Search for U.S. oil and gas operators by operator name or browse by county to find the operator you're looking for. Find wells by operator, the oil and gas produced by county per operator, and recent drilling permits filed by U.S. operators.
Want even more details on U.S. oil and gas operators? Subscribe now to get access to advanced mapping features, production information, well details, operator details and much more.
| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Kantor Oil Company, LLC | Kansas | 2,665 BBLs | 0 MCF | Jan 1980 - May 2025 |
| Kelly Bayou Production | Louisiana | 2,038 BBLs | 0 MCF | Sep 1999 - Jan 2025 |
| Kennedy Oil | Wyoming | 3,165 BBLs | 14,375 MCF | Apr 1984 - Jul 2025 |
| Kentex Worland LLC | Wyoming | 2,238 BBLs | 105,790 MCF | Apr 2019 - Jul 2025 |
| Kerr-McGee Oil & Gas Onshore LP | Wyoming | 2,300 BBLs | 8,312 MCF | Mar 1994 - Jul 2025 |
| Key Operating Company | Louisiana | 16,584 BBLs | 14,806 MCF | Jan 1995 - Jan 2025 |
| KGH Operating Company | Colorado | 514 BBLs | 34,838 MCF | Jun 2000 - Jul 2025 |
| Kinder Morgan Co2 Co LP | Colorado | 298 BBLs | 20,175,480 MCF | Apr 2000 - Jul 2025 |
| Kirby Oil Company | Louisiana | 4,097 BBLs | 0 MCF | Jan 1981 - Dec 2024 |
| Knighton Oil Company, Inc. | Kansas | 6,798 BBLs | 1,021 MCF | Jan 1980 - May 2025 |
| Koda Resources Operating, LLC | North Dakota | 276,114 BBLs | 311,533 MCF | Sep 2019 - Jul 2025 |
| Koehn, Radell W. And Austin Koehn & Morgan Koehn | Kansas | 1,217 BBLs | 0 MCF | Jan 2010 - May 2025 |
| Koron Investments, Inc. | Kansas | 1,157 BBLs | 0 MCF | Jan 1980 - May 2025 |
| Kraken Operating, LLC | Montana | 958,431 BBLs | 1,444,532 MCF | Sep 2013 - Jul 2025 |
| Kraken Operating, LLC | North Dakota | 1,009,073 BBLs | 2,292,415 MCF | Sep 2016 - Jul 2025 |
| Krier, Kirby Oil, Inc. | Kansas | 1,905 BBLs | 0 MCF | Jan 1980 - May 2025 |
| L. D. Drilling, Inc. | Kansas | 10,049 BBLs | 0 MCF | Jan 1980 - May 2025 |
| La Delta Farms Oil Company LLC | Louisiana | 1,377 BBLs | 2,299 MCF | Mar 2016 - Dec 2024 |
| La Veta Oil & Gas, LLC | Kansas | 1,147 BBLs | 0 MCF | Jan 1980 - May 2025 |
| Lachenmayr Oil LLC | Kansas | 3,842 BBLs | 1,017 MCF | Jan 1980 - May 2025 |
| Lafayette Oilfield Contractors, Inc. | Louisiana | 8,311 BBLs | 0 MCF | Nov 2020 - Dec 2024 |
| Lambda Energy Resources LLC | Michigan | 36,285 BBLs | 397,094 MCF | May 2014 - Jul 2025 |
| Land And Natural Resource Development, Inc. | Alabama | 2,996 BBLs | 42,417 MCF | Jul 1977 - Jun 2025 |
| Landmark Energy Partners, LLC | New Mexico | 1,292 BBLs | 0 MCF | May 2024 - Jul 2025 |
| Landmark Resources, Inc. | Kansas | 13,329 BBLs | 4,502 MCF | Jan 1980 - May 2025 |
| Lario Oil & Gas Co | New Mexico | 20,757 BBLs | 13,431 MCF | Jan 1993 - Jun 2025 |
| Lario Oil & Gas Company | Kansas | 21,941 BBLs | 22,749 MCF | Jan 1980 - May 2025 |
| Lawco Holdings, LLC | Kansas | 1,544 BBLs | 0 MCF | Aug 2014 - May 2025 |
| Layline Oil And Gas LLC | Michigan | 9,033 BBLs | 3,157 MCF | Jan 2017 - Jun 2025 |
| Laymon Oil II, LLC | Kansas | 10,810 BBLs | 0 MCF | Jan 1980 - May 2025 |
| LB Exploration, Inc. | Kansas | 1,469 BBLs | 15,485 MCF | Jan 1980 - May 2025 |
| Lebsack Oil Production Inc. | Kansas | 5,164 BBLs | 1,061 MCF | Jan 1980 - May 2025 |
| Legacy Reserves Operating LP | Montana | 1,527 BBLs | 18 MCF | Jun 2012 - Jul 2025 |
| Legacy Reserves Operating LP | North Dakota | 4,437 BBLs | 5,380 MCF | Oct 2006 - Jul 2025 |
| Lewis Operating Company | Louisiana | 1,466 BBLs | 120 MCF | Oct 1988 - Dec 2024 |
| LH Operating, LLC | New Mexico | 25,344 BBLs | 20,573 MCF | Nov 2019 - Jul 2025 |
| Liberty Operating Company, LLC | Mississippi | 2,006 BBLs | 0 MCF | Dec 1976 - Jul 2025 |
| Liberty Resources Management Company, LLC | North Dakota | 2,851 BBLs | 1,426 MCF | Jun 2014 - Jul 2025 |
| Lime Rock Resources III-A, L.P. | North Dakota | 250,388 BBLs | 344,520 MCF | Mar 2015 - Jul 2025 |
| Lime Rock Resources V-A, LP | North Dakota | 63,939 BBLs | 632,854 MCF | Jul 2022 - Jul 2025 |
| Little Chief Energy Corporation | Kansas | 1,637 BBLs | 0 MCF | Jan 2010 - May 2025 |
| Lobo Operating, Inc. | Louisiana | 2,430 BBLs | 1,308 MCF | Mar 1995 - Dec 2024 |
| Lobo Production, Inc | Kansas | 0 BBLs | 29,642 MCF | Jan 1980 - May 2025 |
| Loeb LLC* Herman L | Colorado | 1,631 BBLs | 0 MCF | Jan 1999 - Aug 2025 |
| Logos Operating LLC | Colorado | 2 BBLs | 295,677 MCF | Jul 2017 - Jul 2025 |
| Logos Operating, LLC | New Mexico | 18,610 BBLs | 6,257,920 MCF | Jul 2012 - Jul 2025 |
| Loil Oil LLC | Wyoming | 4,047 BBLs | 6,029 MCF | Nov 2016 - Jul 2025 |
| Lone Wolf Oil & Gas Co., LLC | Kansas | 1,324 BBLs | 0 MCF | Jan 2010 - May 2025 |
| Lonestar Oil Co | Kansas | 1,942 BBLs | 0 MCF | Jan 1980 - May 2025 |
| Longfellow Energy, LP | New Mexico | 241,416 BBLs | 577,293 MCF | Jul 2017 - Jul 2025 |