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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Pruet Production Co | Mississippi | 3,120 BBLs | 966 MCF | Dec 1976 - Mar 2026 |
| Pruet Production Co. | Alabama | 97,343 BBLs | 180,161 MCF | Dec 1967 - Mar 2026 |
| Purewest Resources Inc | Wyoming | 139,806 BBLs | 18,913,783 MCF | Sep 1997 - Mar 2026 |
| QB Energy Operating LLC | Colorado | 28,514 BBLs | 10,190,576 MCF | Jan 1999 - Feb 2026 |
| Quail Oil & Gas, LC | Kansas | 1,261 BBLs | 7,451 MCF | Jan 1980 - Jan 2026 |
| Quantent Energy Partners Operating LLC | Louisiana | 0 BBLs | 1,556,614 MCF | Oct 2024 - Dec 2024 |
| Quinex Energy Corp | Utah | 8,163 BBLs | 38,713 MCF | Jun 1985 - Mar 2026 |
| R & B Oil & Gas, Inc. | Kansas | 9,102 BBLs | 155,861 MCF | Jan 1980 - Jan 2026 |
| R & B Oil Company, LLC Of Texas | Louisiana | 1,233 BBLs | 0 MCF | Mar 2017 - Jan 2025 |
| R. P. Nixon Operations, Inc | Kansas | 3,573 BBLs | 0 MCF | Jan 1980 - Jan 2026 |
| R3 Operating Corporation | Montana | 3,450 BBLs | 100 MCF | May 2024 - Mar 2026 |
| R360 Environmental Solutions Of La, LLC | Louisiana | 2,720 BBLs | 0 MCF | Apr 2014 - Jan 2025 |
| Ragnar Exploration, LLC | North Dakota | 5,609 BBLs | 3,230 MCF | Jan 2023 - Mar 2026 |
| Rains & Williamson Oil Co., Inc. | Kansas | 1,797 BBLs | 1,478 MCF | Jan 1980 - Jan 2026 |
| Rama Operating Co., Inc. | Kansas | 14,829 BBLs | 2,586 MCF | Jan 1980 - Jan 2026 |
| Rampike Resources LTD | Colorado | 2,810 BBLs | 0 MCF | Jan 1999 - Feb 2026 |
| Ramshorn Resources, LLC | Kansas | 667 BBLs | 33,098 MCF | Jan 2010 - Jan 2026 |
| Ranch Oil Company | Wyoming | 1,694 BBLs | 0 MCF | Jan 1986 - Apr 2026 |
| Ranch Production LLC | Michigan | 1,184 BBLs | 0 MCF | Jan 1996 - Mar 2026 |
| Raney Oil Company, LLC | Kansas | 3,737 BBLs | 0 MCF | Jan 1980 - Jan 2026 |
| Rangeview Resources Operating Co | Wyoming | 9,197 BBLs | 784,422 MCF | Jul 2022 - Mar 2026 |
| Ray Westall Operating, Inc. | New Mexico | 1,448 BBLs | 69 MCF | Oct 2012 - Mar 2026 |
| Raybaw Operating, LLC | New Mexico | 36,145 BBLs | 197,092 MCF | Oct 2020 - Mar 2026 |
| Raydon Exploration, Inc. | Kansas | 2,757 BBLs | 8,107 MCF | Feb 1980 - Jan 2026 |
| Raymond Oil Company, Inc. | Kansas | 10,047 BBLs | 0 MCF | Jan 1980 - Jan 2026 |
| Red Oak Energy, Inc. | Kansas | 2,815 BBLs | 0 MCF | Aug 1981 - Jan 2026 |
| Red Rock Resources Corporation | Michigan | 1,068 BBLs | 370 MCF | Feb 2026 - Mar 2026 |
| Red Rock Resources Corporation | Wyoming | 10,381 BBLs | 164 MCF | Feb 2026 - Mar 2026 |
| Red Rocks Oil & Gas Operating LLC | New Mexico | 0 BBLs | 210,218 MCF | Nov 2025 - Mar 2026 |
| Red Tiger Oil & Gas LLC | Wyoming | 15,798 BBLs | 0 MCF | Sep 2018 - Mar 2026 |
| Red Willow Production Company | Colorado | 0 BBLs | 2,759,365 MCF | Jan 1999 - Feb 2026 |
| Redbud Oil & Gas Operating, LLC | Kansas | 2,147 BBLs | 163,248 MCF | Jan 2010 - Jan 2026 |
| Redland Resources, LLC | Kansas | 2,659 BBLs | 10,409 MCF | Jan 1980 - Jan 2026 |
| Reilly Oil E & P | Kansas | 1,296 BBLs | 0 MCF | Jan 2020 - Jan 2026 |
| Reliable Production LLC | New Mexico | 361 BBLs | 25,283 MCF | Feb 2017 - Mar 2026 |
| Renegade Oil & Gas Company LLC | Colorado | 1,690 BBLs | 9,215 MCF | Jan 1999 - Feb 2026 |
| Resonance Exploration (North Dakota) LLC | North Dakota | 5,623 BBLs | 7,482 MCF | Dec 2014 - Apr 2026 |
| Ressler Well Service, Inc. | Kansas | 2,826 BBLs | 0 MCF | Jan 1980 - Jan 2026 |
| RH Capital-Beets, LLC | Kansas | 1,014 BBLs | 0 MCF | Sep 2014 - Jan 2026 |
| Richardson And Son , Inc. | Kansas | 2,272 BBLs | 0 MCF | Jan 1980 - Jan 2026 |
| Richlan Drilling, A General Partnership | Kansas | 2,227 BBLs | 0 MCF | Jan 1980 - Jan 2026 |
| Ridge Oil & Gas, LLC | Montana | 5,586 BBLs | 775,202 MCF | Feb 2022 - Mar 2026 |
| Rierson Energy, LLC | Kansas | 2,078 BBLs | 0 MCF | Jan 1980 - Jan 2026 |
| Riley Permian Operating Company, LLC | New Mexico | 324,668 BBLs | 1,449,460 MCF | Jun 2018 - Mar 2026 |
| Rim Operating, Inc. | Montana | 7,178 BBLs | 3,771 MCF | Jan 1991 - Mar 2026 |
| Rim Operating, Inc. | New Mexico | 1,669 BBLs | 107,075 MCF | Nov 2017 - Mar 2026 |
| Rim Operating, Inc. | North Dakota | 12,606 BBLs | 6,177 MCF | Feb 2011 - Mar 2026 |
| Ritchie Exploration, Inc. | Kansas | 37,685 BBLs | 24,690 MCF | Jan 1980 - Jan 2026 |
| River Rock Operating, LLC | Kansas | 0 BBLs | 380,571 MCF | Jan 2010 - Jan 2026 |
| RJ Energy, LLC | Kansas | 20,838 BBLs | 0 MCF | Jan 2010 - Jan 2026 |