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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Bow Petroleum, Inc. Of Colorado | North Dakota | 0 BBLs | 0 MCF | Jul 2002 - Feb 2026 |
| Continental Resources, Inc. | North Dakota | 4,645,073 BBLs | 18,427,178 MCF | Sep 1978 - Feb 2026 |
| Devon Energy Williston, L.L.C | North Dakota | 2,507,643 BBLs | 11,499,911 MCF | Sep 2025 - Feb 2026 |
| EOG Resources, Inc. | North Dakota | 801,461 BBLs | 1,705,774 MCF | Apr 2001 - Feb 2026 |
| Foundation Energy Management, LLC | North Dakota | 36,363 BBLs | 53,186 MCF | Jun 2016 - Feb 2026 |
| Hess Bakken Investments II, LLC | North Dakota | 2,563,332 BBLs | 10,762,624 MCF | Jan 2014 - Feb 2026 |
| Hunt Oil Company | North Dakota | 651,517 BBLs | 481,223 MCF | Aug 1956 - Feb 2026 |
| Iron Oil Operating, LLC | North Dakota | 28,762 BBLs | 8,096 MCF | Jun 2017 - Feb 2026 |
| Jettison, Inc. | North Dakota | 1,032 BBLs | 1,378 MCF | Jul 2002 - Feb 2026 |
| Lime Rock Resources III-A, L.P. | North Dakota | 226,075 BBLs | 311,060 MCF | Mar 2015 - Feb 2026 |
| Marathon Oil Company | North Dakota | 1,705,908 BBLs | 3,704,666 MCF | Jul 1979 - Feb 2026 |
| Missouri River Royalty Corporation | North Dakota | 477 BBLs | 20 MCF | Jun 1997 - Feb 2026 |
| Murex Petroleum Corporation | North Dakota | 171,739 BBLs | 463,646 MCF | Apr 2001 - Feb 2026 |
| Oasis Petroleum North America LLC | North Dakota | 1,966,570 BBLs | 5,934,052 MCF | May 2007 - Feb 2026 |
| Petro-Hunt, L.L.C. | North Dakota | 1,091,519 BBLs | 3,132,587 MCF | Feb 1983 - Feb 2026 |
| Petrogulf Corporation | North Dakota | 4,531 BBLs | 17,135 MCF | Dec 2013 - Feb 2026 |
| Phoenix Operating LLC | North Dakota | 532,175 BBLs | 845,126 MCF | Jan 2024 - Feb 2026 |
| Proven Petroleum, Inc. | North Dakota | 1,902 BBLs | 248 MCF | Apr 2013 - Feb 2026 |
| Silver Hill Energy Operating, LLC | North Dakota | 342,929 BBLs | 699,510 MCF | Jul 2024 - Feb 2026 |
| Slawson Exploration Company, Inc. | North Dakota | 971,966 BBLs | 1,758,503 MCF | Jun 1989 - Feb 2026 |
| Sogc, Inc. | North Dakota | 148,623 BBLs | 563,323 MCF | Dec 2022 - Feb 2026 |
| Stephens Williston, LLC Dba Seg Williston, LLC | North Dakota | 32,298 BBLs | 31,663 MCF | Jun 2022 - Feb 2026 |
| Swanson Oil & Gas LLC | North Dakota | 3,002 BBLs | 7,311 MCF | Dec 2025 - Feb 2026 |
| White Butte Oil Operations, LLC | North Dakota | 5,461 BBLs | 35,085 MCF | Apr 2015 - Feb 2026 |
| Whiting Oil And Gas Corporation | North Dakota | 1,305,414 BBLs | 5,654,511 MCF | Jun 2002 - Feb 2026 |
| XTO Energy Inc | North Dakota | 1,463,522 BBLs | 4,728,556 MCF | Jun 2007 - Feb 2026 |