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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Prima Exploration, Inc. | Montana | 55,348 BBLs | 64,021 MCF | Jan 1991 - Jul 2025 |
| Prima Exploration, Inc. | North Dakota | 33,271 BBLs | 37,230 MCF | Feb 2001 - Aug 2025 |
| Prime Rock Resources La LLC | Louisiana | 2,160 BBLs | 8,992 MCF | Jun 2018 - Dec 2024 |
| Production Drilling, Inc. | Kansas | 5,944 BBLs | 0 MCF | Jan 1980 - Jun 2025 |
| Prospect Oil & Gas Corp | Kansas | 5,582 BBLs | 0 MCF | Jan 1980 - Jun 2025 |
| Proven Petroleum, Inc. | North Dakota | 2,193 BBLs | 1,124 MCF | Apr 2013 - Aug 2025 |
| Providence Operating LLC Dba Poco Operating | Colorado | 136,693 BBLs | 467,570 MCF | Jul 2018 - Jul 2025 |
| Pruet Production Co | Mississippi | 9,006 BBLs | 202 MCF | Dec 1976 - Jul 2025 |
| Pruet Production Co. | Alabama | 103,975 BBLs | 212,831 MCF | Dec 1967 - Jul 2025 |
| QB Energy Operating LLC | Colorado | 27,309 BBLs | 11,849,665 MCF | Sep 2024 - Jul 2025 |
| Quail Oil & Gas, LC | Kansas | 1,263 BBLs | 8,281 MCF | Jan 1980 - Jun 2025 |
| Quantent Energy Partners Operating LLC | Louisiana | 0 BBLs | 1,556,614 MCF | Oct 2024 - Dec 2024 |
| Quatro Osos E&P, LLC | New Mexico | 1,482 BBLs | 0 MCF | Aug 2017 - Aug 2025 |
| Quinex Energy Corp | Utah | 8,297 BBLs | 41,441 MCF | Jun 1985 - Jul 2025 |
| R & B Oil & Gas, Inc. | Kansas | 3,442 BBLs | 84,497 MCF | Jan 1980 - Jun 2025 |
| R & B Oil Company, LLC Of Texas | Louisiana | 1,233 BBLs | 0 MCF | Mar 2017 - Jan 2025 |
| R. P. Nixon Operations, Inc | Kansas | 3,396 BBLs | 0 MCF | Jan 1980 - Jun 2025 |
| R360 Environmental Solutions Of La, LLC | Louisiana | 2,720 BBLs | 0 MCF | Apr 2014 - Jan 2025 |
| Ragnar Exploration, LLC | North Dakota | 6,044 BBLs | 3,735 MCF | Jan 2023 - Aug 2025 |
| Rains & Williamson Oil Co., Inc. | Kansas | 1,302 BBLs | 1,557 MCF | Jan 1980 - Jun 2025 |
| Rama Operating Co., Inc. | Kansas | 15,004 BBLs | 4,331 MCF | Jan 1980 - Jun 2025 |
| Ramshorn Resources, LLC | Kansas | 450 BBLs | 18,487 MCF | Jan 2010 - Jun 2025 |
| Ranch Oil Company | Wyoming | 1,565 BBLs | 0 MCF | Jan 1986 - Aug 2025 |
| Raney Oil Company, LLC | Kansas | 4,713 BBLs | 0 MCF | Jan 1980 - Jun 2025 |
| Rangeview Resources Operating Co | Wyoming | 7,668 BBLs | 559,086 MCF | Jul 2022 - Jul 2025 |
| Ray Westall Operating, Inc. | New Mexico | 1,244 BBLs | 102 MCF | Oct 2012 - Jul 2025 |
| Raybaw Operating, LLC | New Mexico | 33,701 BBLs | 217,938 MCF | Oct 2020 - Aug 2025 |
| Raydon Exploration, Inc. | Kansas | 3,503 BBLs | 10,827 MCF | Feb 1980 - Jun 2025 |
| Raymond Oil Company, Inc. | Kansas | 10,050 BBLs | 0 MCF | Jan 1980 - Jun 2025 |
| Red Oak Energy, Inc. | Kansas | 2,521 BBLs | 0 MCF | Aug 1981 - Jun 2025 |
| Red Tiger Oil & Gas LLC | Wyoming | 15,369 BBLs | 0 MCF | Sep 2018 - Jul 2025 |
| Red Willow Production Company | Colorado | 0 BBLs | 3,147,465 MCF | Jan 1999 - Jul 2025 |
| Redbud Oil & Gas Operating, LLC | Kansas | 2,750 BBLs | 191,560 MCF | Jan 2010 - Jun 2025 |
| Redland Resources, LLC | Kansas | 1,919 BBLs | 12,936 MCF | Jan 1980 - Jun 2025 |
| Reefworks LLC | Michigan | 2,604 BBLs | 2,126 MCF | Jan 2022 - Aug 2025 |
| Reliable Production LLC | New Mexico | 325 BBLs | 28,184 MCF | Feb 2017 - Jul 2025 |
| Renegade Oil & Gas Company LLC | Colorado | 1,780 BBLs | 8,324 MCF | Jan 1999 - Jul 2025 |
| Resonance Exploration (North Dakota) LLC | North Dakota | 6,598 BBLs | 8,639 MCF | Dec 2014 - Sep 2025 |
| Ressler Well Service, Inc. | Kansas | 2,615 BBLs | 274 MCF | Jan 1980 - Jun 2025 |
| Reynolds E & P, Inc. | Mississippi | 1,215 BBLs | 0 MCF | Jan 2023 - Jul 2025 |
| Richardson And Son , Inc. | Kansas | 1,910 BBLs | 0 MCF | Jan 1980 - Jun 2025 |
| Richardson Operating Co | Wyoming | 9,385 BBLs | 26,458 MCF | Jan 1982 - Jul 2025 |
| Richlan Drilling, A General Partnership | Kansas | 2,568 BBLs | 0 MCF | Jan 1980 - Jun 2025 |
| Ridge Oil & Gas, LLC | Montana | 5,346 BBLs | 813,984 MCF | Feb 2022 - Jul 2025 |
| Ridgeway Arizona Oil Corp. | New Mexico | 36,826 BBLs | 66,818 MCF | Feb 2007 - Jul 2025 |
| Rierson Energy, LLC | Kansas | 2,044 BBLs | 0 MCF | Jan 1980 - Jun 2025 |
| Riley Permian Operating Company, LLC | New Mexico | 178,116 BBLs | 702,648 MCF | Jun 2018 - Jul 2025 |
| Rim Operating Inc | Wyoming | 7,977 BBLs | 387 MCF | Jan 1988 - Aug 2025 |
| Rim Operating, Inc | Colorado | 118 BBLs | 32,853 MCF | Jan 1999 - Aug 2025 |
| Rim Operating, Inc. | Montana | 6,229 BBLs | 2,861 MCF | Jan 1991 - Jul 2025 |