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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Prima Exploration, Inc. | North Dakota | 24,239 BBLs | 26,866 MCF | Feb 2001 - Dec 2025 |
| Prime Rock Resources La LLC | Louisiana | 2,160 BBLs | 8,992 MCF | Jun 2018 - Dec 2024 |
| Production Drilling, Inc. | Kansas | 4,371 BBLs | 0 MCF | Jan 1980 - Sep 2025 |
| Prospect Oil & Gas Corp | Kansas | 4,497 BBLs | 0 MCF | Jan 1980 - Sep 2025 |
| Proven Petroleum, Inc. | North Dakota | 1,591 BBLs | 598 MCF | Apr 2013 - Dec 2025 |
| Pruet Production Co | Mississippi | 6,441 BBLs | 48 MCF | Dec 1976 - Dec 2025 |
| Pruet Production Co. | Alabama | 110,280 BBLs | 219,950 MCF | Dec 1967 - Oct 2025 |
| Purewest Resources Inc | Wyoming | 141,916 BBLs | 18,828,074 MCF | Sep 1997 - Nov 2025 |
| QB Energy Operating LLC | Colorado | 26,621 BBLs | 10,103,970 MCF | Jan 1999 - Dec 2025 |
| Quail Oil & Gas, LC | Kansas | 1,111 BBLs | 7,908 MCF | Jan 1980 - Sep 2025 |
| Quantent Energy Partners Operating LLC | Louisiana | 0 BBLs | 1,556,614 MCF | Oct 2024 - Dec 2024 |
| Quinex Energy Corp | Utah | 7,447 BBLs | 32,534 MCF | Jun 1985 - Dec 2025 |
| R & B Oil & Gas, Inc. | Kansas | 3,115 BBLs | 72,500 MCF | Jan 1980 - Sep 2025 |
| R & B Oil Company, LLC Of Texas | Louisiana | 1,233 BBLs | 0 MCF | Mar 2017 - Jan 2025 |
| R. P. Nixon Operations, Inc | Kansas | 2,919 BBLs | 0 MCF | Jan 1980 - Sep 2025 |
| R3 Operating Corporation | Montana | 4,539 BBLs | 1,960 MCF | May 2024 - Dec 2025 |
| R360 Environmental Solutions Of La, LLC | Louisiana | 2,720 BBLs | 0 MCF | Apr 2014 - Jan 2025 |
| Ragnar Exploration, LLC | North Dakota | 5,315 BBLs | 3,153 MCF | Jan 2023 - Dec 2025 |
| Rains & Williamson Oil Co., Inc. | Kansas | 1,131 BBLs | 1,833 MCF | Jan 1980 - Sep 2025 |
| Rama Operating Co., Inc. | Kansas | 13,933 BBLs | 3,515 MCF | Jan 1980 - Sep 2025 |
| Rampike Resources LTD | Colorado | 2,740 BBLs | 0 MCF | Jan 1999 - Nov 2025 |
| Ramshorn Resources, LLC | Kansas | 798 BBLs | 37,372 MCF | Jan 2010 - Sep 2025 |
| Ranch Oil Company | Wyoming | 1,689 BBLs | 0 MCF | Jan 1986 - Jan 2026 |
| Ranck Oil Company, Inc. | Montana | 98 BBLs | 19,609 MCF | Jan 1991 - Dec 2025 |
| Raney Oil Company, LLC | Kansas | 4,591 BBLs | 0 MCF | Jan 1980 - Sep 2025 |
| Rangeview Resources Operating Co | Wyoming | 8,437 BBLs | 678,775 MCF | Jul 2022 - Nov 2025 |
| Raybaw Operating, LLC | New Mexico | 39,779 BBLs | 141,418 MCF | Oct 2020 - Dec 2025 |
| Raydon Exploration, Inc. | Kansas | 3,834 BBLs | 8,862 MCF | Feb 1980 - Sep 2025 |
| Raymond Oil Company, Inc. | Kansas | 9,264 BBLs | 0 MCF | Jan 1980 - Sep 2025 |
| Red Hills Resources, Inc. | Kansas | 164 BBLs | 15,178 MCF | Jan 1980 - Sep 2025 |
| Red Oak Energy, Inc. | Kansas | 2,260 BBLs | 0 MCF | Aug 1981 - Sep 2025 |
| Red Tiger Oil & Gas LLC | Wyoming | 16,080 BBLs | 0 MCF | Sep 2018 - Dec 2025 |
| Red Willow Production Company | Colorado | 0 BBLs | 2,835,619 MCF | Jan 1999 - Nov 2025 |
| Redbud Oil & Gas Operating, LLC | Kansas | 2,434 BBLs | 183,745 MCF | Jan 2010 - Sep 2025 |
| Redland Resources, LLC | Kansas | 2,456 BBLs | 10,470 MCF | Jan 1980 - Sep 2025 |
| Reliable Production LLC | New Mexico | 301 BBLs | 21,661 MCF | Feb 2017 - Dec 2025 |
| Remuda Energy Development LLC | North Dakota | 0 BBLs | 11,879 MCF | Aug 2013 - Dec 2025 |
| Renegade Oil & Gas Company LLC | Colorado | 1,885 BBLs | 9,267 MCF | Jan 1999 - Dec 2025 |
| Resonance Exploration (North Dakota) LLC | North Dakota | 6,241 BBLs | 8,657 MCF | Dec 2014 - Jan 2026 |
| Ressler Well Service, Inc. | Kansas | 2,788 BBLs | 0 MCF | Jan 1980 - Sep 2025 |
| Rhombus Operating Co LTD | New Mexico | 2,983 BBLs | 2,621 MCF | Jan 1993 - Dec 2025 |
| Richardson And Son , Inc. | Kansas | 2,231 BBLs | 0 MCF | Jan 1980 - Sep 2025 |
| Richardson Operating Co | Wyoming | 8,648 BBLs | 18,924 MCF | Jan 1982 - Nov 2025 |
| Richlan Drilling, A General Partnership | Kansas | 1,758 BBLs | 0 MCF | Jan 1980 - Sep 2025 |
| Ridge Oil & Gas, LLC | Montana | 0 BBLs | 774,620 MCF | Feb 2022 - Dec 2025 |
| Ridge Oil & Gas, LLC Dba Ridge Energy | North Dakota | 0 BBLs | 23,928 MCF | Jun 2025 - Dec 2025 |
| Ridgeway Arizona Oil Corp. | New Mexico | 29,552 BBLs | 44,406 MCF | Feb 2007 - Dec 2025 |
| Rierson Energy, LLC | Kansas | 1,267 BBLs | 0 MCF | Jan 1980 - Sep 2025 |
| Riley Permian Operating Company, LLC | New Mexico | 353,474 BBLs | 1,415,857 MCF | Jun 2018 - Dec 2025 |
| Rim Operating Inc | Wyoming | 7,091 BBLs | 432 MCF | Jan 1988 - Dec 2025 |