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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| States Exploration Inc | Wyoming | 0 BBLs | 0 MCF | Aug 1984 - Jul 1985 |
| Statex Petroleum Inc | Wyoming | 0 BBLs | 0 MCF | Jan 1984 - Dec 2000 |
| Stealth Energy Inc | Wyoming | 0 BBLs | 0 MCF | Jun 2008 - Dec 2011 |
| Stealth Energy USA Inc | Wyoming | 0 BBLs | 0 MCF | Jan 2012 - Dec 2017 |
| Steamboat Oil And Gas LLC | Wyoming | 0 BBLs | 0 MCF | Sep 2022 - Jul 2025 |
| Steele Oil Company | Wyoming | 0 BBLs | 0 MCF | Jan 1978 - Dec 1978 |
| Stellar Oil Company | Wyoming | 0 BBLs | 0 MCF | Jun 1986 - Dec 1998 |
| Stephens Production Company | Wyoming | 0 BBLs | 0 MCF | Jan 2000 - Dec 2015 |
| Sterling Energy Corporation | Wyoming | 0 BBLs | 0 MCF | Jan 1990 - Dec 1994 |
| Stewart Charles H | Wyoming | 0 BBLs | 0 MCF | Jul 1983 - Dec 1986 |
| Stewart Petroleum Corporation | Wyoming | 0 BBLs | 0 MCF | Nov 1987 - Dec 2004 |
| Stone & Wolf LLC | Wyoming | 0 BBLs | 0 MCF | Sep 1999 - Dec 2006 |
| Stone Energy Corporation | Wyoming | 0 BBLs | 0 MCF | May 2003 - Jun 2007 |
| Stone Energy LLC | Wyoming | 0 BBLs | 0 MCF | Jan 1987 - May 2004 |
| Stone Petroleum Corporation | Wyoming | 0 BBLs | 0 MCF | Aug 1981 - Dec 1989 |
| Storm Cat Energy USA Operating Corp | Wyoming | 0 BBLs | 0 MCF | Dec 2004 - Jun 2017 |
| Stovall Oil Company | Wyoming | 0 BBLs | 0 MCF | Jan 1979 - Aug 1998 |
| Strachan Exploration Inc | Wyoming | 0 BBLs | 0 MCF | Nov 2009 - Jun 2022 |
| Straight Arrow Oil Company | Wyoming | 0 BBLs | 0 MCF | Apr 1992 - Dec 1996 |
| Stringer E M | Wyoming | 0 BBLs | 0 MCF | Jan 1978 - May 1996 |
| Stripper Oil Company Inc | Wyoming | 0 BBLs | 0 MCF | Jan 1983 - Jul 1983 |
| Stroud Petroleum Inc | Wyoming | 367 BBLs | 0 MCF | Dec 2012 - Jul 2025 |
| Sugar Creek Resources | Wyoming | 0 BBLs | 0 MCF | Aug 1986 - Aug 1988 |
| Summit Gas Resources Inc | Wyoming | 0 BBLs | 0 MCF | Jul 2003 - Dec 2023 |
| Summit Operating LLC | Wyoming | 0 BBLs | 0 MCF | Mar 2010 - May 2025 |
| Summit Resources Inc | Wyoming | 0 BBLs | 0 MCF | Jan 1978 - Sep 2016 |
| Sun Cementing Of Wyoming Inc | Wyoming | 0 BBLs | 0 MCF | Jan 2007 - Jul 2007 |
| Suncor Energy Natural Gas America Inc | Wyoming | 0 BBLs | 0 MCF | Aug 2004 - Feb 2010 |
| Sundance Energy Inc | Wyoming | 0 BBLs | 0 MCF | Apr 2012 - Jul 2014 |
| Sundance Oil Exploration Co | Wyoming | 0 BBLs | 0 MCF | Sep 1984 - Mar 1986 |
| Sunlight Resources Inc | Wyoming | 0 BBLs | 0 MCF | Jun 1988 - Jan 1995 |
| Sunrise Exploration Inc | Wyoming | 0 BBLs | 0 MCF | May 1985 - Jul 1990 |
| Sunshine Valley Petroleum | Wyoming | 10,861 BBLs | 36,322 MCF | Jan 1982 - Jul 2025 |
| Supron Energy Corp | Wyoming | 0 BBLs | 0 MCF | Jan 1978 - Oct 1995 |
| Surtek Inc | Wyoming | 0 BBLs | 0 MCF | Jan 1984 - May 1993 |
| Survivor Oil Inc | Wyoming | 0 BBLs | 0 MCF | Sep 1990 - Sep 2007 |
| Sweet Pea Oil & Gas Inc | Wyoming | 0 BBLs | 0 MCF | Apr 1978 - Sep 1978 |
| Swenco-Western Inc | Wyoming | 0 BBLs | 0 MCF | Dec 1984 - Jan 1997 |
| Swepi LP | Wyoming | 0 BBLs | 0 MCF | Jan 1978 - Sep 2015 |
| Swift Energy Company | Wyoming | 0 BBLs | 0 MCF | Sep 1984 - Nov 2001 |
| Synergy Offshore LLC | Wyoming | 0 BBLs | 0 MCF | Jul 2013 - Jan 2022 |
| Synergy Operating LLC | Wyoming | 0 BBLs | 0 MCF | Oct 2004 - Apr 2021 |
| T & E Oil Company | Wyoming | 0 BBLs | 0 MCF | Mar 1984 - Dec 1987 |
| T P Production Co | Wyoming | 0 BBLs | 0 MCF | Jan 1980 - Nov 1996 |
| T-Rex Oil Inc | Wyoming | 0 BBLs | 0 MCF | Jan 2007 - Feb 2011 |
| T2 Operating Corporation | Wyoming | 10,234 BBLs | 401 MCF | Jun 2024 - Jul 2025 |
| Tap Management Inc | Wyoming | 0 BBLs | 0 MCF | May 2015 - Jan 2023 |
| Taqa North USA Inc | Wyoming | 0 BBLs | 0 MCF | Sep 2006 - Nov 2016 |
| Taqa USA Inc | Wyoming | 0 BBLs | 0 MCF | Dec 2016 - Dec 2019 |
| Tara Oil Company | Wyoming | 0 BBLs | 0 MCF | Jan 1978 - Dec 1981 |