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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Abraxas Petroleum Corp. | North Dakota | 295 BBLs | 0 MCF | Nov 1980 - Dec 2025 |
| Burnett Energy Inc. | North Dakota | 524 BBLs | 45 MCF | Jul 2002 - Dec 2025 |
| Chaco Energy Company | North Dakota | 534 BBLs | 0 MCF | Jun 2022 - Jan 2026 |
| Citation Oil & Gas Corp. | North Dakota | 15,325 BBLs | 7,997 MCF | Oct 1996 - Dec 2025 |
| Cobra Oil & Gas Corporation | North Dakota | 88,291 BBLs | 39,092 MCF | Dec 2015 - Jan 2026 |
| 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 |
| Enerplus Resources USA Corporation | North Dakota | 1,747,775 BBLs | 3,727,307 MCF | Mar 2006 - Dec 2025 |
| Gadeco, LLC | North Dakota | 2,274 BBLs | 5,225 MCF | Jul 2012 - Dec 2025 |
| Galaxy Oil | North Dakota | 25 BBLs | 12 MCF | Feb 2007 - 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 |
| Koda Resources Operating, LLC | North Dakota | 347,197 BBLs | 425,764 MCF | Sep 2019 - Dec 2025 |
| Kraken Operating, LLC | North Dakota | 1,045,008 BBLs | 2,411,244 MCF | Sep 2016 - Dec 2025 |
| Liberty Resources Management Company, LLC | North Dakota | 1,028 BBLs | 514 MCF | Jun 2014 - Dec 2025 |
| Mercury Resources LLC | North Dakota | 9,699 BBLs | 18,262 MCF | Dec 2018 - Dec 2025 |
| Murex Petroleum Corporation | North Dakota | 212,212 BBLs | 536,641 MCF | Apr 2001 - Dec 2025 |
| Neptune Operating LLC | North Dakota | 692,993 BBLs | 1,660,316 MCF | Jan 2023 - Dec 2025 |
| Oasis Petroleum North America LLC | North Dakota | 2,438,597 BBLs | 6,861,553 MCF | May 2007 - Dec 2025 |
| Paul Rankin Inc. | North Dakota | 104 BBLs | 4 MCF | May 2002 - Dec 2025 |
| Petro-Hunt, L.L.C. | North Dakota | 1,161,874 BBLs | 3,257,757 MCF | Feb 1983 - Dec 2025 |
| Phoenix Operating LLC | North Dakota | 367,276 BBLs | 676,724 MCF | Jan 2024 - Dec 2025 |
| Phoenix Petroleum, LLC | North Dakota | 6,047 BBLs | 4,887 MCF | Jul 2019 - Dec 2025 |
| Prima Exploration, Inc. | North Dakota | 24,239 BBLs | 26,866 MCF | Feb 2001 - Dec 2025 |
| Proven Petroleum, Inc. | North Dakota | 1,591 BBLs | 598 MCF | Apr 2013 - Dec 2025 |
| Rim Operating, Inc. | North Dakota | 14,284 BBLs | 6,900 MCF | Feb 2011 - Dec 2025 |
| Samson Oil And Gas USA, Inc | North Dakota | 12,404 BBLs | 6,203 MCF | Sep 2013 - Dec 2025 |
| Scout Energy Management LLC | North Dakota | 79,549 BBLs | 27,682 MCF | May 2016 - 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 |
| Stearns Oil Company LLC | North Dakota | 2,287 BBLs | 810 MCF | Nov 2021 - Dec 2025 |
| Stephens Williston, LLC Dba Seg Williston, LLC | North Dakota | 44,275 BBLs | 41,501 MCF | Jun 2022 - Jan 2026 |
| White Rock Oil & Gas, LLC | North Dakota | 86,374 BBLs | 80,604 MCF | Sep 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 |
| Zavanna Energy Operating, LLC | North Dakota | 0 BBLs | 0 MCF | Apr 2025 - Dec 2025 |
| Zavanna, LLC | North Dakota | 286,622 BBLs | 910,191 MCF | Apr 2007 - Dec 2025 |