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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Prospect Oil & Gas Corp | Kansas | 5,582 BBLs | 0 MCF | Jan 1980 - Jun 2025 |
| Proven Petroleum, Inc. | North Dakota | 1,668 BBLs | 737 MCF | Apr 2013 - Sep 2025 |
| Providence Operating LLC Dba Poco Operating | Colorado | 74,676 BBLs | 359,795 MCF | Jan 1999 - Sep 2025 |
| Pruet Production Co | Mississippi | 8,623 BBLs | 485 MCF | Dec 1976 - Sep 2025 |
| Pruet Production Co. | Alabama | 110,280 BBLs | 219,950 MCF | Dec 1967 - Sep 2025 |
| Purewest Resources Inc | Wyoming | 135,643 BBLs | 18,073,677 MCF | Sep 1997 - Sep 2025 |
| QB Energy Operating LLC | Colorado | 26,234 BBLs | 11,019,562 MCF | Jan 1999 - Sep 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 | 1,427 BBLs | 0 MCF | Aug 2017 - Sep 2025 |
| Quinex Energy Corp | Utah | 7,047 BBLs | 38,898 MCF | Jun 1985 - Sep 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 |
| R3 Operating Corporation | Montana | 7,230 BBLs | 4,770 MCF | May 2024 - Sep 2025 |
| R360 Environmental Solutions Of La, LLC | Louisiana | 2,720 BBLs | 0 MCF | Apr 2014 - Jan 2025 |
| Ragnar Exploration, LLC | North Dakota | 5,705 BBLs | 3,497 MCF | Jan 2023 - Sep 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 | 1,803 BBLs | 0 MCF | Jan 1986 - Oct 2025 |
| Raney Oil Company, LLC | Kansas | 4,713 BBLs | 0 MCF | Jan 1980 - Jun 2025 |
| Rangeview Resources Operating Co | Wyoming | 8,428 BBLs | 622,047 MCF | Jul 2022 - Sep 2025 |
| Ray Westall Operating, Inc. | New Mexico | 1,355 BBLs | 153 MCF | Oct 2012 - Sep 2025 |
| Raybaw Operating, LLC | New Mexico | 31,601 BBLs | 200,044 MCF | Oct 2020 - Sep 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 | 13,044 BBLs | 0 MCF | Sep 2018 - Sep 2025 |
| Red Willow Production Company | Colorado | 0 BBLs | 2,788,656 MCF | Jan 1999 - Sep 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 |
| Reliable Production LLC | New Mexico | 158 BBLs | 26,607 MCF | Feb 2017 - Sep 2025 |
| Remora Operating LLC | Mississippi | 1,403 BBLs | 0 MCF | Jan 2024 - Aug 2025 |
| Renegade Oil & Gas Company LLC | Colorado | 2,193 BBLs | 9,970 MCF | Jan 1999 - Sep 2025 |
| Resonance Exploration (North Dakota) LLC | North Dakota | 6,252 BBLs | 8,185 MCF | Dec 2014 - Oct 2025 |
| Ressler Well Service, Inc. | Kansas | 2,615 BBLs | 274 MCF | Jan 1980 - Jun 2025 |
| Richardson And Son , Inc. | Kansas | 1,910 BBLs | 0 MCF | Jan 1980 - Jun 2025 |
| Richardson Operating Co | New Mexico | 0 BBLs | 29,665 MCF | Jan 1993 - Sep 2025 |
| Richlan Drilling, A General Partnership | Kansas | 2,568 BBLs | 0 MCF | Jan 1980 - Jun 2025 |
| Ridge Oil & Gas, LLC | Montana | 6,077 BBLs | 785,560 MCF | Feb 2022 - Sep 2025 |
| Ridge Oil & Gas, LLC Dba Ridge Energy | North Dakota | 0 BBLs | 23,791 MCF | Jun 2025 - Sep 2025 |
| Ridgeway Arizona Oil Corp. | New Mexico | 36,442 BBLs | 64,451 MCF | Feb 2007 - Sep 2025 |
| Rierson Energy, LLC | Kansas | 2,044 BBLs | 0 MCF | Jan 1980 - Jun 2025 |
| Riley Permian Operating Company, LLC | New Mexico | 301,290 BBLs | 1,065,544 MCF | Jun 2018 - Sep 2025 |
| Rim Operating Inc | Wyoming | 8,710 BBLs | 392 MCF | Jan 1988 - Sep 2025 |
| Rim Operating, Inc | Colorado | 155 BBLs | 31,578 MCF | Jan 1999 - Sep 2025 |
| Rim Operating, Inc. | Montana | 4,224 BBLs | 1,717 MCF | Jan 1991 - Sep 2025 |
| Rim Operating, Inc. | New Mexico | 1,212 BBLs | 122,111 MCF | Nov 2017 - Sep 2025 |
| Rim Operating, Inc. | North Dakota | 12,679 BBLs | 6,404 MCF | Feb 2011 - Sep 2025 |