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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Riverside Energy Michigan LLC | Michigan | 0 BBLs | 2,878,562 MCF | Aug 2000 - Dec 2025 |
| RJ Energy, LLC | Kansas | 18,607 BBLs | 0 MCF | Jan 2010 - Sep 2025 |
| RJM Company | Kansas | 15,281 BBLs | 0 MCF | Jan 1980 - Sep 2025 |
| RL Investment, LLC | Kansas | 1,323 BBLs | 0 MCF | Jan 1980 - Sep 2025 |
| Robert L Bayless Producer LLC | New Mexico | 151 BBLs | 88,838 MCF | Nov 1995 - Dec 2025 |
| Robertson Energy, LLC | Louisiana | 2,684 BBLs | 3,610 MCF | Apr 2016 - Dec 2024 |
| Rock River Operating Inc | Wyoming | 1,973 BBLs | 4,124 MCF | Apr 1994 - Nov 2025 |
| Rockies Resources Holdings LLC | Wyoming | 211,370 BBLs | 306,324 MCF | Sep 2019 - Jan 2026 |
| Rockport Energy Solutions LLC | North Dakota | 34,156 BBLs | 78,819 MCF | Oct 2024 - Jan 2026 |
| 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 | 3,639 BBLs | 10,268 MCF | May 2021 - Dec 2025 |
| Rouxopco LLC | Louisiana | 3,557 BBLs | 0 MCF | Dec 2020 - Dec 2024 |
| Rover Operating, LLC | New Mexico | 6,501 BBLs | 19,651 MCF | Nov 2016 - Dec 2025 |
| Rubicon Oil & Gas, LLC | New Mexico | 1,499 BBLs | 17,883 MCF | Sep 2002 - Jan 2026 |
| Russell Oil, Inc. | Kansas | 5,288 BBLs | 0 MCF | Jan 1980 - Sep 2025 |
| S & K Oil Production, Inc. | Kansas | 5,527 BBLs | 0 MCF | Jan 1980 - Sep 2025 |
| S.H. Loe Oil Corp. | Louisiana | 2,415 BBLs | 0 MCF | Oct 1986 - Jan 2025 |
| Saga Resource Management LLC | Alabama | 0 BBLs | 374,149 MCF | Dec 1988 - Dec 2025 |
| Sage Butte PRB Operating, LLC | Wyoming | 116,998 BBLs | 396,310 MCF | Mar 2018 - Dec 2025 |
| Saguaro Petroleum, LLC | New Mexico | 5,838 BBLs | 14,537 MCF | Nov 2018 - Jan 2026 |
| Samson Exploration LLC | Wyoming | 112,175 BBLs | 179,994 MCF | Mar 2015 - Jan 2026 |
| Samson Oil And Gas USA, Inc | North Dakota | 10,979 BBLs | 5,490 MCF | Sep 2013 - Jan 2026 |
| Samuel Gary Jr. & Associates, Inc. | Kansas | 24,176 BBLs | 1,004 MCF | Jan 1980 - Sep 2025 |
| San Juan Resources, Inc. | New Mexico | 335 BBLs | 27,513 MCF | Jan 1993 - Jan 2026 |
| Sandlin Oil Corporation | Kansas | 1,607 BBLs | 0 MCF | Aug 1980 - Sep 2025 |
| Sandpoint Energy Partners LLC | Louisiana | 2,252 BBLs | 0 MCF | Nov 2019 - Jan 2025 |
| Sandridge Exploration And Production LLC | Kansas | 2,848 BBLs | 204,896 MCF | Jan 1980 - Sep 2025 |
| Savoy Energy LP | Michigan | 31,964 BBLs | 8,361 MCF | Jan 1982 - Dec 2025 |
| Savoy Energy, LLC | Utah | 0 BBLs | 87,283 MCF | Mar 2005 - Jan 2026 |
| SBKF, LLC | New Mexico | 1,095 BBLs | 1,346 MCF | Nov 2003 - Dec 2025 |
| Schalk Development Co | New Mexico | 214 BBLs | 37,165 MCF | Jan 1993 - Jan 2026 |
| Schankie Well Service, Inc. | Kansas | 1,236 BBLs | 0 MCF | Jan 1980 - Sep 2025 |
| Scheck Oil Operation | Kansas | 7,519 BBLs | 0 MCF | Jan 1980 - Sep 2025 |
| Sco Permian, LLC | New Mexico | 3,102 BBLs | 16,075 MCF | Oct 2021 - Jan 2026 |
| Scott'S Production, LLC | Kansas | 1,760 BBLs | 0 MCF | Jan 1980 - Sep 2025 |
| Scout Energy Management LLC | Colorado | 225,664 BBLs | 1,238 MCF | Jan 1999 - Dec 2025 |
| Scout Energy Management LLC | Kansas | 4,187 BBLs | 4,237,324 MCF | Jan 1980 - Sep 2025 |
| Scout Energy Management LLC | New Mexico | 17,708 BBLs | 46,000 MCF | Oct 2021 - Jan 2026 |
| Scout Energy Management LLC | North Dakota | 78,981 BBLs | 27,701 MCF | May 2016 - Jan 2026 |
| Scout Energy Management, LLC | Utah | 438,399 BBLs | 555,522 MCF | Dec 2022 - Jan 2026 |
| Seagull Operating Co., Inc. | Louisiana | 1,771 BBLs | 0 MCF | Jan 1977 - Jan 2025 |
| Seeley Oil Company LLC | Colorado | 5,669 BBLs | 6,861 MCF | Jan 1999 - Dec 2025 |
| Seeley Oil Company, LLC | Utah | 1,320 BBLs | 1,036 MCF | Jan 2003 - Jan 2026 |
| Seely Oil Co | New Mexico | 2,533 BBLs | 5,978 MCF | Jan 1993 - Jan 2026 |
| Sek Energy, LLC | Kansas | 1,222 BBLs | 7,084 MCF | Jan 1980 - Sep 2025 |
| SG Interests I LTD | Colorado | 0 BBLs | 814,833 MCF | Jan 1999 - Jan 2026 |
| Shackelford Oil Co | New Mexico | 4,076 BBLs | 4,319 MCF | Jan 1993 - Jan 2026 |
| Shakespeare Oil Co Inc | Montana | 1,179 BBLs | 0 MCF | May 1996 - Dec 2025 |
| Shakespeare Oil Co., Inc. | Kansas | 25,868 BBLs | 0 MCF | Jan 2004 - Sep 2025 |