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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| 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 |
| Shields Oil Producers Inc. | Kansas | 3,421 BBLs | 0 MCF | Jan 1980 - Apr 2026 |
| Signal Hill Operating LLC | Wyoming | 14,215 BBLs | 1,238 MCF | Jan 2025 - Jun 2026 |
| 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 | 349,268 BBLs | 768,382 MCF | Jul 2024 - Jun 2026 |
| Simcoe LLC | Colorado | 1 BBLs | 7,286,870 MCF | Jan 1999 - May 2026 |
| Simcoe LLC | New Mexico | 4,728 BBLs | 5,725,866 MCF | May 2020 - Jun 2026 |
| Single Barrel Oil And Gas LLC | Louisiana | 7,355 BBLs | 0 MCF | Oct 2023 - Dec 2024 |
| Siroky Oil Management | Kansas | 2,489 BBLs | 6,593 MCF | Jan 1980 - Apr 2026 |
| Six Bar Oil LLC | Wyoming | 6,607 BBLs | 24 MCF | Apr 2017 - Jun 2026 |
| Sklar Exploration Company L.L.C. | Alabama | 33,639 BBLs | 45,030 MCF | May 2006 - Jun 2026 |
| Slawson Exploration Company Inc | Montana | 10,680 BBLs | 23,833 MCF | Jun 1993 - Jun 2026 |
| Slawson Exploration Company, Inc. | North Dakota | 1,305,711 BBLs | 2,575,572 MCF | Jun 1989 - Jun 2026 |
| SMC Oil & Gas, Inc. | New Mexico | 3,943 BBLs | 1,521 MCF | Jan 2018 - Jun 2026 |
| SMG Resources LLC | Kansas | 1,079 BBLs | 630 MCF | Jan 2020 - Apr 2026 |
| Smith Energy LLC | Colorado | 0 BBLs | 69,007 MCF | Jan 1999 - May 2026 |
| Smith Red Plains Production LLC | Wyoming | 1,809 BBLs | 0 MCF | Dec 2022 - Jul 2026 |
| Snow Oil & Gas Inc | New Mexico | 1,086 BBLs | 1,272 MCF | Jan 1993 - Jun 2026 |
| Snowy Owl LLC | Wyoming | 9,660 BBLs | 1,806 MCF | Dec 2012 - Jun 2026 |
| Soap Creek Associates, Inc. | Montana | 2,457 BBLs | 0 MCF | Jan 1991 - Jun 2026 |
| Sogc, Inc. | North Dakota | 140,853 BBLs | 540,666 MCF | Dec 2022 - Jun 2026 |
| Sokan Operating, LLC | Kansas | 619 BBLs | 13,579 MCF | Jan 2020 - Apr 2026 |
| Soldier Operating LLC | Louisiana | 6,720 BBLs | 3,716 MCF | Oct 2020 - Dec 2024 |
| Solis Partners, L.L.C. | New Mexico | 129 BBLs | 108,969 MCF | Sep 2020 - Jun 2026 |
| Somoco Inc | Michigan | 1,509 BBLs | 2,934 MCF | Oct 1985 - Jun 2026 |
| Somont Oil Company, Inc. | Montana | 5,027 BBLs | 16,785 MCF | Jan 1986 - Jun 2026 |
| South Carlton Operating Company, LLC | Alabama | 10,227 BBLs | 0 MCF | Jun 1950 - Jun 2026 |
| South Pass Petroleum Inc | Wyoming | 847 BBLs | 17,068 MCF | Sep 2018 - Jun 2026 |
| Southern Energy Operating, LLC | Mississippi | 4,092 BBLs | 3,167 MCF | Dec 1999 - May 2026 |
| Southern Oil Of Louisiana LLC | Louisiana | 29,791 BBLs | 73,581 MCF | Nov 2019 - Dec 2024 |
| Southwest Royalties Inc | New Mexico | 60,960 BBLs | 43,893 MCF | Jan 1993 - Jun 2026 |
| Southwestern Production Corporation | Wyoming | 16,022 BBLs | 51,186 MCF | Jun 1999 - Jun 2026 |
| Sparrow Oil & Gas LLC | North Dakota | 1,736 BBLs | 830 MCF | Jan 2024 - Jun 2026 |
| Spartan Royalties, LLC | Louisiana | 5,891 BBLs | 0 MCF | Jun 2024 - Dec 2024 |
| Special Energy Corp | New Mexico | 3,583 BBLs | 16,769 MCF | Dec 1994 - Jun 2026 |
| Spellbound Energy LLC | Wyoming | 5,846 BBLs | 0 MCF | Jun 2018 - Jun 2026 |
| Spotted Hawk Development, LLC | North Dakota | 8,193 BBLs | 13,848 MCF | Jun 2022 - Jun 2026 |
| Springline Operating LLC | North Dakota | 13,611 BBLs | 6,804 MCF | Feb 2026 - Jun 2026 |
| Spur Energy Partners LLC | New Mexico | 881,133 BBLs | 2,576,840 MCF | Jul 2019 - Jun 2026 |
| St Croix Operating Inc | Colorado | 1,220 BBLs | 0 MCF | Jan 1999 - May 2026 |
| Staab Oil Co., A General Partnership | Kansas | 4,222 BBLs | 0 MCF | Jan 1980 - Apr 2026 |
| Stanolind Permian LLC | New Mexico | 2,612 BBLs | 13,166 MCF | Mar 2021 - Jun 2026 |
| Stearns Oil Company LLC | North Dakota | 1,318 BBLs | 1,080 MCF | Nov 2021 - Jun 2026 |
| Stelbar Oil Corporation, Inc. | Kansas | 5,573 BBLs | 2,370 MCF | Jan 1980 - Apr 2026 |
| Stephens & Johnson Op Co | New Mexico | 14,761 BBLs | 57,000 MCF | Jan 1993 - Jun 2026 |
| Stephens Williston, LLC Dba Seg Williston, LLC | North Dakota | 34,780 BBLs | 33,071 MCF | Jun 2022 - Jun 2026 |
| Stone Oak Operating, LLC | Kansas | 1,856 BBLs | 0 MCF | Jan 2020 - Apr 2026 |
| Strachan Exploration Inc | Colorado | 6,172 BBLs | 43,124 MCF | Jan 1999 - May 2026 |