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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Bow Petroleum, Inc. Of Colorado | North Dakota | 310 BBLs | 0 MCF | Jul 2002 - Jun 2025 |
| Continental Resources, Inc. | North Dakota | 5,657,039 BBLs | 18,915,165 MCF | Sep 1978 - Jun 2025 |
| EOG Resources, Inc. | North Dakota | 679,569 BBLs | 1,637,072 MCF | Apr 2001 - Jun 2025 |
| Foundation Energy Management, LLC | North Dakota | 42,065 BBLs | 61,305 MCF | Jun 2016 - Jun 2025 |
| Grayson Mill Operating, LLC | North Dakota | 1,979,604 BBLs | 9,274,933 MCF | Nov 2021 - Jun 2025 |
| Hess Bakken Investments II, LLC | North Dakota | 2,805,199 BBLs | 12,120,763 MCF | Jan 2014 - Jun 2025 |
| Hunt Oil Company | North Dakota | 554,083 BBLs | 513,289 MCF | Aug 1956 - Jun 2025 |
| Jettison, Inc. | North Dakota | 1,289 BBLs | 1,544 MCF | Jul 2002 - Jun 2025 |
| Lime Rock Resources III-A, L.P. | North Dakota | 252,086 BBLs | 341,804 MCF | Mar 2015 - Jun 2025 |
| Marathon Oil Company | North Dakota | 2,124,006 BBLs | 5,308,421 MCF | Jul 1979 - Jun 2025 |
| Missouri River Royalty Corporation | North Dakota | 883 BBLs | 862 MCF | Jun 1997 - Jun 2025 |
| Murex Petroleum Corporation | North Dakota | 178,675 BBLs | 481,187 MCF | Apr 2001 - Jun 2025 |
| Oasis Petroleum North America LLC | North Dakota | 2,288,967 BBLs | 6,823,798 MCF | May 2007 - Jun 2025 |
| Petro-Hunt, L.L.C. | North Dakota | 799,458 BBLs | 2,659,229 MCF | Feb 1983 - Jun 2025 |
| Petrogulf Corporation | North Dakota | 5,262 BBLs | 15,988 MCF | Dec 2013 - Jun 2025 |
| Phoenix Operating LLC | North Dakota | 466,182 BBLs | 706,435 MCF | Jan 2024 - Jun 2025 |
| Proven Petroleum, Inc. | North Dakota | 1,887 BBLs | 1,022 MCF | Apr 2013 - Jun 2025 |
| Silver Hill Energy Operating, LLC | North Dakota | 263,349 BBLs | 700,115 MCF | Jul 2024 - Jun 2025 |
| Slawson Exploration Company, Inc. | North Dakota | 823,199 BBLs | 1,510,584 MCF | Jun 1989 - Jun 2025 |
| Sogc, Inc. | North Dakota | 252,840 BBLs | 675,190 MCF | Dec 2022 - Jun 2025 |
| Stephens Williston, LLC Dba Seg Williston, LLC | North Dakota | 52,751 BBLs | 47,914 MCF | Jun 2022 - Jun 2025 |
| White Butte Oil Operations, LLC | North Dakota | 5,698 BBLs | 30,266 MCF | Apr 2015 - Jun 2025 |
| Whiting Oil And Gas Corporation | North Dakota | 1,577,938 BBLs | 6,929,477 MCF | Jun 2002 - Jun 2025 |
| WPX Energy Williston, LLC | North Dakota | 1,157,687 BBLs | 3,883,877 MCF | Apr 2011 - Jun 2025 |
| XTO Energy Inc | North Dakota | 1,476,344 BBLs | 5,464,517 MCF | Jun 2007 - Jun 2025 |