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 |
|---|---|---|---|---|
| GMT Exploration Company LLC | Colorado | 27,783 BBLs | 43,438 MCF | Jan 1999 - Nov 2025 |
| GMT Exploration Company LLC | Wyoming | 128 BBLs | 47,791 MCF | Feb 2005 - Oct 2025 |
| Goodale Enterprises LLC | Michigan | 5,826 BBLs | 0 MCF | Jan 1985 - Dec 2025 |
| Gore Oil Company | Kansas | 18,228 BBLs | 1,930 MCF | Jan 1980 - Jun 2025 |
| Grady Bolding Corporation | Kansas | 1,983 BBLs | 0 MCF | Jan 1980 - Jun 2025 |
| Grand Mesa Operating Co | Colorado | 2,682 BBLs | 98 MCF | Jan 1999 - Nov 2025 |
| Grand Mesa Operating Company | Kansas | 13,544 BBLs | 25,869 MCF | Jan 1980 - Jun 2025 |
| Granite Creek Energy LLC | Montana | 4,650 BBLs | 3,228 MCF | Mar 2024 - Oct 2025 |
| Granite Creek Energy LLC | Wyoming | 18,286 BBLs | 61 MCF | May 2023 - Oct 2025 |
| Grayson Mill Operating, LLC | North Dakota | 2,086,036 BBLs | 9,706,930 MCF | Nov 2021 - Nov 2025 |
| Great Plains Energy, Inc. | Kansas | 1,771 BBLs | 0 MCF | Jan 1980 - Jun 2025 |
| Green Reserve Energy Holdings LLC | Wyoming | 8,167 BBLs | 1,190 MCF | Dec 2020 - Nov 2025 |
| Green Valley Operating, LLC | Montana | 2,676 BBLs | 1,912 MCF | Jun 2022 - Oct 2025 |
| Greylock Production, LLC | Utah | 18,567 BBLs | 1,159,134 MCF | Apr 2022 - Oct 2025 |
| Griffin & Griffin Expl, LLC | Louisiana | 2,331 BBLs | 0 MCF | Feb 2007 - Dec 2024 |
| Griffin, Charles N. | Kansas | 13,652 BBLs | 15,289 MCF | Jun 1980 - Jun 2025 |
| GRMR Oil & Gas LLC | Colorado | 1,258 BBLs | 1,607 MCF | Jan 1999 - Oct 2025 |
| Gulf Production Company, Inc. | Louisiana | 1,398 BBLs | 0 MCF | Apr 1992 - Dec 2024 |
| H & B Petroleum Corp. | Kansas | 8,265 BBLs | 824 MCF | Jan 1980 - Jun 2025 |
| H & C Oil Operating Inc. | Kansas | 4,733 BBLs | 0 MCF | Jan 1980 - Jun 2025 |
| H R F Antrim LP | Michigan | 0 BBLs | 36,082 MCF | Mar 1989 - Oct 2025 |
| H R F Exploration And Production LLC | Michigan | 0 BBLs | 120,464 MCF | Jan 2006 - Nov 2025 |
| Hadley/Jackson Energy LLC | Wyoming | 1,408 BBLs | 0 MCF | Nov 2019 - Oct 2025 |
| Hale Oil | Louisiana | 1,585 BBLs | 0 MCF | Jan 1995 - Dec 2024 |
| Hale Oil Co. | Louisiana | 1,611 BBLs | 0 MCF | Apr 1985 - Jan 2025 |
| Hartman Oil Co., Inc. | Kansas | 20,761 BBLs | 9,209 MCF | Jan 1980 - Jun 2025 |
| Harvard Petroleum Company, LLC | New Mexico | 49,729 BBLs | 183,343 MCF | Jan 1993 - Nov 2025 |
| Harvest Petroleum Partners, LLC | New Mexico | 1,222 BBLs | 1,750 MCF | Mar 2024 - Oct 2025 |
| Hawkins Oil, LLC | Kansas | 1,955 BBLs | 0 MCF | Jan 1980 - Jun 2025 |
| Hayes Oil & Gas LLC | Kansas | 780 BBLs | 13,951 MCF | Jan 1980 - Jun 2025 |
| Helena Resources Inc | Colorado | 2,976 BBLs | 8,179 MCF | Jan 1999 - Oct 2025 |
| Henergy Oil & Gas LLC | Louisiana | 1,623 BBLs | 0 MCF | Mar 2019 - Jan 2025 |
| Herman L. Loeb, LLC | Kansas | 25,548 BBLs | 119,045 MCF | Jan 1980 - Jun 2025 |
| Hertel Oil Company LLC | Kansas | 2,180 BBLs | 0 MCF | Jan 1980 - Jun 2025 |
| Hess Bakken Investments II, LLC | North Dakota | 2,750,026 BBLs | 12,514,250 MCF | Jan 2014 - Nov 2025 |
| Hess Oil Company | Kansas | 6,291 BBLs | 0 MCF | Jan 1980 - Jun 2025 |
| HG Oil Holdings, LLC | Kansas | 16,139 BBLs | 452 MCF | Jan 2020 - Jun 2025 |
| High River Resources Operating LLC | Colorado | 0 BBLs | 87,418 MCF | Jan 1999 - Oct 2025 |
| High River Resources Operating, LLC | New Mexico | 4,897 BBLs | 430,183 MCF | Nov 2023 - Oct 2025 |
| Highmark Energy Operating LLC | Mississippi | 97,374 BBLs | 0 MCF | Jan 2025 - Nov 2025 |
| Hilcorp Alaska, LLC | Alaska | 2,689,328 BBLs | 37,905,534 MCF | May 2006 - Nov 2025 |
| Hilcorp Energy Company | Colorado | 209 BBLs | 2,035,621 MCF | Jan 1999 - Oct 2025 |
| Hilcorp Energy Company | New Mexico | 172,843 BBLs | 25,057,908 MCF | Aug 2017 - Oct 2025 |
| Hilcorp Energy Company | Wyoming | 23,592 BBLs | 3,748,236 MCF | Jun 1997 - Oct 2025 |
| Hilcorp Energy Company, Inc. | Alabama | 22,300 BBLs | 176,576 MCF | Oct 1976 - Oct 2025 |
| Hilcorp North Slope, LLC | Alaska | 6,254,801 BBLs | 249,479,218 MCF | Jan 2019 - Nov 2025 |
| Hillenburg Oil Co., A General Partnership | Kansas | 1,464 BBLs | 0 MCF | Jan 1980 - Jun 2025 |
| Howell Oil Company, Inc. | Kansas | 2,439 BBLs | 0 MCF | Jul 1985 - Jun 2025 |
| Hughes Eastern Corporation | Alabama | 2,096 BBLs | 6,946 MCF | Sep 1977 - Oct 2025 |
| Hunt Oil Company | North Dakota | 453,435 BBLs | 378,688 MCF | Aug 1956 - Nov 2025 |