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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Bow Petroleum, Inc. Of Colorado | North Dakota | 119 BBLs | 0 MCF | Jul 2002 - Jul 2026 |
| Continental Resources, Inc. | North Dakota | 4,302,306 BBLs | 18,927,581 MCF | Sep 1978 - Jul 2026 |
| Devon Energy Williston, L.L.C. | North Dakota | 2,695,127 BBLs | 12,256,246 MCF | Sep 2025 - Jul 2026 |
| EOG Resources, Inc. | North Dakota | 883,223 BBLs | 1,893,184 MCF | Apr 2001 - Jul 2026 |
| Foundation Energy Management, LLC | North Dakota | 38,894 BBLs | 60,379 MCF | Jun 2016 - Jul 2026 |
| Hess Bakken Investments II, LLC | North Dakota | 2,596,791 BBLs | 11,923,421 MCF | Jan 2014 - Jul 2026 |
| Hunt Oil Company | North Dakota | 630,784 BBLs | 597,292 MCF | Aug 1956 - Jul 2026 |
| Iron Oil Operating, LLC | North Dakota | 10,987 BBLs | 3,451 MCF | Jun 2017 - Jul 2026 |
| Jettison, Inc. | North Dakota | 1,819 BBLs | 2,325 MCF | Jul 2002 - Jul 2026 |
| Lime Rock Resources III-A, L.P. | North Dakota | 218,420 BBLs | 335,903 MCF | Mar 2015 - Jul 2026 |
| Marathon Oil Company | North Dakota | 1,670,729 BBLs | 4,380,206 MCF | Jul 1979 - Jul 2026 |
| Missouri River Royalty Corporation | North Dakota | 823 BBLs | 20 MCF | Jun 1997 - Jul 2026 |
| Murex Petroleum Corporation | North Dakota | 157,385 BBLs | 441,196 MCF | Apr 2001 - Jul 2026 |
| Oasis Petroleum North America LLC | North Dakota | 1,994,085 BBLs | 6,067,649 MCF | May 2007 - Jul 2026 |
| Petro-Hunt, L.L.C. | North Dakota | 1,186,461 BBLs | 3,875,576 MCF | Feb 1983 - Jul 2026 |
| Petrogulf Corporation | North Dakota | 4,341 BBLs | 18,405 MCF | Dec 2013 - Jul 2026 |
| Phoenix Operating LLC | North Dakota | 812,423 BBLs | 1,222,932 MCF | Jan 2024 - Jul 2026 |
| Proven Petroleum, Inc. | North Dakota | 1,648 BBLs | 224 MCF | Apr 2013 - Jul 2026 |
| Silver Hill Energy Operating, LLC | North Dakota | 376,182 BBLs | 798,290 MCF | Jul 2024 - Jul 2026 |
| Slawson Exploration Company, Inc. | North Dakota | 1,134,366 BBLs | 2,382,980 MCF | Jun 1989 - Jul 2026 |
| Sogc, Inc. | North Dakota | 136,970 BBLs | 502,459 MCF | Dec 2022 - Jul 2026 |
| Stephens Williston, LLC Dba Seg Williston, LLC | North Dakota | 31,216 BBLs | 28,650 MCF | Jun 2022 - Jul 2026 |
| Swanson Oil & Gas LLC | North Dakota | 3,395 BBLs | 7,858 MCF | Dec 2025 - Jul 2026 |
| White Butte Oil Operations, LLC | North Dakota | 10,515 BBLs | 66,436 MCF | Apr 2015 - Jul 2026 |
| Whiting Oil And Gas Corporation | North Dakota | 1,360,191 BBLs | 5,854,841 MCF | Jun 2002 - Jul 2026 |
| XTO Energy Inc | North Dakota | 2,380,930 BBLs | 6,474,085 MCF | Jun 2007 - Jul 2026 |