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 |
|---|---|---|---|---|
| Kahan And Associates, Inc | Kansas | 6,672 BBLs | 0 MCF | Jan 1980 - Jun 2025 |
| Kaiser Francis Oil Co | Wyoming | 3,706 BBLs | 66,687 MCF | Jan 1983 - Sep 2025 |
| Kaiser-Francis Oil Co | New Mexico | 938,728 BBLs | 4,634,751 MCF | Jan 1993 - Aug 2025 |
| Kansas Energy Company, L.L.C. | Kansas | 1,407 BBLs | 0 MCF | Jan 1980 - Jun 2025 |
| Kansas Natural Gas Operating, LC | Kansas | 0 BBLs | 110,246 MCF | Jan 2010 - Jun 2025 |
| Kantor Oil Company, LLC | Kansas | 2,336 BBLs | 0 MCF | Jan 1980 - Jun 2025 |
| Kelly Bayou Production | Louisiana | 2,038 BBLs | 0 MCF | Sep 1999 - Jan 2025 |
| Kennedy Oil | Wyoming | 2,364 BBLs | 18,293 MCF | Apr 1984 - Aug 2025 |
| Kentex Worland LLC | Wyoming | 2,199 BBLs | 130,428 MCF | Apr 2019 - Aug 2025 |
| Kerr McGee Oil & Gas Onshore LP | Colorado | 2,829,312 BBLs | 25,779,022 MCF | Jan 1999 - Aug 2025 |
| Kerr-McGee Oil & Gas Onshore LP | Wyoming | 1,425 BBLs | 4,324 MCF | Mar 1994 - Sep 2025 |
| Key Operating Company | Louisiana | 16,584 BBLs | 14,806 MCF | Jan 1995 - Jan 2025 |
| KGH Operating Company | Colorado | 425 BBLs | 39,392 MCF | Jan 1999 - Aug 2025 |
| Kinder Morgan Co2 Co LP | Colorado | 92 BBLs | 19,568,185 MCF | Jan 1999 - Aug 2025 |
| Kirby Oil Company | Louisiana | 4,097 BBLs | 0 MCF | Jan 1981 - Dec 2024 |
| Knighton Oil Company, Inc. | Kansas | 5,537 BBLs | 1,368 MCF | Jan 1980 - Jun 2025 |
| Koda Resources Operating, LLC | North Dakota | 296,811 BBLs | 342,027 MCF | Sep 2019 - Aug 2025 |
| Koehn, Radell W. And Austin Koehn & Morgan Koehn | Kansas | 1,395 BBLs | 0 MCF | Jan 2010 - Jun 2025 |
| Koron Investments, Inc. | Kansas | 1,660 BBLs | 0 MCF | Jan 1980 - Jun 2025 |
| Kraft Oil Company LLC | Kansas | 1,354 BBLs | 0 MCF | Jan 1980 - Jun 2025 |
| Kraken Operating, LLC | Montana | 834,097 BBLs | 1,333,192 MCF | Sep 2013 - Aug 2025 |
| Kraken Operating, LLC | North Dakota | 1,098,887 BBLs | 2,427,939 MCF | Sep 2016 - Aug 2025 |
| Krier, Kirby Oil, Inc. | Kansas | 2,591 BBLs | 0 MCF | Jan 1980 - Jun 2025 |
| L. D. Drilling, Inc. | Kansas | 4,720 BBLs | 0 MCF | Jan 1980 - Jun 2025 |
| La Delta Farms Oil Company LLC | Louisiana | 1,377 BBLs | 2,299 MCF | Mar 2016 - Dec 2024 |
| Lachenmayr Oil LLC | Kansas | 2,823 BBLs | 1,266 MCF | Jan 1980 - Jun 2025 |
| Lafayette Oilfield Contractors, Inc. | Louisiana | 8,311 BBLs | 0 MCF | Nov 2020 - Dec 2024 |
| Lambda Energy Resources LLC | Michigan | 41,738 BBLs | 424,781 MCF | May 2014 - Aug 2025 |
| Land And Natural Resource Development, Inc. | Alabama | 2,440 BBLs | 39,695 MCF | Jul 1977 - Jul 2025 |
| Landmark Resources, Inc. | Kansas | 13,601 BBLs | 4,659 MCF | Jan 1980 - Jun 2025 |
| Lario Oil & Gas Co | New Mexico | 12,178 BBLs | 6,397 MCF | Jan 1993 - Aug 2025 |
| Lario Oil & Gas Company | Kansas | 21,894 BBLs | 22,695 MCF | Jan 1980 - Jun 2025 |
| Lawco Holdings, LLC | Kansas | 1,713 BBLs | 0 MCF | Aug 2014 - Jun 2025 |
| Layline Oil And Gas LLC | Michigan | 8,683 BBLs | 8,296 MCF | Jan 2017 - Aug 2025 |
| Laymon Oil II, LLC | Kansas | 8,156 BBLs | 0 MCF | Jan 1980 - Jun 2025 |
| LB Exploration, Inc. | Kansas | 1,447 BBLs | 15,077 MCF | Jan 1980 - Jun 2025 |
| Lease Management Inc | Michigan | 5,916 BBLs | 0 MCF | Jan 1982 - Aug 2025 |
| Lebsack Oil Production Inc. | Kansas | 5,619 BBLs | 1,034 MCF | Jan 1980 - Jun 2025 |
| Legacy Reserves Operating LP | North Dakota | 3,170 BBLs | 2,799 MCF | Oct 2006 - Aug 2025 |
| Lewis Operating Company | Louisiana | 1,466 BBLs | 120 MCF | Oct 1988 - Dec 2024 |
| LH Operating, LLC | New Mexico | 26,748 BBLs | 20,636 MCF | Nov 2019 - Sep 2025 |
| Liberty Resources Management Company, LLC | North Dakota | 2,665 BBLs | 1,333 MCF | Jun 2014 - Aug 2025 |
| Lime Rock Resources III-A, L.P. | North Dakota | 247,305 BBLs | 340,484 MCF | Mar 2015 - Aug 2025 |
| Lime Rock Resources V-A, LP | North Dakota | 64,200 BBLs | 630,895 MCF | Jul 2022 - Aug 2025 |
| Little Chief Energy Corporation | Kansas | 1,257 BBLs | 0 MCF | Jan 2010 - Jun 2025 |
| Lobo Operating, Inc. | Louisiana | 2,430 BBLs | 1,308 MCF | Mar 1995 - Dec 2024 |
| Lobo Production, Inc | Kansas | 0 BBLs | 26,460 MCF | Jan 1980 - Jun 2025 |
| Loeb LLC* Herman L | Colorado | 1,610 BBLs | 0 MCF | Jan 1999 - Sep 2025 |
| Logos Operating LLC | Colorado | 0 BBLs | 837,496 MCF | Jan 1999 - Aug 2025 |
| Logos Operating, LLC | New Mexico | 18,451 BBLs | 8,363,701 MCF | Jul 2012 - Aug 2025 |