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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Robert L Bayless Producer LLC | New Mexico | 215 BBLs | 98,135 MCF | Nov 1995 - Apr 2025 |
| Robert L Bayless Producer, LLC | Utah | 8,809 BBLs | 32,175 MCF | Aug 1958 - Apr 2025 |
| Robertson Energy, LLC | Louisiana | 2,684 BBLs | 3,610 MCF | Apr 2016 - Dec 2024 |
| Rock River Operating Inc | Wyoming | 2,323 BBLs | 4,341 MCF | Apr 1994 - Apr 2025 |
| Rockies Resources Holdings LLC | Wyoming | 349,814 BBLs | 362,226 MCF | Sep 2019 - Apr 2025 |
| Rockport Energy Solutions LLC | North Dakota | 45,552 BBLs | 88,078 MCF | Oct 2024 - May 2025 |
| Ronny N. Davis | Louisiana | 1,282 BBLs | 0 MCF | Jan 1977 - Jan 2025 |
| Rosestone Operating Company, LLC | Louisiana | 2,705 BBLs | 30,393 MCF | Aug 2019 - Dec 2024 |
| Roughhouse Operating, LLC | New Mexico | 4,327 BBLs | 13,540 MCF | May 2021 - Apr 2025 |
| Rouxopco LLC | Louisiana | 3,557 BBLs | 0 MCF | Dec 2020 - Dec 2024 |
| Rover Operating, LLC | New Mexico | 4,790 BBLs | 161,705 MCF | Nov 2016 - Apr 2025 |
| Royal Drilling Inc | Kansas | 1,282 BBLs | 0 MCF | Jan 1980 - Mar 2025 |
| Rubicon Oil & Gas, LLC | New Mexico | 1,733 BBLs | 72,703 MCF | Sep 2002 - May 2025 |
| Russell Oil, Inc. | Kansas | 5,375 BBLs | 0 MCF | Jan 1980 - Mar 2025 |
| S & K Oil Production, Inc. | Kansas | 4,861 BBLs | 0 MCF | Jan 1980 - Mar 2025 |
| S.H. Loe Oil Corp. | Louisiana | 2,415 BBLs | 0 MCF | Oct 1986 - Jan 2025 |
| Sabinal Energy Operating, LLC | New Mexico | 5,566 BBLs | 10,236 MCF | Jul 2019 - May 2025 |
| Saga Resource Management LLC | Alabama | 0 BBLs | 354,979 MCF | Dec 1988 - Mar 2025 |
| Sage Butte PRB Operating, LLC | Wyoming | 125,163 BBLs | 405,916 MCF | Mar 2018 - Apr 2025 |
| Saguaro Petroleum, LLC | New Mexico | 5,363 BBLs | 9,721 MCF | Nov 2018 - May 2025 |
| Samson Exploration LLC | Wyoming | 136,071 BBLs | 178,767 MCF | Mar 2015 - May 2025 |
| Samson Oil And Gas USA, Inc | North Dakota | 12,133 BBLs | 6,064 MCF | Sep 2013 - May 2025 |
| Samuel Gary Jr. & Associates, Inc. | Kansas | 25,389 BBLs | 4,075 MCF | Jan 1980 - Mar 2025 |
| San Juan Resources, Inc. | New Mexico | 331 BBLs | 31,328 MCF | Jan 1993 - May 2025 |
| Sandpoint Energy Partners LLC | Louisiana | 2,252 BBLs | 0 MCF | Nov 2019 - Jan 2025 |
| Sandridge Exploration And Production LLC | Kansas | 1,581 BBLs | 201,056 MCF | Jan 1980 - Mar 2025 |
| Savoy Energy LP | Michigan | 38,027 BBLs | 11,977 MCF | Jan 1982 - Apr 2025 |
| Savoy Energy, LLC | Utah | 0 BBLs | 94,796 MCF | Mar 2005 - May 2025 |
| Schalk Development Co | New Mexico | 147 BBLs | 27,471 MCF | Jan 1993 - May 2025 |
| Schankie Well Service, Inc. | Kansas | 1,596 BBLs | 0 MCF | Jan 1980 - Mar 2025 |
| Scheck Oil Operation | Kansas | 7,479 BBLs | 0 MCF | Jan 1980 - Mar 2025 |
| Schmidt, Tracy | Kansas | 1,323 BBLs | 0 MCF | Jan 2010 - Mar 2025 |
| Scott'S Production, LLC | Kansas | 1,305 BBLs | 0 MCF | Jan 1980 - Mar 2025 |
| Scout Energy Management LLC | Colorado | 233,873 BBLs | 0 MCF | Dec 2021 - Apr 2025 |
| Scout Energy Management LLC | Kansas | 4,717 BBLs | 3,708,965 MCF | Jan 1980 - Mar 2025 |
| Scout Energy Management LLC | New Mexico | 17,312 BBLs | 44,473 MCF | Oct 2021 - May 2025 |
| Scout Energy Management LLC | North Dakota | 87,145 BBLs | 62,808 MCF | May 2016 - May 2025 |
| Scout Energy Management, LLC | Utah | 373,459 BBLs | 515,206 MCF | Dec 2022 - Apr 2025 |
| Seagull Operating Co., Inc. | Louisiana | 1,771 BBLs | 0 MCF | Jan 1977 - Jan 2025 |
| Seeley Oil Company LLC | Colorado | 6,853 BBLs | 11,721 MCF | Dec 2015 - Apr 2025 |
| Seeley Oil Company, LLC | Utah | 1,804 BBLs | 2,608 MCF | Jan 2003 - May 2025 |
| Seely Oil Co | New Mexico | 2,733 BBLs | 5,646 MCF | Jan 1993 - Apr 2025 |
| Sendero Resources LLC | Wyoming | 616 BBLs | 15,892 MCF | Nov 2024 - May 2025 |
| SG Interests I LTD | Colorado | 119 BBLs | 287,262 MCF | Jan 1999 - May 2025 |
| Shackelford Oil Co | New Mexico | 5,857 BBLs | 4,809 MCF | Jan 1993 - May 2025 |
| Shakespeare Oil Co Inc | Montana | 1,421 BBLs | 0 MCF | May 1996 - Apr 2025 |
| Shakespeare Oil Co., Inc. | Kansas | 26,572 BBLs | 0 MCF | Jan 2004 - Mar 2025 |
| Shelby Resources LLC | Kansas | 1,628 BBLs | 0 MCF | Feb 1980 - Mar 2025 |
| Shelf Energy, LLC | Louisiana | 10,346 BBLs | 10,696 MCF | Nov 2008 - Dec 2024 |
| Shield Energy Resources, LLC | Louisiana | 1,201 BBLs | 0 MCF | Jan 2020 - Dec 2024 |