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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Sigma Energy, LLC | Louisiana | 76 BBLs | 0 MCF | Nov 2012 - Jan 2025 |
| Sigma Gamma Interest, L.L.C. | Louisiana | 0 BBLs | 0 MCF | Aug 2006 - Dec 2006 |
| Signal Oil & Gas Company, Inc. | Louisiana | 0 BBLs | 0 MCF | Nov 1995 - Oct 1999 |
| Signal Operating L.L.C. | Louisiana | 2,891 BBLs | 0 MCF | Sep 2024 - Jan 2025 |
| Signal Petroleum | Louisiana | 0 BBLs | 0 MCF | Jan 1977 - Jul 1980 |
| Signal, LLC Of Mississippi | Louisiana | 591 BBLs | 645 MCF | May 2019 - Dec 2024 |
| Silver Creek Oil & Gas, LLC | Louisiana | 0 BBLs | 0 MCF | Jan 2013 - Feb 2015 |
| Silver Hill Energy Operating, LLC | Louisiana | 0 BBLs | 3,442,822 MCF | Dec 2021 - Dec 2024 |
| Silver Oak Energy LLC | Louisiana | 0 BBLs | 0 MCF | Sep 2011 - Jun 2014 |
| Silver Oak Operating, Inc. | Louisiana | 0 BBLs | 0 MCF | Dec 1998 - Dec 2009 |
| Silver Oak Operating, LLC | Louisiana | 133 BBLs | 16,901 MCF | Jan 2010 - Dec 2024 |
| Silver Pines Energy Corp. | Louisiana | 0 BBLs | 0 MCF | Oct 2000 - Jul 2008 |
| Simar Petroleum, LLC | Louisiana | 600 BBLs | 0 MCF | Aug 2021 - Dec 2024 |
| Simco Oil Company | Louisiana | 0 BBLs | 0 MCF | Mar 1987 - Jul 1990 |
| Simmons Oil Corporation | Louisiana | 0 BBLs | 0 MCF | Jan 1977 - Mar 1987 |
| Simpson Well Service, Inc. | Louisiana | 0 BBLs | 0 MCF | Nov 1987 - Dec 1996 |
| Singer Fleischaker Oil Op. Co. | Louisiana | 0 BBLs | 0 MCF | Sep 1979 - Feb 1983 |
| Singer-Fleischaker Oil Co Inc | Louisiana | 0 BBLs | 0 MCF | Jan 1977 - Jul 1987 |
| Singer-Fleischaker,Dillon | Louisiana | 0 BBLs | 0 MCF | Jul 1978 - Aug 1979 |
| Single Barrel Oil And Gas LLC | Louisiana | 7,355 BBLs | 0 MCF | Oct 2023 - Dec 2024 |
| Sitwell, Inc. | Louisiana | 0 BBLs | 0 MCF | May 1995 - May 2022 |
| SK E&P Company | Louisiana | 0 BBLs | 0 MCF | Apr 2006 - Jun 2006 |
| Skelly Oil Company | Louisiana | 0 BBLs | 0 MCF | Jan 1977 - Jan 1977 |
| Skinner & Kroner | Louisiana | 0 BBLs | 0 MCF | Sep 1983 - Dec 1983 |
| Skinner Energy Management Inc. | Louisiana | 0 BBLs | 0 MCF | Dec 1993 - Jan 2011 |
| SKJ Production Co., Inc | Louisiana | 0 BBLs | 0 MCF | Oct 1983 - Dec 1984 |
| Sklar & Phillips - Harry Hurt | Louisiana | 0 BBLs | 0 MCF | Jan 1977 - Jul 1986 |
| Sklar & Phillips Oil Co.-Entex | Louisiana | 0 BBLs | 0 MCF | Jan 1977 - Aug 1978 |
| Sklar & Phillips Oil Company | Louisiana | 0 BBLs | 0 MCF | Jan 1977 - Dec 2000 |
| Sklar & Phillips-MRT & Mobley | Louisiana | 0 BBLs | 0 MCF | Jan 1977 - May 1978 |
| Sklar &Phillips-Great Southern | Louisiana | 0 BBLs | 0 MCF | Jan 1977 - Aug 1980 |
| Sklar Exploration Company, L.L.C. | Louisiana | 0 BBLs | 0 MCF | Jul 2000 - Oct 2021 |
| SKN Operating, LLC | Louisiana | 0 BBLs | 0 MCF | Sep 2009 - Dec 2015 |
| Skrivanos Engineering, Inc. | Louisiana | 0 BBLs | 0 MCF | Dec 2005 - Dec 2011 |
| Skyhawk Energy, LLC | Louisiana | 151 BBLs | 0 MCF | Nov 2008 - Dec 2024 |
| Skyline Oil Company | Louisiana | 0 BBLs | 0 MCF | Jan 1977 - Oct 1984 |
| SKZ Inc. | Louisiana | 0 BBLs | 0 MCF | May 1987 - Mar 1988 |
| Slam Resources, Inc. | Louisiana | 0 BBLs | 0 MCF | Nov 1990 - Apr 1994 |
| Slapco - Emerald Exploration | Louisiana | 0 BBLs | 0 MCF | Jan 1977 - Sep 1979 |
| Sleeth And Brooks Oil Co. | Louisiana | 0 BBLs | 0 MCF | Jan 1977 - Jul 1989 |
| SLF SL Purchaser, LLC | Louisiana | 0 BBLs | 0 MCF | Mar 2017 - Mar 2017 |
| SM Energy Company | Louisiana | 0 BBLs | 0 MCF | Jun 2010 - Jun 2015 |
| Smackover Drilling Co. Inc. | Louisiana | 0 BBLs | 0 MCF | Mar 1985 - May 1994 |
| Smackover Producing Co. Et Al | Louisiana | 0 BBLs | 0 MCF | Jan 1977 - Dec 1981 |
| Smal Energy Corp. | Louisiana | 0 BBLs | 0 MCF | Jul 1994 - Jul 1995 |
| SMC Oil & Gas, Inc. | Louisiana | 0 BBLs | 0 MCF | Oct 1986 - Dec 2000 |
| Smith Brothers, LTD. | Louisiana | 0 BBLs | 0 MCF | Jun 1986 - Feb 1989 |
| Smith Oil & Gas Co., Inc. | Louisiana | 0 BBLs | 0 MCF | Aug 1982 - Dec 1985 |
| Smith Oil Company, Et Al | Louisiana | 0 BBLs | 0 MCF | Jan 1977 - Jun 1980 |
| Smith Operating & MGMT Co | Louisiana | 0 BBLs | 0 MCF | Jan 1977 - Jun 2023 |