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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Production Drilling, Inc. | Kansas | 4,327 BBLs | 0 MCF | Jan 1980 - Mar 2026 |
| Prospect Oil & Gas Corp | Kansas | 3,622 BBLs | 0 MCF | Jan 1980 - Mar 2026 |
| Proven Petroleum, Inc. | North Dakota | 1,781 BBLs | 318 MCF | Apr 2013 - May 2026 |
| Pruet Production Co | Mississippi | 2,842 BBLs | 1,050 MCF | Dec 1976 - Apr 2026 |
| Pruet Production Co. | Alabama | 97,343 BBLs | 180,161 MCF | Dec 1967 - Mar 2026 |
| Purewest Resources Inc | Wyoming | 121,212 BBLs | 16,944,346 MCF | Sep 1997 - Apr 2026 |
| QB Energy Operating LLC | Colorado | 33,949 BBLs | 10,974,036 MCF | Jan 1999 - Mar 2026 |
| Quail Oil & Gas, LC | Kansas | 1,285 BBLs | 5,481 MCF | Jan 1980 - Mar 2026 |
| Quantent Energy Partners Operating LLC | Louisiana | 0 BBLs | 1,556,614 MCF | Oct 2024 - Dec 2024 |
| Quatro Osos E&P, LLC | New Mexico | 1,190 BBLs | 0 MCF | Aug 2017 - Apr 2026 |
| Quinex Energy Corp | Utah | 7,302 BBLs | 33,725 MCF | Jun 1985 - Apr 2026 |
| R & B Oil & Gas, Inc. | Kansas | 4,720 BBLs | 151,647 MCF | Jan 1980 - Mar 2026 |
| R & B Oil Company, LLC Of Texas | Louisiana | 1,233 BBLs | 0 MCF | Mar 2017 - Jan 2025 |
| R. P. Nixon Operations, Inc | Kansas | 2,972 BBLs | 0 MCF | Jan 1980 - Mar 2026 |
| R3 Operating Corporation | Montana | 4,979 BBLs | 443 MCF | May 2024 - Apr 2026 |
| R360 Environmental Solutions Of La, LLC | Louisiana | 2,720 BBLs | 0 MCF | Apr 2014 - Jan 2025 |
| Ragnar Exploration, LLC | North Dakota | 4,849 BBLs | 3,013 MCF | Jan 2023 - May 2026 |
| Rains & Williamson Oil Co., Inc. | Kansas | 1,134 BBLs | 1,383 MCF | Jan 1980 - Mar 2026 |
| Rama Operating Co., Inc. | Kansas | 12,016 BBLs | 2,382 MCF | Jan 1980 - Mar 2026 |
| Ramshorn Resources, LLC | Kansas | 511 BBLs | 28,119 MCF | Jan 2010 - Mar 2026 |
| Ranch Oil Company | Wyoming | 1,606 BBLs | 0 MCF | Jan 1986 - May 2026 |
| Ranch Production LLC | Michigan | 1,000 BBLs | 0 MCF | Jan 1996 - May 2026 |
| Raney Oil Company, LLC | Kansas | 3,305 BBLs | 0 MCF | Jan 1980 - Mar 2026 |
| Rangeview Resources Operating Co | Wyoming | 9,094 BBLs | 714,343 MCF | Jul 2022 - Apr 2026 |
| Ray Westall Operating, Inc. | New Mexico | 1,177 BBLs | 89 MCF | Oct 2012 - Apr 2026 |
| Raybaw Operating, LLC | New Mexico | 32,192 BBLs | 169,202 MCF | Oct 2020 - May 2026 |
| Raydon Exploration, Inc. | Kansas | 2,750 BBLs | 8,620 MCF | Feb 1980 - Mar 2026 |
| Raymond Oil Company, Inc. | Kansas | 9,060 BBLs | 0 MCF | Jan 1980 - Mar 2026 |
| Red Oak Energy, Inc. | Kansas | 2,106 BBLs | 0 MCF | Aug 1981 - Mar 2026 |
| Red Rock Resources Corporation | Wyoming | 9,790 BBLs | 0 MCF | Feb 2026 - May 2026 |
| Red Rocks Oil & Gas Operating LLC | New Mexico | 0 BBLs | 138,829 MCF | Nov 2025 - May 2026 |
| Red Tiger Oil & Gas LLC | Wyoming | 15,044 BBLs | 0 MCF | Sep 2018 - Apr 2026 |
| Red Willow Production Company | Colorado | 0 BBLs | 3,304,753 MCF | Jan 1999 - Mar 2026 |
| Redbud Oil & Gas Operating, LLC | Kansas | 1,455 BBLs | 129,447 MCF | Jan 2010 - Mar 2026 |
| Redland Resources, LLC | Kansas | 2,129 BBLs | 9,343 MCF | Jan 1980 - Mar 2026 |
| Reilly Oil E & P | Kansas | 1,136 BBLs | 0 MCF | Jan 2020 - Mar 2026 |
| Reliable Production LLC | New Mexico | 160 BBLs | 23,923 MCF | Feb 2017 - Apr 2026 |
| Renegade Oil & Gas Company LLC | Colorado | 1,956 BBLs | 8,615 MCF | Jan 1999 - Mar 2026 |
| Resonance Exploration (North Dakota) LLC | North Dakota | 6,017 BBLs | 7,845 MCF | Dec 2014 - May 2026 |
| Ressler Well Service, Inc. | Kansas | 2,002 BBLs | 0 MCF | Jan 1980 - Mar 2026 |
| RH Capital-Beets, LLC | Kansas | 1,008 BBLs | 0 MCF | Sep 2014 - Mar 2026 |
| Rhombus Operating Co LTD | New Mexico | 2,744 BBLs | 2,433 MCF | Jan 1993 - May 2026 |
| Richardson And Son , Inc. | Kansas | 2,572 BBLs | 0 MCF | Jan 1980 - Mar 2026 |
| Richardson Operating Co | Wyoming | 10,281 BBLs | 15,282 MCF | Jan 1982 - Apr 2026 |
| Richlan Drilling, A General Partnership | Kansas | 1,914 BBLs | 0 MCF | Jan 1980 - Mar 2026 |
| Ridge Oil & Gas, LLC | Montana | 5,575 BBLs | 753,796 MCF | Feb 2022 - Apr 2026 |
| Rierson Energy, LLC | Kansas | 2,685 BBLs | 0 MCF | Jan 1980 - Mar 2026 |
| Riley Permian Operating Company, LLC | New Mexico | 137,768 BBLs | 609,520 MCF | Jun 2018 - Apr 2026 |
| Rim Operating, Inc. | Montana | 6,418 BBLs | 3,308 MCF | Jan 1991 - Apr 2026 |
| Rim Operating, Inc. | New Mexico | 1,272 BBLs | 105,066 MCF | Nov 2017 - May 2026 |