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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Production Drilling, Inc. | Kansas | 4,191 BBLs | 0 MCF | Jan 1980 - May 2025 |
| Prospect Oil & Gas Corp | Kansas | 4,048 BBLs | 0 MCF | Jan 1980 - May 2025 |
| Proven Petroleum, Inc. | North Dakota | 2,056 BBLs | 737 MCF | Apr 2013 - Jul 2025 |
| Pruet Production Co | Mississippi | 9,006 BBLs | 202 MCF | Dec 1976 - Jul 2025 |
| Pruet Production Co. | Alabama | 109,614 BBLs | 223,262 MCF | Dec 1967 - Jun 2025 |
| Quail Oil & Gas, LC | Kansas | 951 BBLs | 8,410 MCF | Jan 1980 - May 2025 |
| Quantent Energy Partners Operating LLC | Louisiana | 0 BBLs | 1,556,614 MCF | Oct 2024 - Dec 2024 |
| Quatro Osos E&P, LLC | New Mexico | 1,554 BBLs | 0 MCF | Aug 2017 - Jul 2025 |
| Quinex Energy Corp | Utah | 8,297 BBLs | 41,441 MCF | Jun 1985 - Jul 2025 |
| R & B Oil & Gas, Inc. | Kansas | 1,761 BBLs | 76,695 MCF | Jan 1980 - May 2025 |
| R & B Oil Company, LLC Of Texas | Louisiana | 1,233 BBLs | 0 MCF | Mar 2017 - Jan 2025 |
| R. P. Nixon Operations, Inc | Kansas | 2,563 BBLs | 0 MCF | Jan 1980 - May 2025 |
| R360 Environmental Solutions Of La, LLC | Louisiana | 2,720 BBLs | 0 MCF | Apr 2014 - Jan 2025 |
| Ragnar Exploration, LLC | North Dakota | 6,368 BBLs | 3,857 MCF | Jan 2023 - Jul 2025 |
| Rains & Williamson Oil Co., Inc. | Kansas | 1,291 BBLs | 1,395 MCF | Jan 1980 - May 2025 |
| Rama Operating Co., Inc. | Kansas | 14,316 BBLs | 4,476 MCF | Jan 1980 - May 2025 |
| Ranch Oil Company | Wyoming | 1,757 BBLs | 0 MCF | Jan 1986 - Jul 2025 |
| Raney Oil Company, LLC | Kansas | 4,258 BBLs | 0 MCF | Jan 1980 - May 2025 |
| Rangeview Resources Operating Co | Wyoming | 7,923 BBLs | 611,363 MCF | Jul 2022 - Jun 2025 |
| Ray Westall Operating, Inc. | New Mexico | 1,312 BBLs | 116 MCF | Oct 2012 - Jul 2025 |
| Raybaw Operating, LLC | New Mexico | 33,136 BBLs | 164,749 MCF | Oct 2020 - Jul 2025 |
| Raydon Exploration, Inc. | Kansas | 2,907 BBLs | 11,567 MCF | Feb 1980 - May 2025 |
| Raymond Oil Company, Inc. | Kansas | 10,807 BBLs | 0 MCF | Jan 1980 - May 2025 |
| Red Oak Energy, Inc. | Kansas | 3,784 BBLs | 0 MCF | Aug 1981 - May 2025 |
| Red Tiger Oil & Gas LLC | Wyoming | 14,744 BBLs | 0 MCF | Sep 2018 - Jul 2025 |
| Redbud Oil & Gas Operating, LLC | Kansas | 3,149 BBLs | 189,858 MCF | Jan 2010 - May 2025 |
| Redland Resources, LLC | Kansas | 2,088 BBLs | 12,357 MCF | Jan 1980 - May 2025 |
| Reefworks LLC | Michigan | 2,852 BBLs | 1,943 MCF | Jan 2022 - Jun 2025 |
| Reilly Oil E & P | Kansas | 1,792 BBLs | 0 MCF | Jan 2020 - May 2025 |
| Reliable Production LLC | New Mexico | 173 BBLs | 27,378 MCF | Feb 2017 - Jun 2025 |
| Renegade Oil & Gas Company LLC | Colorado | 1,780 BBLs | 8,323 MCF | Jan 1999 - Jul 2025 |
| Resonance Exploration (North Dakota) LLC | North Dakota | 6,628 BBLs | 8,145 MCF | Dec 2014 - Aug 2025 |
| Ressler Well Service, Inc. | Kansas | 2,599 BBLs | 210 MCF | Jan 1980 - May 2025 |
| Reynolds E & P, Inc. | Mississippi | 1,215 BBLs | 0 MCF | Jan 2023 - Jul 2025 |
| Rhombus Operating Co LTD | New Mexico | 3,267 BBLs | 2,941 MCF | Jan 1993 - Jun 2025 |
| Richardson And Son , Inc. | Kansas | 1,580 BBLs | 0 MCF | Jan 1980 - May 2025 |
| Richardson Operating Co | Wyoming | 8,255 BBLs | 24,000 MCF | Jan 1982 - Jun 2025 |
| Richlan Drilling, A General Partnership | Kansas | 2,553 BBLs | 0 MCF | Jan 1980 - May 2025 |
| Ridge Oil & Gas, LLC | Montana | 5,346 BBLs | 813,984 MCF | Feb 2022 - Jul 2025 |
| Ridgeway Arizona Oil Corp. | New Mexico | 41,437 BBLs | 66,818 MCF | Feb 2007 - Jun 2025 |
| Rierson Energy, LLC | Kansas | 2,376 BBLs | 0 MCF | Jan 1980 - May 2025 |
| Riley Permian Operating Company, LLC | New Mexico | 130,185 BBLs | 522,165 MCF | Jun 2018 - Jul 2025 |
| Rim Operating Inc | Wyoming | 7,854 BBLs | 356 MCF | Jan 1988 - Jul 2025 |
| Rim Operating, Inc | Colorado | 118 BBLs | 32,853 MCF | Jan 1999 - Jul 2025 |
| Rim Operating, Inc. | Montana | 6,229 BBLs | 2,861 MCF | Jan 1991 - Jul 2025 |
| Rim Operating, Inc. | New Mexico | 1,426 BBLs | 125,439 MCF | Nov 2017 - Jul 2025 |
| Rim Operating, Inc. | North Dakota | 12,605 BBLs | 6,755 MCF | Feb 2011 - Jul 2025 |
| Ritchie Exploration, Inc. | Kansas | 42,028 BBLs | 36,447 MCF | Jan 1980 - May 2025 |
| River Rock Operating, LLC | Kansas | 317 BBLs | 406,993 MCF | Jan 2010 - May 2025 |
| Riverside Energy Michigan LLC | Michigan | 1,856 BBLs | 2,925,509 MCF | Aug 2000 - Jun 2025 |