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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Abraxas Petroleum Corp. | North Dakota | 372 BBLs | 0 MCF | Nov 1980 - May 2026 |
| Burnett Energy Inc. | North Dakota | 1,476 BBLs | 100 MCF | Jul 2002 - May 2026 |
| Chaco Energy Company | North Dakota | 704 BBLs | 0 MCF | Jun 2022 - May 2026 |
| Citation Oil & Gas Corp. | North Dakota | 15,365 BBLs | 7,824 MCF | Oct 1996 - May 2026 |
| Cobra Oil & Gas Corporation | North Dakota | 84,936 BBLs | 40,369 MCF | Dec 2015 - 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 |
| Enerplus Resources USA Corporation | North Dakota | 1,966,247 BBLs | 4,276,718 MCF | Mar 2006 - May 2026 |
| Gadeco, LLC | North Dakota | 1,980 BBLs | 5,021 MCF | Jul 2012 - May 2026 |
| Galaxy Oil | North Dakota | 2 BBLs | 1 MCF | Feb 2007 - 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 |
| Koda Resources Operating, LLC | North Dakota | 322,294 BBLs | 438,120 MCF | Sep 2019 - May 2026 |
| Kraken Operating, LLC | North Dakota | 819,283 BBLs | 2,174,343 MCF | Sep 2016 - May 2026 |
| Liberty Resources Management Company, LLC | North Dakota | 2,371 BBLs | 1,187 MCF | Jun 2014 - May 2026 |
| Mercury Resources LLC | North Dakota | 11,934 BBLs | 28,559 MCF | Dec 2018 - May 2026 |
| Murex Petroleum Corporation | North Dakota | 174,351 BBLs | 488,386 MCF | Apr 2001 - May 2026 |
| Neptune Operating LLC | North Dakota | 551,955 BBLs | 1,560,479 MCF | Jan 2023 - May 2026 |
| Oasis Petroleum North America LLC | North Dakota | 2,001,185 BBLs | 6,269,908 MCF | May 2007 - May 2026 |
| Paul Rankin Inc. | North Dakota | 1,580 BBLs | 65 MCF | May 2002 - May 2026 |
| Petro-Hunt, L.L.C. | North Dakota | 1,246,679 BBLs | 3,912,062 MCF | Feb 1983 - May 2026 |
| Phoenix Operating LLC | North Dakota | 688,229 BBLs | 1,100,149 MCF | Jan 2024 - May 2026 |
| Phoenix Petroleum, LLC | North Dakota | 5,833 BBLs | 4,487 MCF | Jul 2019 - May 2026 |
| Prima Exploration, Inc. | North Dakota | 23,092 BBLs | 27,560 MCF | Feb 2001 - May 2026 |
| Proven Petroleum, Inc. | North Dakota | 1,781 BBLs | 318 MCF | Apr 2013 - May 2026 |
| Rim Operating, Inc. | North Dakota | 14,060 BBLs | 6,792 MCF | Feb 2011 - May 2026 |
| Scout Energy Management LLC | North Dakota | 80,659 BBLs | 25,505 MCF | May 2016 - 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 |
| Springline Operating LLC | North Dakota | 13,314 BBLs | 6,655 MCF | Feb 2026 - May 2026 |
| Stearns Oil Company LLC | North Dakota | 1,318 BBLs | 1,080 MCF | Nov 2021 - May 2026 |
| Swanson Oil & Gas LLC | North Dakota | 4,165 BBLs | 9,130 MCF | Dec 2025 - May 2026 |
| White Rock Oil & Gas, LLC | North Dakota | 82,784 BBLs | 73,868 MCF | Sep 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 |
| Zavanna Energy Operating, LLC | North Dakota | 201,923 BBLs | 771,425 MCF | Apr 2025 - May 2026 |