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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Bow Petroleum, Inc. Of Colorado | North Dakota | 254 BBLs | 0 MCF | Jul 2002 - May 2026 |
| Continental Resources, Inc. | North Dakota | 4,133,925 BBLs | 19,011,257 MCF | Sep 1978 - May 2026 |
| Devon Energy Williston, L.L.C | North Dakota | 2,806,470 BBLs | 12,882,467 MCF | Sep 2025 - May 2026 |
| EOG Resources, Inc. | North Dakota | 937,981 BBLs | 1,970,485 MCF | Apr 2001 - May 2026 |
| Foundation Energy Management, LLC | North Dakota | 39,999 BBLs | 64,366 MCF | Jun 2016 - May 2026 |
| Hess Bakken Investments II, LLC | North Dakota | 2,926,188 BBLs | 12,869,060 MCF | Jan 2014 - May 2026 |
| Hunt Oil Company | North Dakota | 749,922 BBLs | 651,129 MCF | Aug 1956 - May 2026 |
| Iron Oil Operating, LLC | North Dakota | 23,133 BBLs | 7,603 MCF | Jun 2017 - May 2026 |
| Jettison, Inc. | North Dakota | 1,909 BBLs | 2,359 MCF | Jul 2002 - May 2026 |
| Lime Rock Resources III-A, L.P. | North Dakota | 232,238 BBLs | 334,943 MCF | Mar 2015 - May 2026 |
| Marathon Oil Company | North Dakota | 1,661,977 BBLs | 4,393,999 MCF | Jul 1979 - May 2026 |
| Missouri River Royalty Corporation | North Dakota | 851 BBLs | 20 MCF | Jun 1997 - May 2026 |
| Murex Petroleum Corporation | North Dakota | 174,351 BBLs | 488,386 MCF | Apr 2001 - May 2026 |
| Oasis Petroleum North America LLC | North Dakota | 2,001,185 BBLs | 6,269,908 MCF | May 2007 - May 2026 |
| Petro-Hunt, L.L.C. | North Dakota | 1,246,679 BBLs | 3,912,062 MCF | Feb 1983 - May 2026 |
| Petrogulf Corporation | North Dakota | 4,667 BBLs | 0 MCF | Dec 2013 - May 2026 |
| Phoenix Operating LLC | North Dakota | 688,229 BBLs | 1,100,149 MCF | Jan 2024 - May 2026 |
| Proven Petroleum, Inc. | North Dakota | 1,781 BBLs | 318 MCF | Apr 2013 - May 2026 |
| Silver Hill Energy Operating, LLC | North Dakota | 349,268 BBLs | 768,382 MCF | Jul 2024 - May 2026 |
| Slawson Exploration Company, Inc. | North Dakota | 1,305,711 BBLs | 2,575,572 MCF | Jun 1989 - May 2026 |
| Sogc, Inc. | North Dakota | 141,150 BBLs | 540,815 MCF | Dec 2022 - May 2026 |
| Stephens Williston, LLC Dba Seg Williston, LLC | North Dakota | 34,780 BBLs | 33,071 MCF | Jun 2022 - May 2026 |
| Swanson Oil & Gas LLC | North Dakota | 4,165 BBLs | 9,130 MCF | Dec 2025 - May 2026 |
| White Butte Oil Operations, LLC | North Dakota | 12,008 BBLs | 94,737 MCF | Apr 2015 - May 2026 |
| Whiting Oil And Gas Corporation | North Dakota | 1,334,735 BBLs | 5,942,470 MCF | Jun 2002 - May 2026 |
| XTO Energy Inc | North Dakota | 2,170,115 BBLs | 6,312,524 MCF | Jun 2007 - May 2026 |