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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Sedalia Energy, LLC | North Dakota | 0 BBLs | 0 MCF | Jun 2014 - Mar 2018 |
| Sequel Energy, LLC | North Dakota | 0 BBLs | 0 MCF | Dec 2009 - May 2014 |
| Shakespeare Oil Company, Inc. | North Dakota | 0 BBLs | 0 MCF | Jul 2002 - May 2008 |
| SHD Oil & Gas, LLC | North Dakota | 0 BBLs | 0 MCF | Apr 2010 - May 2022 |
| Shell Oil Co. | North Dakota | 0 BBLs | 0 MCF | Aug 1960 - Jun 1985 |
| Shell Western E&P | North Dakota | 0 BBLs | 0 MCF | Sep 1960 - Nov 1976 |
| Siana Oil & Gas., L.L.C | North Dakota | 0 BBLs | 0 MCF | May 2014 - Dec 2021 |
| Silver Hill Energy Operating, LLC | North Dakota | 278,000 BBLs | 772,661 MCF | Jul 2024 - Oct 2024 |
| Silver Oak Energy, LLC | North Dakota | 0 BBLs | 0 MCF | Feb 2012 - Sep 2013 |
| Silver Thread Oil & Gas, Inc. | North Dakota | 0 BBLs | 0 MCF | Apr 2003 - Jul 2015 |
| Simcox Oil Co. | North Dakota | 0 BBLs | 0 MCF | Dec 1962 - Apr 1997 |
| Simray GP, LLC | North Dakota | 0 BBLs | 0 MCF | Apr 2010 - May 2010 |
| Sinclair Oil & Gas Company | North Dakota | 0 BBLs | 0 MCF | Mar 2004 - Nov 2022 |
| Sinclair Oil And Gas Company | North Dakota | 0 BBLs | 0 MCF | Sep 2006 - Apr 2016 |
| Sinclair Oil Corporation | North Dakota | 0 BBLs | 0 MCF | Nov 1982 - Aug 2006 |
| Skelly Oil Co. | North Dakota | 0 BBLs | 0 MCF | Jul 1954 - Aug 2000 |
| Slawson Exploration Company, Inc. | North Dakota | 1,262,848 BBLs | 2,441,868 MCF | Jun 1989 - Oct 2024 |
| SM Energy Company | North Dakota | 0 BBLs | 0 MCF | Jan 2008 - May 2018 |
| Sogc, Inc. | North Dakota | 415,850 BBLs | 818,459 MCF | Dec 2022 - Oct 2024 |
| Sohio Petroleum Co. & Argo Oil Corp. | North Dakota | 0 BBLs | 0 MCF | Feb 1956 - Mar 1957 |
| Sohio Petroleum Company | North Dakota | 0 BBLs | 0 MCF | Sep 1955 - Mar 1957 |
| Solutions Energy LLC | North Dakota | 0 BBLs | 0 MCF | May 2015 - Jun 2020 |
| South Heart Company | North Dakota | 0 BBLs | 0 MCF | Feb 2001 - Aug 2010 |
| South Oak Production Company | North Dakota | 0 BBLs | 0 MCF | Jul 2002 - Sep 2002 |
| Southern Union Exploration Co. | North Dakota | 0 BBLs | 0 MCF | Oct 1983 - Dec 1985 |
| Southern Union Production Co. | North Dakota | 0 BBLs | 0 MCF | Feb 1976 - Apr 1979 |
| Southland Royalty Co. | North Dakota | 0 BBLs | 0 MCF | Jul 1980 - Jul 1983 |
| Southwestern Production Corp. | North Dakota | 0 BBLs | 0 MCF | Feb 2017 - May 2022 |
| Sparrow Oil & Gas LLC | North Dakota | 1,721 BBLs | 620 MCF | Jan 2024 - Oct 2024 |
| Specialized Technological Threading, Inc., | North Dakota | 0 BBLs | 0 MCF | Feb 2012 - Oct 2019 |
| Spotted Hawk Development, LLC | North Dakota | 9,586 BBLs | 17,893 MCF | Jun 2022 - Oct 2024 |
| St Mary Land & Exploration Company | North Dakota | 0 BBLs | 0 MCF | Oct 2005 - Apr 2010 |
| St Oil Company | North Dakota | 0 BBLs | 0 MCF | Apr 2002 - Apr 2010 |
| Staghorn Energy, LLC | North Dakota | 0 BBLs | 0 MCF | Jul 2002 - Apr 2005 |
| Star Drilling, Inc. | North Dakota | 0 BBLs | 0 MCF | Apr 1960 - May 2004 |
| Statoil Oil & Gas LP | North Dakota | 0 BBLs | 0 MCF | Feb 2013 - Oct 2018 |
| Stearns Oil Company LLC | North Dakota | 3,329 BBLs | 2,069 MCF | Nov 2021 - Oct 2024 |
| Stekoll Oil & Gas, LTD. | North Dakota | 0 BBLs | 0 MCF | Feb 1959 - Jun 1963 |
| Stephens & Johnson Operating Co. | North Dakota | 72 BBLs | 78 MCF | Jul 2002 - Nov 2024 |
| Stephens Energy Company LLC | North Dakota | 0 BBLs | 0 MCF | Apr 2002 - Feb 2010 |
| Stephens Williston, LLC Dba Seg Williston, LLC | North Dakota | 96,016 BBLs | 65,237 MCF | Jun 2022 - Oct 2024 |
| Stetson Oil & Gas Corporation | North Dakota | 0 BBLs | 0 MCF | Dec 2009 - Apr 2011 |
| Stone Energy Corporation | North Dakota | 0 BBLs | 0 MCF | Apr 2005 - May 2007 |
| Strike Oil Inc | North Dakota | 0 BBLs | 0 MCF | Apr 2013 - Aug 2016 |
| Stuarco Oil Company, Inc. | North Dakota | 0 BBLs | 0 MCF | Aug 1966 - Sep 1967 |
| Summit Resources, Inc. | North Dakota | 0 BBLs | 0 MCF | Jul 1995 - May 2012 |
| Sun Exploration & Production Co. | North Dakota | 0 BBLs | 0 MCF | May 1982 - Nov 1986 |
| Sunbehm Gas, Inc. | North Dakota | 0 BBLs | 0 MCF | Feb 1976 - Feb 1976 |
| Sundance Energy Indiana, Inc. | North Dakota | 0 BBLs | 0 MCF | Jan 2007 - Mar 2008 |
| Sundance Energy, Inc | North Dakota | 0 BBLs | 0 MCF | Apr 2008 - Feb 2014 |