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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Bow Petroleum, Inc. Of Colorado | North Dakota | 0 BBLs | 0 MCF | Jul 2002 - Apr 2025 |
| Continental Resources, Inc. | North Dakota | 4,866,859 BBLs | 18,078,589 MCF | Sep 1978 - Apr 2025 |
| EOG Resources, Inc. | North Dakota | 719,164 BBLs | 1,621,660 MCF | Apr 2001 - Apr 2025 |
| Foundation Energy Management, LLC | North Dakota | 45,825 BBLs | 63,847 MCF | Jun 2016 - Apr 2025 |
| Grayson Mill Operating, LLC | North Dakota | 2,223,475 BBLs | 9,975,261 MCF | Nov 2021 - Apr 2025 |
| Hess Bakken Investments II, LLC | North Dakota | 2,812,336 BBLs | 11,677,980 MCF | Jan 2014 - Apr 2025 |
| Hunt Oil Company | North Dakota | 420,479 BBLs | 384,661 MCF | Aug 1956 - Apr 2025 |
| Jettison, Inc. | North Dakota | 1,511 BBLs | 2,084 MCF | Jul 2002 - Apr 2025 |
| Lime Rock Resources III-A, L.P. | North Dakota | 268,736 BBLs | 356,546 MCF | Mar 2015 - Apr 2025 |
| Marathon Oil Company | North Dakota | 2,513,849 BBLs | 5,795,788 MCF | Jul 1979 - Apr 2025 |
| Missouri River Royalty Corporation | North Dakota | 923 BBLs | 627 MCF | Jun 1997 - Apr 2025 |
| Oasis Petroleum North America LLC | North Dakota | 2,251,324 BBLs | 6,599,963 MCF | May 2007 - Apr 2025 |
| Petro-Hunt, L.L.C. | North Dakota | 862,146 BBLs | 2,806,846 MCF | Feb 1983 - Apr 2025 |
| Petrogulf Corporation | North Dakota | 4,465 BBLs | 12,710 MCF | Dec 2013 - Apr 2025 |
| Phoenix Operating LLC | North Dakota | 434,622 BBLs | 574,443 MCF | Jan 2024 - Apr 2025 |
| Proven Petroleum, Inc. | North Dakota | 2,089 BBLs | 891 MCF | Apr 2013 - Apr 2025 |
| Silver Hill Energy Operating, LLC | North Dakota | 354,639 BBLs | 864,752 MCF | Jul 2024 - Apr 2025 |
| Slawson Exploration Company, Inc. | North Dakota | 1,103,377 BBLs | 2,240,676 MCF | Jun 1989 - Apr 2025 |
| Sogc, Inc. | North Dakota | 294,321 BBLs | 747,143 MCF | Dec 2022 - Apr 2025 |
| Stephens Williston, LLC Dba Seg Williston, LLC | North Dakota | 49,857 BBLs | 37,961 MCF | Jun 2022 - Apr 2025 |
| White Butte Oil Operations, LLC | North Dakota | 13,741 BBLs | 84,102 MCF | Apr 2015 - Apr 2025 |
| Whiting Oil And Gas Corporation | North Dakota | 1,645,696 BBLs | 6,765,696 MCF | Jun 2002 - Apr 2025 |
| WPX Energy Williston, LLC | North Dakota | 1,397,565 BBLs | 4,199,302 MCF | Apr 2011 - Apr 2025 |
| XTO Energy Inc | North Dakota | 1,678,153 BBLs | 5,902,905 MCF | Jun 2007 - Apr 2025 |