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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| SG Interests I LTD | Colorado | 0 BBLs | 526,303 MCF | Jan 1999 - Dec 2025 |
| Shackelford Oil Co | New Mexico | 4,076 BBLs | 4,319 MCF | Jan 1993 - Dec 2025 |
| Shakespeare Oil Co., Inc. | Kansas | 25,868 BBLs | 0 MCF | Jan 2004 - Sep 2025 |
| Shelby Resources LLC | Kansas | 1,429 BBLs | 0 MCF | Feb 1980 - Sep 2025 |
| Shelf Energy, LLC | Louisiana | 10,346 BBLs | 10,696 MCF | Nov 2008 - Dec 2024 |
| Shields Oil Producers Inc. | Kansas | 1,956 BBLs | 0 MCF | Jan 1980 - Sep 2025 |
| Signal Hill Operating LLC | Wyoming | 13,854 BBLs | 627 MCF | Jan 2025 - Dec 2025 |
| Signal Operating L.L.C. | Louisiana | 2,891 BBLs | 0 MCF | Sep 2024 - Jan 2025 |
| Silver Hill Energy Operating, LLC | Louisiana | 0 BBLs | 3,442,822 MCF | Dec 2021 - Dec 2024 |
| Silver Hill Energy Operating, LLC | North Dakota | 418,874 BBLs | 819,821 MCF | Jul 2024 - Dec 2025 |
| Silver Oak Operating, LLC | Louisiana | 133 BBLs | 16,901 MCF | Jan 2010 - Dec 2024 |
| Simcoe LLC | Colorado | 0 BBLs | 7,712,261 MCF | Jan 1999 - Nov 2025 |
| Simcoe LLC | New Mexico | 2,893 BBLs | 7,593,698 MCF | May 2020 - Dec 2025 |
| Sinclair Oil & Gas Company | Montana | 1,240 BBLs | 2,318 MCF | Dec 1995 - Dec 2025 |
| Single Barrel Oil And Gas LLC | Louisiana | 7,355 BBLs | 0 MCF | Oct 2023 - Dec 2024 |
| Siroky Oil Management | Kansas | 2,612 BBLs | 6,176 MCF | Jan 1980 - Sep 2025 |
| Six Bar Oil LLC | Wyoming | 4,998 BBLs | 0 MCF | Apr 2017 - Dec 2025 |
| Sklar Exploration Company L.L.C. | Alabama | 33,360 BBLs | 39,456 MCF | May 2006 - Oct 2025 |
| Skye MS, LLC | Mississippi | 683 BBLs | 14,771 MCF | Jan 2022 - Dec 2025 |
| Slawson Exploration Company Inc | Montana | 12,177 BBLs | 33,665 MCF | Jun 1993 - Dec 2025 |
| Slawson Exploration Company, Inc. | North Dakota | 823,604 BBLs | 1,533,545 MCF | Jun 1989 - Dec 2025 |
| SMC Oil & Gas, Inc. | New Mexico | 4,835 BBLs | 16,019 MCF | Jan 2018 - Dec 2025 |
| Smith Oil & Gas LLC | Kansas | 0 BBLs | 18,818 MCF | Jan 2020 - Sep 2025 |
| Smith Red Plains Production LLC | Wyoming | 1,918 BBLs | 0 MCF | Dec 2022 - Dec 2025 |
| Snow Oil & Gas Inc | New Mexico | 1,317 BBLs | 1,770 MCF | Jan 1993 - Dec 2025 |
| Snowy Owl LLC | Wyoming | 9,583 BBLs | 4,194 MCF | Dec 2012 - Dec 2025 |
| Sogc, Inc. | North Dakota | 188,316 BBLs | 672,783 MCF | Dec 2022 - Dec 2025 |
| Sokan Operating, LLC | Kansas | 322 BBLs | 14,611 MCF | Jan 2020 - Sep 2025 |
| Soldier Operating LLC | Louisiana | 6,720 BBLs | 3,716 MCF | Oct 2020 - Dec 2024 |
| Solis Partners, L.L.C. | New Mexico | 204 BBLs | 158,295 MCF | Sep 2020 - Dec 2025 |
| Somont Oil Company, Inc. | Montana | 4,835 BBLs | 23,082 MCF | Jan 1986 - Dec 2025 |
| South Carlton Operating Company, LLC | Alabama | 10,392 BBLs | 0 MCF | Jun 1950 - Sep 2025 |
| South Pass Petroleum Inc | Wyoming | 442 BBLs | 8,582 MCF | Sep 2018 - Nov 2025 |
| Southern Oil Of Louisiana LLC | Louisiana | 29,791 BBLs | 73,581 MCF | Nov 2019 - Dec 2024 |
| Southwest Royalties Inc | New Mexico | 62,292 BBLs | 635,468 MCF | Jan 1993 - Dec 2025 |
| Southwestern Production Corporation | Wyoming | 18,962 BBLs | 54,956 MCF | Jun 1999 - Dec 2025 |
| Sparrow Oil & Gas LLC | North Dakota | 1,553 BBLs | 568 MCF | Jan 2024 - Jan 2026 |
| Spartan Royalties, LLC | Louisiana | 5,891 BBLs | 0 MCF | Jun 2024 - Dec 2024 |
| Special Energy Corp | New Mexico | 2,998 BBLs | 29,576 MCF | Dec 1994 - Dec 2025 |
| Spellbound Energy LLC | Colorado | 1,141 BBLs | 1,464 MCF | Nov 2015 - Nov 2025 |
| Spellbound Energy LLC | Wyoming | 5,548 BBLs | 0 MCF | Jun 2018 - Dec 2025 |
| Spokane Operating, LLC | Louisiana | 315 BBLs | 21,595 MCF | Oct 2021 - Dec 2024 |
| Spotted Hawk Development, LLC | North Dakota | 7,670 BBLs | 12,809 MCF | Jun 2022 - Dec 2025 |
| Spur Energy Partners LLC | New Mexico | 750,530 BBLs | 2,828,344 MCF | Jul 2019 - Dec 2025 |
| St Croix Operating Inc | Colorado | 1,210 BBLs | 0 MCF | Jan 1999 - Dec 2025 |
| Staab Oil Co., A General Partnership | Kansas | 3,197 BBLs | 0 MCF | Jan 1980 - Sep 2025 |
| Stanolind Permian LLC | New Mexico | 3,112 BBLs | 10,865 MCF | Mar 2021 - Dec 2025 |
| Stearns Oil Company LLC | North Dakota | 2,287 BBLs | 810 MCF | Nov 2021 - Dec 2025 |
| Steffen Resource Development, LLC | Kansas | 645 BBLs | 5,796 MCF | Nov 2019 - Sep 2025 |
| Stelbar Oil Corporation, Inc. | Kansas | 5,025 BBLs | 3,368 MCF | Jan 1980 - Sep 2025 |