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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| RL Investment, LLC | Kansas | 2,597 BBLs | 0 MCF | Jan 1980 - Dec 2025 |
| Robert L Bayless Producer LLC | New Mexico | 146 BBLs | 80,516 MCF | Nov 1995 - Feb 2026 |
| Robert L Bayless Producer, LLC | Utah | 5,429 BBLs | 20,447 MCF | Aug 1958 - Feb 2026 |
| Robertson Energy, LLC | Louisiana | 2,684 BBLs | 3,610 MCF | Apr 2016 - Dec 2024 |
| Roca Operating, Inc. | New Mexico | 2,050 BBLs | 306 MCF | Sep 1998 - Feb 2026 |
| Rock River Operating Inc | Wyoming | 2,274 BBLs | 4,415 MCF | Apr 1994 - Jan 2026 |
| Rockies Resources Holdings LLC | Wyoming | 198,366 BBLs | 291,716 MCF | Sep 2019 - Jan 2026 |
| Rockport Energy Solutions LLC | North Dakota | 32,582 BBLs | 76,895 MCF | Oct 2024 - Feb 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 | 3,266 BBLs | 7,751 MCF | May 2021 - Feb 2026 |
| Rouxopco LLC | Louisiana | 3,557 BBLs | 0 MCF | Dec 2020 - Dec 2024 |
| Royal Drilling Inc | Kansas | 992 BBLs | 0 MCF | Jan 1980 - Dec 2025 |
| Rubicon Oil & Gas, LLC | New Mexico | 1,312 BBLs | 13,474 MCF | Sep 2002 - Feb 2026 |
| Rupe Oil Company, Inc. | Kansas | 1,149 BBLs | 0 MCF | Jan 1980 - Dec 2025 |
| Russell Oil, Inc. | Kansas | 5,029 BBLs | 0 MCF | Jan 1980 - Dec 2025 |
| S & K Oil Production, Inc. | Kansas | 4,922 BBLs | 0 MCF | Jan 1980 - Dec 2025 |
| S & S Oil, L.L.C. | Kansas | 1,130 BBLs | 0 MCF | Jan 1980 - Dec 2025 |
| S.H. Loe Oil Corp. | Louisiana | 2,415 BBLs | 0 MCF | Oct 1986 - Jan 2025 |
| Saga Resource Management LLC | Alabama | 0 BBLs | 364,430 MCF | Dec 1988 - Jan 2026 |
| Sage Butte PRB Operating, LLC | Wyoming | 133,009 BBLs | 416,067 MCF | Mar 2018 - Feb 2026 |
| Saguaro Petroleum, LLC | New Mexico | 5,986 BBLs | 14,458 MCF | Nov 2018 - Feb 2026 |
| Samson Exploration LLC | Wyoming | 107,903 BBLs | 176,973 MCF | Mar 2015 - Feb 2026 |
| Samson Oil And Gas USA, Inc. | Montana | 9,674 BBLs | 5,368 MCF | May 2012 - Feb 2026 |
| Samuel Gary Jr. & Associates, Inc. | Kansas | 22,304 BBLs | 960 MCF | Jan 1980 - Dec 2025 |
| San Juan Resources, Inc. | New Mexico | 605 BBLs | 27,000 MCF | Jan 1993 - Mar 2026 |
| Sandpoint Energy Partners LLC | Louisiana | 2,252 BBLs | 0 MCF | Nov 2019 - Jan 2025 |
| Sandridge Exploration And Production LLC | Kansas | 2,557 BBLs | 199,248 MCF | Jan 1980 - Dec 2025 |
| Savoy Energy LP | Michigan | 29,464 BBLs | 7,278 MCF | Jan 1982 - Feb 2026 |
| Savoy Energy, LLC | Utah | 0 BBLs | 124,297 MCF | Mar 2005 - Mar 2026 |
| SBKF, LLC | New Mexico | 1,150 BBLs | 454 MCF | Nov 2003 - Feb 2026 |
| Schalk Development Co | New Mexico | 144 BBLs | 26,474 MCF | Jan 1993 - Feb 2026 |
| Schankie Well Service, Inc. | Kansas | 1,727 BBLs | 0 MCF | Jan 1980 - Dec 2025 |
| Scheck Oil Operation | Kansas | 8,003 BBLs | 0 MCF | Jan 1980 - Dec 2025 |
| Schmidt, Tracy | Kansas | 1,184 BBLs | 0 MCF | Jan 2010 - Dec 2025 |
| Sco Permian, LLC | New Mexico | 1,944 BBLs | 11,148 MCF | Oct 2021 - Feb 2026 |
| Scott'S Production, LLC | Kansas | 1,738 BBLs | 0 MCF | Jan 1980 - Dec 2025 |
| Scout Energy Management LLC | Colorado | 224,375 BBLs | 1,238 MCF | Jan 1999 - Jan 2026 |
| Scout Energy Management LLC | Kansas | 3,840 BBLs | 4,041,329 MCF | Jan 1980 - Dec 2025 |
| Scout Energy Management LLC | New Mexico | 16,575 BBLs | 38,976 MCF | Oct 2021 - Feb 2026 |
| Scout Energy Management LLC | North Dakota | 72,584 BBLs | 25,806 MCF | May 2016 - Feb 2026 |
| Scout Energy Management, LLC | Utah | 375,184 BBLs | 497,966 MCF | Dec 2022 - Feb 2026 |
| Seagull Operating Co., Inc. | Louisiana | 1,771 BBLs | 0 MCF | Jan 1977 - Jan 2025 |
| Seeley Oil Company LLC | Colorado | 6,588 BBLs | 7,587 MCF | Jan 1999 - Jan 2026 |
| Seeley Oil Company, LLC | Utah | 1,041 BBLs | 1,287 MCF | Jan 2003 - Feb 2026 |
| Seely Oil Co | New Mexico | 2,396 BBLs | 4,651 MCF | Jan 1993 - Feb 2026 |
| Sek Energy, LLC | Kansas | 1,046 BBLs | 7,228 MCF | Jan 1980 - Dec 2025 |
| Sep Legacy LLC | New Mexico | 47,461 BBLs | 415,533 MCF | Jan 2026 - Feb 2026 |
| SG Interests I LTD | Colorado | 0 BBLs | 912,508 MCF | Jan 1999 - Jan 2026 |