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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Abraxas Petroleum Corp. | North Dakota | 127 BBLs | 0 MCF | Nov 1980 - Mar 2026 |
| Burnett Energy Inc. | North Dakota | 882 BBLs | 70 MCF | Jul 2002 - Mar 2026 |
| Chaco Energy Company | North Dakota | 585 BBLs | 0 MCF | Jun 2022 - Mar 2026 |
| Citation Oil & Gas Corp. | North Dakota | 14,940 BBLs | 6,553 MCF | Oct 1996 - Mar 2026 |
| Cobra Oil & Gas Corporation | North Dakota | 84,462 BBLs | 39,540 MCF | Dec 2015 - 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 |
| Enerplus Resources USA Corporation | North Dakota | 1,936,895 BBLs | 4,299,476 MCF | Mar 2006 - Mar 2026 |
| Gadeco, LLC | North Dakota | 1,880 BBLs | 4,893 MCF | Jul 2012 - Mar 2026 |
| Galaxy Oil | North Dakota | 0 BBLs | 0 MCF | Feb 2007 - Apr 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 |
| Koda Resources Operating, LLC | North Dakota | 332,593 BBLs | 301,766 MCF | Sep 2019 - Mar 2026 |
| Kraken Operating, LLC | North Dakota | 979,654 BBLs | 2,367,456 MCF | Sep 2016 - Mar 2026 |
| Liberty Resources Management Company, LLC | North Dakota | 2,287 BBLs | 1,144 MCF | Jun 2014 - Apr 2026 |
| Mercury Resources LLC | North Dakota | 12,771 BBLs | 28,986 MCF | Dec 2018 - Mar 2026 |
| Murex Petroleum Corporation | North Dakota | 198,322 BBLs | 556,518 MCF | Apr 2001 - Mar 2026 |
| Neptune Operating LLC | North Dakota | 626,500 BBLs | 1,602,524 MCF | Jan 2023 - Mar 2026 |
| Oasis Petroleum North America LLC | North Dakota | 2,243,660 BBLs | 6,682,722 MCF | May 2007 - Mar 2026 |
| Paul Rankin Inc. | North Dakota | 484 BBLs | 38 MCF | May 2002 - Mar 2026 |
| Petro-Hunt, L.L.C. | North Dakota | 1,294,846 BBLs | 3,744,338 MCF | Feb 1983 - Mar 2026 |
| Phoenix Operating LLC | North Dakota | 905,111 BBLs | 1,380,145 MCF | Jan 2024 - Mar 2026 |
| Phoenix Petroleum, LLC | North Dakota | 7,228 BBLs | 5,845 MCF | Jul 2019 - Mar 2026 |
| Prima Exploration, Inc. | North Dakota | 21,970 BBLs | 27,071 MCF | Feb 2001 - Mar 2026 |
| Proven Petroleum, Inc. | North Dakota | 1,885 BBLs | 318 MCF | Apr 2013 - Mar 2026 |
| Rim Operating, Inc. | North Dakota | 12,606 BBLs | 6,177 MCF | Feb 2011 - Mar 2026 |
| Scout Energy Management LLC | North Dakota | 82,757 BBLs | 28,741 MCF | May 2016 - 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 |
| Springline Operating LLC | North Dakota | 11,484 BBLs | 5,741 MCF | Feb 2026 - Mar 2026 |
| Stearns Oil Company LLC | North Dakota | 1,908 BBLs | 1,080 MCF | Nov 2021 - Mar 2026 |
| Swanson Oil & Gas LLC | North Dakota | 4,447 BBLs | 9,394 MCF | Dec 2025 - Mar 2026 |
| White Rock Oil & Gas, LLC | North Dakota | 78,376 BBLs | 65,785 MCF | Sep 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 |
| Zavanna Energy Operating, LLC | North Dakota | 225,632 BBLs | 818,877 MCF | Apr 2025 - Mar 2026 |