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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 - Dec 2025 |
| Continental Resources, Inc. | North Dakota | 5,638,362 BBLs | 20,525,149 MCF | Sep 1978 - Dec 2025 |
| Devon Energy Williston, L.L.C | North Dakota | 2,985,682 BBLs | 13,015,137 MCF | Sep 2025 - Dec 2025 |
| EOG Resources, Inc. | North Dakota | 908,794 BBLs | 1,789,363 MCF | Apr 2001 - Dec 2025 |
| Foundation Energy Management, LLC | North Dakota | 40,325 BBLs | 62,499 MCF | Jun 2016 - Dec 2025 |
| Hess Bakken Investments II, LLC | North Dakota | 2,816,259 BBLs | 12,058,766 MCF | Jan 2014 - Dec 2025 |
| Hunt Oil Company | North Dakota | 590,351 BBLs | 454,786 MCF | Aug 1956 - Dec 2025 |
| Iron Oil Operating, LLC | North Dakota | 33,533 BBLs | 7,587 MCF | Jun 2017 - Dec 2025 |
| Jettison, Inc. | North Dakota | 1,320 BBLs | 1,137 MCF | Jul 2002 - Dec 2025 |
| Lime Rock Resources III-A, L.P. | North Dakota | 259,910 BBLs | 362,535 MCF | Mar 2015 - Dec 2025 |
| Marathon Oil Company | North Dakota | 1,899,412 BBLs | 4,074,569 MCF | Jul 1979 - Dec 2025 |
| Missouri River Royalty Corporation | North Dakota | 822 BBLs | 790 MCF | Jun 1997 - Dec 2025 |
| Murex Petroleum Corporation | North Dakota | 212,212 BBLs | 536,641 MCF | Apr 2001 - Dec 2025 |
| Oasis Petroleum North America LLC | North Dakota | 2,438,597 BBLs | 6,861,553 MCF | May 2007 - Dec 2025 |
| Petro-Hunt, L.L.C. | North Dakota | 1,161,874 BBLs | 3,257,757 MCF | Feb 1983 - Dec 2025 |
| Petrogulf Corporation | North Dakota | 5,542 BBLs | 20,951 MCF | Dec 2013 - Dec 2025 |
| Phoenix Operating LLC | North Dakota | 367,276 BBLs | 676,724 MCF | Jan 2024 - Dec 2025 |
| Proven Petroleum, Inc. | North Dakota | 1,591 BBLs | 598 MCF | Apr 2013 - Dec 2025 |
| Silver Hill Energy Operating, LLC | North Dakota | 418,874 BBLs | 819,821 MCF | Jul 2024 - Dec 2025 |
| Slawson Exploration Company, Inc. | North Dakota | 823,604 BBLs | 1,533,545 MCF | Jun 1989 - Dec 2025 |
| Sogc, Inc. | North Dakota | 188,316 BBLs | 672,783 MCF | Dec 2022 - Dec 2025 |
| Stephens Williston, LLC Dba Seg Williston, LLC | North Dakota | 44,275 BBLs | 41,501 MCF | Jun 2022 - Jan 2026 |
| White Butte Oil Operations, LLC | North Dakota | 8,762 BBLs | 51,395 MCF | Apr 2015 - Dec 2025 |
| Whiting Oil And Gas Corporation | North Dakota | 1,422,840 BBLs | 6,312,056 MCF | Jun 2002 - Dec 2025 |
| XTO Energy Inc | North Dakota | 1,321,138 BBLs | 5,002,444 MCF | Jun 2007 - Dec 2025 |