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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 - Mar 2026 |
| Continental Resources, Inc. | North Dakota | 4,791,335 BBLs | 19,961,763 MCF | Sep 1978 - Mar 2026 |
| Devon Energy Williston, L.L.C | North Dakota | 3,045,099 BBLs | 13,215,894 MCF | Sep 2025 - Mar 2026 |
| EOG Resources, Inc. | North Dakota | 845,708 BBLs | 1,791,129 MCF | Apr 2001 - Mar 2026 |
| Foundation Energy Management, LLC | North Dakota | 40,466 BBLs | 64,120 MCF | Jun 2016 - Mar 2026 |
| Hess Bakken Investments II, LLC | North Dakota | 3,119,108 BBLs | 12,644,012 MCF | Jan 2014 - Mar 2026 |
| Hunt Oil Company | North Dakota | 897,412 BBLs | 689,688 MCF | Aug 1956 - Mar 2026 |
| Iron Oil Operating, LLC | North Dakota | 28,204 BBLs | 7,952 MCF | Jun 2017 - Mar 2026 |
| Jettison, Inc. | North Dakota | 2,193 BBLs | 2,622 MCF | Jul 2002 - Apr 2026 |
| Lime Rock Resources III-A, L.P. | North Dakota | 247,481 BBLs | 344,687 MCF | Mar 2015 - Mar 2026 |
| Marathon Oil Company | North Dakota | 1,817,531 BBLs | 4,140,338 MCF | Jul 1979 - Mar 2026 |
| Missouri River Royalty Corporation | North Dakota | 848 BBLs | 20 MCF | Jun 1997 - Mar 2026 |
| Murex Petroleum Corporation | North Dakota | 198,322 BBLs | 556,518 MCF | Apr 2001 - Mar 2026 |
| Oasis Petroleum North America LLC | North Dakota | 2,243,660 BBLs | 6,682,722 MCF | May 2007 - Mar 2026 |
| Petro-Hunt, L.L.C. | North Dakota | 1,294,846 BBLs | 3,744,338 MCF | Feb 1983 - Mar 2026 |
| Petrogulf Corporation | North Dakota | 4,000 BBLs | 18,960 MCF | Dec 2013 - Mar 2026 |
| Phoenix Operating LLC | North Dakota | 905,111 BBLs | 1,380,145 MCF | Jan 2024 - Mar 2026 |
| Proven Petroleum, Inc. | North Dakota | 1,885 BBLs | 318 MCF | Apr 2013 - Mar 2026 |
| Silver Hill Energy Operating, LLC | North Dakota | 366,248 BBLs | 814,876 MCF | Jul 2024 - Mar 2026 |
| Slawson Exploration Company, Inc. | North Dakota | 1,376,607 BBLs | 2,441,837 MCF | Jun 1989 - Mar 2026 |
| Sogc, Inc. | North Dakota | 170,407 BBLs | 628,651 MCF | Dec 2022 - Mar 2026 |
| Stephens Williston, LLC Dba Seg Williston, LLC | North Dakota | 38,344 BBLs | 37,205 MCF | Jun 2022 - Mar 2026 |
| Swanson Oil & Gas LLC | North Dakota | 4,447 BBLs | 9,394 MCF | Dec 2025 - Mar 2026 |
| White Butte Oil Operations, LLC | North Dakota | 7,792 BBLs | 52,040 MCF | Apr 2015 - Mar 2026 |
| Whiting Oil And Gas Corporation | North Dakota | 1,437,271 BBLs | 6,128,993 MCF | Jun 2002 - Mar 2026 |
| XTO Energy Inc | North Dakota | 1,773,969 BBLs | 5,481,307 MCF | Jun 2007 - Mar 2026 |