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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Riverside Energy Michigan LLC | Michigan | 3,395 BBLs | 2,857,234 MCF | Aug 2000 - Jun 2026 |
| RJ Energy, LLC | Kansas | 20,722 BBLs | 0 MCF | Jan 2010 - May 2026 |
| RJM Company | Kansas | 16,430 BBLs | 0 MCF | Jan 1980 - May 2026 |
| RL Investment, LLC | Kansas | 2,372 BBLs | 0 MCF | Jan 1980 - May 2026 |
| Robert L Bayless Producer, LLC | Utah | 7,654 BBLs | 23,001 MCF | Aug 1958 - Jun 2026 |
| Robertson Energy, LLC | Louisiana | 2,684 BBLs | 3,610 MCF | Apr 2016 - Dec 2024 |
| Roca Operating, Inc. | New Mexico | 1,323 BBLs | 0 MCF | Sep 1998 - Jun 2026 |
| Rockies Resources Holdings LLC | Wyoming | 134,031 BBLs | 231,802 MCF | Sep 2019 - Jul 2026 |
| Rockport Energy Solutions LLC | North Dakota | 9,020 BBLs | 19,449 MCF | Oct 2024 - Jun 2026 |
| Ronny N. Davis | Louisiana | 1,282 BBLs | 0 MCF | Jan 1977 - Jan 2025 |
| Rooster Production, LLC | Louisiana | 1,042 BBLs | 0 MCF | Jun 2012 - Jan 2025 |
| Rosestone Operating Company, LLC | Louisiana | 2,705 BBLs | 30,393 MCF | Aug 2019 - Dec 2024 |
| Roughhouse Operating, LLC | New Mexico | 2,894 BBLs | 6,824 MCF | May 2021 - Jul 2026 |
| Rouxopco LLC | Louisiana | 3,557 BBLs | 0 MCF | Dec 2020 - Dec 2024 |
| Rover Operating, LLC | New Mexico | 5,918 BBLs | 293 MCF | Nov 2016 - Jun 2026 |
| Royal Drilling Inc | Kansas | 1,450 BBLs | 0 MCF | Jan 1980 - May 2026 |
| Rubicon Oil & Gas, LLC | New Mexico | 1,277 BBLs | 12,531 MCF | Sep 2002 - Jul 2026 |
| Russell Oil, Inc. | Kansas | 5,310 BBLs | 0 MCF | Jan 1980 - May 2026 |
| S & K Oil Production, Inc. | Kansas | 4,554 BBLs | 0 MCF | Jan 1980 - May 2026 |
| S.H. Loe Oil Corp. | Louisiana | 2,415 BBLs | 0 MCF | Oct 1986 - Jan 2025 |
| Saga Resource Management LLC | Alabama | 0 BBLs | 356,449 MCF | Dec 1988 - Jun 2026 |
| Sage Butte PRB Operating, LLC | Wyoming | 170,571 BBLs | 490,511 MCF | Mar 2018 - Jul 2026 |
| Saguaro Petroleum, LLC | New Mexico | 6,842 BBLs | 13,537 MCF | Nov 2018 - Jun 2026 |
| Sahara Operating Co | New Mexico | 1,437 BBLs | 0 MCF | Jan 1993 - Jun 2026 |
| Samson Exploration LLC | Wyoming | 93,811 BBLs | 173,431 MCF | Mar 2015 - Jul 2026 |
| Samson Oil And Gas USA, Inc. | Montana | 6,266 BBLs | 3,132 MCF | May 2012 - Jun 2026 |
| Samuel Gary Jr. & Associates, Inc. | Kansas | 8,813 BBLs | 0 MCF | Jan 1980 - May 2026 |
| San Juan Resources, Inc. | New Mexico | 320 BBLs | 25,940 MCF | Jan 1993 - Jul 2026 |
| Sandlin Oil Corporation | Kansas | 1,286 BBLs | 0 MCF | Aug 1980 - May 2026 |
| Sandpoint Energy Partners LLC | Louisiana | 2,252 BBLs | 0 MCF | Nov 2019 - Jan 2025 |
| Sandridge Exploration And Production LLC | Kansas | 2,478 BBLs | 198,291 MCF | Jan 1980 - May 2026 |
| Satchell Creek Petroleum, LLC | Kansas | 1,298 BBLs | 0 MCF | Jan 2020 - May 2026 |
| Savoy Energy LP | Michigan | 29,839 BBLs | 8,163 MCF | Jan 1982 - Jul 2026 |
| Savoy Energy, LLC | Utah | 0 BBLs | 142,688 MCF | Mar 2005 - Jul 2026 |
| Schankie Well Service, Inc. | Kansas | 1,806 BBLs | 0 MCF | Jan 1980 - May 2026 |
| Scheck Oil Operation | Kansas | 9,552 BBLs | 0 MCF | Jan 1980 - May 2026 |
| Sco Permian, LLC | New Mexico | 2,005 BBLs | 15,268 MCF | Oct 2021 - Jul 2026 |
| Scott'S Production, LLC | Kansas | 1,922 BBLs | 0 MCF | Jan 1980 - May 2026 |
| Scout Energy Management LLC | Colorado | 226,412 BBLs | 1,514 MCF | Jan 1999 - May 2026 |
| Scout Energy Management LLC | Kansas | 2,773 BBLs | 3,938,938 MCF | Jan 1980 - May 2026 |
| Scout Energy Management LLC | New Mexico | 16,847 BBLs | 41,597 MCF | Oct 2021 - Jul 2026 |
| Scout Energy Management LLC | North Dakota | 80,638 BBLs | 25,505 MCF | Nov 2016 - Jun 2026 |
| Scout Energy Management, LLC | Utah | 510,828 BBLs | 585,300 MCF | Dec 2022 - Jul 2026 |
| Seagull Operating Co., Inc. | Louisiana | 1,771 BBLs | 0 MCF | Jan 1977 - Jan 2025 |
| Seeley Oil Company LLC | Colorado | 5,756 BBLs | 8,498 MCF | Jan 1999 - May 2026 |
| Seeley Oil Company, LLC | Utah | 1,905 BBLs | 1,962 MCF | Jan 2003 - Jul 2026 |
| Seely Oil Co | New Mexico | 1,623 BBLs | 4,996 MCF | Jan 1993 - Jun 2026 |
| Sek Energy, LLC | Kansas | 1,260 BBLs | 6,665 MCF | Jan 1980 - May 2026 |
| SG Interests I LTD | Colorado | 142 BBLs | 565,023 MCF | Jan 1999 - May 2026 |
| Shackelford Oil Co | New Mexico | 3,170 BBLs | 12,962 MCF | Jan 1993 - Jul 2026 |