - Nov 2025 |
| Loil Oil LLC | Wyoming | 4,680 BBLs | 10,800 MCF | Nov 2016 - Nov 2025 |
| Lonestar Oil Co | Kansas | 1,905 BBLs | 0 MCF | Jan 1980 - Sep 2025 |
| Longfellow Energy, LP | New Mexico | 206,262 BBLs | 658,422 MCF | Jul 2017 - Nov 2025 |
| Longs Peak Resources LLC | Wyoming | 13,095 BBLs | 16,308 MCF | Feb 2016 - Oct 2025 |
| Lowry Exploration, Inc. | Kansas | 0 BBLs | 18,129 MCF | Jan 1980 - Sep 2025 |
| Luff Exploration Company | North Dakota | 8,726 BBLs | 6,833 MCF | Dec 1996 - Dec 2025 |
| Lynx Operating Co., Inc. | New Mexico | 2,697 BBLs | 3,256 MCF | Jan 1999 - Dec 2025 |
| M & G DRLG Co Inc | New Mexico | 168 BBLs | 60,139 MCF | May 1995 - Nov 2025 |
| M & K Oil Company LLC | Wyoming | 24,203 BBLs | 78,766 MCF | Jan 1978 - Oct 2025 |
| M & M Exploration, Inc. | Kansas | 630 BBLs | 18,165 MCF | Mar 2002 - Sep 2025 |
| M & M Oil Company, L.L.C. | Louisiana | 2,996 BBLs | 0 MCF | Aug 1994 - Jan 2025 |