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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Production Drilling, Inc. | Kansas | 5,499 BBLs | 0 MCF | Jan 1980 - Feb 2025 |
| Prolific Resources LLC | Kansas | 1,134 BBLs | 1,759 MCF | Feb 1984 - Feb 2025 |
| Prospect Oil & Gas Corp | Kansas | 3,908 BBLs | 0 MCF | Jan 1980 - Feb 2025 |
| Proven Petroleum, Inc. | North Dakota | 2,089 BBLs | 891 MCF | Apr 2013 - Apr 2025 |
| Providence Operating LLC Dba Poco Operating | Colorado | 107,463 BBLs | 511,210 MCF | Jul 2018 - Apr 2025 |
| Pruet Production Co | Mississippi | 4,639 BBLs | 493 MCF | Dec 1976 - Apr 2025 |
| Pruet Production Co. | Alabama | 98,738 BBLs | 196,102 MCF | Dec 1967 - Mar 2025 |
| Purewest Resources Inc | Wyoming | 123,959 BBLs | 18,114,772 MCF | Sep 1997 - Apr 2025 |
| QB Energy Operating LLC | Colorado | 35,039 BBLs | 11,757,045 MCF | Sep 2024 - Apr 2025 |
| Quail Oil & Gas, LC | Kansas | 1,756 BBLs | 7,419 MCF | Jan 1980 - Feb 2025 |
| Quantent Energy Partners Operating LLC | Louisiana | 0 BBLs | 1,556,614 MCF | Oct 2024 - Dec 2024 |
| Quinex Energy Corp | Utah | 8,328 BBLs | 42,399 MCF | Jun 1985 - Apr 2025 |
| R & B Oil & Gas, Inc. | Kansas | 2,713 BBLs | 73,891 MCF | Jan 1980 - Feb 2025 |
| R & B Oil Company, LLC Of Texas | Louisiana | 1,233 BBLs | 0 MCF | Mar 2017 - Jan 2025 |
| R. P. Nixon Operations, Inc | Kansas | 3,620 BBLs | 0 MCF | Jan 1980 - Feb 2025 |
| R360 Environmental Solutions Of La, LLC | Louisiana | 2,720 BBLs | 0 MCF | Apr 2014 - Jan 2025 |
| Ragnar Exploration, LLC | North Dakota | 6,753 BBLs | 4,599 MCF | Jan 2023 - Apr 2025 |
| Rains & Williamson Oil Co., Inc. | Kansas | 1,474 BBLs | 1,256 MCF | Jan 1980 - Feb 2025 |
| Rama Operating Co., Inc. | Kansas | 13,391 BBLs | 3,000 MCF | Jan 1980 - Feb 2025 |
| Ramshorn Resources, LLC | Kansas | 497 BBLs | 17,816 MCF | Jan 2010 - Feb 2025 |
| Ranch Oil Company | Wyoming | 1,810 BBLs | 0 MCF | Jan 1986 - Apr 2025 |
| Raney Oil Company, LLC | Kansas | 4,529 BBLs | 0 MCF | Jan 1980 - Feb 2025 |
| Rangeview Resources Operating Co | Wyoming | 8,980 BBLs | 699,698 MCF | Jul 2022 - Apr 2025 |
| Ray Westall Operating, Inc. | New Mexico | 1,292 BBLs | 211 MCF | Oct 2012 - Apr 2025 |
| Raybaw Operating, LLC | New Mexico | 28,539 BBLs | 238,888 MCF | Oct 2020 - Apr 2025 |
| Raydon Exploration, Inc. | Kansas | 3,301 BBLs | 11,031 MCF | Feb 1980 - Feb 2025 |
| Raymond Oil Company, Inc. | Kansas | 10,538 BBLs | 0 MCF | Jan 1980 - Feb 2025 |
| Red Hawk Petroleum LLC | Colorado | 2,880 BBLs | 9,602 MCF | Mar 2014 - Apr 2025 |
| Red Oak Energy, Inc. | Kansas | 3,436 BBLs | 0 MCF | Aug 1981 - Feb 2025 |
| Red Tiger Oil & Gas LLC | Wyoming | 14,511 BBLs | 0 MCF | Sep 2018 - Apr 2025 |
| Redbud Oil & Gas Operating, LLC | Kansas | 2,852 BBLs | 199,495 MCF | Jan 2010 - Feb 2025 |
| Redland Resources, LLC | Kansas | 1,975 BBLs | 12,114 MCF | Jan 1980 - Feb 2025 |
| Reefworks LLC | Michigan | 2,734 BBLs | 1,028 MCF | Jan 2022 - Apr 2025 |
| Reilly Oil E & P | Kansas | 1,468 BBLs | 0 MCF | Jan 2020 - Feb 2025 |
| Reliable Production LLC | New Mexico | 147 BBLs | 29,343 MCF | Feb 2017 - Apr 2025 |
| Remora Operating LLC | Mississippi | 1,296 BBLs | 30 MCF | Jan 2024 - Apr 2025 |
| Renegade Oil & Gas Company LLC | Colorado | 2,227 BBLs | 5,231 MCF | Jan 1999 - Apr 2025 |
| Resonance Exploration (North Dakota) LLC | North Dakota | 6,982 BBLs | 6,153 MCF | Dec 2014 - May 2025 |
| Ressler Well Service, Inc. | Kansas | 2,825 BBLs | 996 MCF | Jan 1980 - Feb 2025 |
| Richardson And Son , Inc. | Kansas | 2,897 BBLs | 0 MCF | Jan 1980 - Feb 2025 |
| Richlan Drilling, A General Partnership | Kansas | 1,607 BBLs | 0 MCF | Jan 1980 - Feb 2025 |
| Ridge Oil & Gas, LLC | Montana | 6,523 BBLs | 1,386 MCF | Feb 2022 - Apr 2025 |
| Ridgeway Arizona Oil Corp. | New Mexico | 16,781 BBLs | 29,116 MCF | Feb 2007 - Apr 2025 |
| Rierson Energy, LLC | Kansas | 2,107 BBLs | 2,024 MCF | Jan 1980 - Feb 2025 |
| Riley Permian Operating Company, LLC | New Mexico | 153,084 BBLs | 622,658 MCF | Jun 2018 - Apr 2025 |
| Rim Operating Inc | Wyoming | 8,190 BBLs | 415 MCF | Jan 1988 - Apr 2025 |
| Rim Operating, Inc | Colorado | 124 BBLs | 36,194 MCF | Jan 1999 - Apr 2025 |
| Rim Operating, Inc. | Montana | 7,393 BBLs | 2,903 MCF | Jan 1991 - Apr 2025 |
| Rim Operating, Inc. | New Mexico | 1,297 BBLs | 129,350 MCF | Nov 2017 - Apr 2025 |
| Rim Operating, Inc. | North Dakota | 13,724 BBLs | 7,259 MCF | Feb 2011 - Apr 2025 |