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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| BBX Operating Co. LLC | Montana | 0 BBLs | 0 MCF | Apr 2000 - Jun 2026 |
| Continental Resources Inc | Montana | 99,167 BBLs | 206,079 MCF | Jan 1991 - Jun 2026 |
| Darrah Oil Company, LLC | Montana | 684 BBLs | 0 MCF | Sep 2007 - Jun 2026 |
| Devon Energy Williston, L.L.C. | Montana | 87,621 BBLs | 92,738 MCF | Apr 2021 - Jun 2026 |
| Digital Operating Company LLC | Montana | 275 BBLs | 0 MCF | Jun 2021 - Jun 2026 |
| Foundation Energy Management, LLC | Montana | 1,131 BBLs | 727 MCF | Jan 2016 - Jun 2026 |
| Genesis St Operating LLC | Montana | 0 BBLs | 0 MCF | May 1992 - Jun 2026 |
| Granite Creek Energy LLC | Montana | 8,949 BBLs | 4,857 MCF | Mar 2024 - Jun 2026 |
| Green Valley Operating, LLC | Montana | 2,052 BBLs | 1,200 MCF | Jun 2022 - Jun 2026 |
| HK Eagle LLC | Montana | 1,380 BBLs | 0 MCF | Sep 2025 - Jun 2026 |
| Kraken Operating, LLC | Montana | 732,544 BBLs | 1,238,293 MCF | Sep 2013 - Jun 2026 |
| Missouri River Royalty Corporation | Montana | 388 BBLs | 0 MCF | Jan 1991 - Jun 2026 |
| Oasis Petroleum North America LLC | Montana | 58,658 BBLs | 81,897 MCF | Mar 2007 - Jun 2026 |
| Phoenix Operating LLC | Montana | 37,043 BBLs | 77,095 MCF | Nov 2024 - Jun 2026 |
| Prima Exploration, Inc. | Montana | 28,232 BBLs | 48,847 MCF | Jan 1991 - Jun 2026 |
| R3 Operating Corporation | Montana | 4,809 BBLs | 811 MCF | May 2024 - Jun 2026 |
| Samson Oil And Gas USA, Inc. | Montana | 6,266 BBLs | 3,132 MCF | May 2012 - Jun 2026 |
| Sinclair Oil & Gas Company | Montana | 781 BBLs | 1,421 MCF | Dec 1995 - Jun 2026 |
| Slawson Exploration Company Inc | Montana | 10,680 BBLs | 23,833 MCF | Jun 1993 - Jun 2026 |
| True Oil LLC | Montana | 7,056 BBLs | 4,925 MCF | Jan 1986 - Jun 2026 |
| Vecta Oil & Gas, LTD. | Montana | 188 BBLs | 0 MCF | Feb 2013 - Jun 2026 |
| White Rock Oil & Gas, LLC | Montana | 202,661 BBLs | 155,815 MCF | Jan 2015 - Jun 2026 |