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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Bow Petroleum, Inc. Of Colorado | North Dakota | 196 BBLs | 0 MCF | Jul 2002 - Oct 2025 |
| Continental Resources, Inc. | North Dakota | 6,075,182 BBLs | 21,195,698 MCF | Sep 1978 - Oct 2025 |
| Devon Energy Williston, L.L.C | North Dakota | 3,425,567 BBLs | 14,399,204 MCF | Sep 2025 - Oct 2025 |
| EOG Resources, Inc. | North Dakota | 835,844 BBLs | 1,750,862 MCF | Apr 2001 - Oct 2025 |
| Foundation Energy Management, LLC | North Dakota | 41,077 BBLs | 57,342 MCF | Jun 2016 - Oct 2025 |
| Hess Bakken Investments II, LLC | North Dakota | 3,009,107 BBLs | 13,530,388 MCF | Jan 2014 - Oct 2025 |
| Hunt Oil Company | North Dakota | 451,559 BBLs | 383,600 MCF | Aug 1956 - Oct 2025 |
| Jettison, Inc. | North Dakota | 1,065 BBLs | 1,651 MCF | Jul 2002 - Oct 2025 |
| Lime Rock Resources III-A, L.P. | North Dakota | 246,713 BBLs | 358,901 MCF | Mar 2015 - Oct 2025 |
| Marathon Oil Company | North Dakota | 2,031,971 BBLs | 5,202,839 MCF | Jul 1979 - Oct 2025 |
| Missouri River Royalty Corporation | North Dakota | 713 BBLs | 200 MCF | Jun 1997 - Oct 2025 |
| Murex Petroleum Corporation | North Dakota | 187,995 BBLs | 535,470 MCF | Apr 2001 - Oct 2025 |
| Oasis Petroleum North America LLC | North Dakota | 2,638,749 BBLs | 7,210,472 MCF | May 2007 - Oct 2025 |
| Petro-Hunt, L.L.C. | North Dakota | 1,004,621 BBLs | 2,855,321 MCF | Feb 1983 - Oct 2025 |
| Petrogulf Corporation | North Dakota | 4,861 BBLs | 19,838 MCF | Dec 2013 - Oct 2025 |
| Phoenix Operating LLC | North Dakota | 437,631 BBLs | 808,325 MCF | Jan 2024 - Oct 2025 |
| Proven Petroleum, Inc. | North Dakota | 2,207 BBLs | 1,143 MCF | Apr 2013 - Oct 2025 |
| Silver Hill Energy Operating, LLC | North Dakota | 447,239 BBLs | 942,892 MCF | Jul 2024 - Oct 2025 |
| Slawson Exploration Company, Inc. | North Dakota | 1,095,835 BBLs | 2,036,170 MCF | Jun 1989 - Oct 2025 |
| Sogc, Inc. | North Dakota | 187,026 BBLs | 594,558 MCF | Dec 2022 - Oct 2025 |
| Stephens Williston, LLC Dba Seg Williston, LLC | North Dakota | 40,426 BBLs | 37,146 MCF | Jun 2022 - Oct 2025 |
| White Butte Oil Operations, LLC | North Dakota | 7,547 BBLs | 38,648 MCF | Apr 2015 - Oct 2025 |
| Whiting Oil And Gas Corporation | North Dakota | 1,472,703 BBLs | 6,427,217 MCF | Jun 2002 - Oct 2025 |
| XTO Energy Inc | North Dakota | 1,471,752 BBLs | 5,422,192 MCF | Jun 2007 - Oct 2025 |