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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Prolific Resources LLC | Kansas | 1,119 BBLs | 1,558 MCF | Feb 1984 - Jul 2024 |
| Prospect Oil & Gas Corp | Kansas | 4,941 BBLs | 0 MCF | Jan 1980 - Jul 2024 |
| Proven Petroleum, Inc. | North Dakota | 2,169 BBLs | 1,087 MCF | Apr 2013 - Sep 2024 |
| Providence Operating LLC Dba Poco Operating | Colorado | 89,818 BBLs | 400,378 MCF | Jul 2018 - Aug 2024 |
| Pruet Production Co | Mississippi | 10,675 BBLs | 20,692 MCF | Dec 1976 - Aug 2024 |
| Pruet Production Co. | Alabama | 113,211 BBLs | 244,553 MCF | Dec 1967 - Jun 2024 |
| Purewest Resources Inc | Wyoming | 118,323 BBLs | 17,600,937 MCF | Sep 1997 - Sep 2024 |
| Quail Oil & Gas, LC | Kansas | 1,471 BBLs | 9,951 MCF | Jan 1980 - Jul 2024 |
| Quanico Oil & Gas, Inc | Arkansas | 23,436 BBLs | 0 MCF | Jan 2001 - Jul 2024 |
| Quinex Energy Corp | Utah | 9,468 BBLs | 44,807 MCF | Jun 1985 - Sep 2024 |
| R & B Oil & Gas, Inc. | Kansas | 2,887 BBLs | 36,125 MCF | Jan 1980 - Jul 2024 |
| R & B Oil Company, LLC Of Texas | Louisiana | 1,159 BBLs | 0 MCF | Mar 2017 - Jul 2024 |
| R. P. Nixon Operations, Inc | Kansas | 3,552 BBLs | 0 MCF | Jan 1980 - Jul 2024 |
| R360 Environmental Solutions Of La, LLC | Louisiana | 4,560 BBLs | 0 MCF | Apr 2014 - Jul 2024 |
| Ragnar Exploration, LLC | North Dakota | 6,183 BBLs | 4,788 MCF | Jan 2023 - Sep 2024 |
| Rains & Williamson Oil Co., Inc. | Kansas | 1,447 BBLs | 2,217 MCF | Jan 1980 - Jul 2024 |
| Rama Operating Co., Inc. | Kansas | 15,682 BBLs | 3,120 MCF | Jan 1980 - Jul 2024 |
| Ranch Oil Company | Wyoming | 2,361 BBLs | 0 MCF | Jan 1986 - Sep 2024 |
| Raney Oil Company, LLC | Kansas | 5,507 BBLs | 0 MCF | Jan 1980 - Jul 2024 |
| Rangeview Resources Operating Co | Wyoming | 9,476 BBLs | 763,976 MCF | Jul 2022 - Sep 2024 |
| Raybaw Operating, LLC | New Mexico | 27,195 BBLs | 189,211 MCF | Oct 2020 - Sep 2024 |
| Raydon Exploration, Inc. | Kansas | 3,465 BBLs | 11,403 MCF | Feb 1980 - Jul 2024 |
| Raymond Oil Company, Inc. | Kansas | 10,722 BBLs | 0 MCF | Jan 1980 - Jul 2024 |
| Red Hawk Petroleum LLC | Colorado | 1,273 BBLs | 1,538 MCF | Mar 2014 - Aug 2024 |
| Red Oak Energy, Inc. | Kansas | 2,896 BBLs | 0 MCF | Aug 1981 - Jul 2024 |
| Red Tiger Oil & Gas LLC | Wyoming | 15,543 BBLs | 0 MCF | Sep 2018 - Sep 2024 |
| Red Willow Production Company | Colorado | 0 BBLs | 2,834,091 MCF | Jan 1999 - Aug 2024 |
| Redbud Oil & Gas Operating, LLC | Kansas | 927 BBLs | 230,013 MCF | Jan 2010 - Jul 2024 |
| Redland Resources, LLC | Kansas | 3,037 BBLs | 12,780 MCF | Jan 1980 - Jul 2024 |
| Reefworks LLC | Michigan | 1,637 BBLs | 0 MCF | Jan 2022 - Jul 2024 |
| Remora Operating LLC | Mississippi | 2,109 BBLs | 45 MCF | Jan 2024 - Aug 2024 |
| Renegade Oil & Gas Company LLC | Colorado | 1,645 BBLs | 6,311 MCF | Jan 1999 - Sep 2024 |
| Resonance Exploration (North Dakota) LLC | North Dakota | 8,963 BBLs | 5,970 MCF | Dec 2014 - Oct 2024 |
| Ressler Well Service, Inc. | Kansas | 2,753 BBLs | 311 MCF | Jan 1980 - Jul 2024 |
| Riceland Petroleum Company | Louisiana | 1,729 BBLs | 8,710 MCF | Aug 1978 - Jun 2024 |
| Richardson And Son , Inc. | Kansas | 2,492 BBLs | 0 MCF | Jan 1980 - Jul 2024 |
| Richlan Drilling, A General Partnership | Kansas | 1,938 BBLs | 0 MCF | Jan 1980 - Jul 2024 |
| Ridge Energy | Montana | 8,768 BBLs | 700 MCF | Feb 2022 - Sep 2024 |
| Rierson Energy, LLC | Kansas | 1,875 BBLs | 0 MCF | Jan 1980 - Jul 2024 |
| Rim Operating Inc | Wyoming | 8,322 BBLs | 361 MCF | Jan 1988 - Sep 2024 |
| Rim Operating, Inc. | New Mexico | 1,537 BBLs | 119,961 MCF | Nov 2017 - Sep 2024 |
| Rim Operating, Inc. | North Dakota | 14,784 BBLs | 7,629 MCF | Feb 2011 - Sep 2024 |
| Ritchie Exploration, Inc. | Kansas | 38,027 BBLs | 43,842 MCF | Jan 1980 - Jul 2024 |
| River Rock Operating, LLC | Kansas | 782 BBLs | 426,550 MCF | Jan 2010 - Jul 2024 |
| Riverfront Exploration, LLC | Arkansas | 0 BBLs | 279,009 MCF | Nov 2015 - Jun 2024 |
| Riverside Energy Michigan LLC | Michigan | 2,278 BBLs | 3,182,895 MCF | Aug 2000 - Jul 2024 |
| RJ Energy, LLC | Kansas | 17,346 BBLs | 0 MCF | Jan 2010 - Jul 2024 |
| RJM Company | Kansas | 16,553 BBLs | 0 MCF | Jan 1980 - Jul 2024 |
| RL Investment, LLC | Kansas | 3,088 BBLs | 0 MCF | Jan 1980 - Jul 2024 |
| Robert L Bayless Producer LLC | New Mexico | 191 BBLs | 31,818 MCF | Nov 1995 - Sep 2024 |