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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Ronald M. Sannes | North Dakota | 0 BBLs | 0 MCF | May 2002 - Oct 2016 |
| Roughrider Oil Company | North Dakota | 0 BBLs | 0 MCF | Nov 2007 - Jul 2010 |
| Ryan Exploration, Inc. | North Dakota | 0 BBLs | 0 MCF | Jul 2002 - Mar 2012 |
| Sage Energy Company | North Dakota | 0 BBLs | 0 MCF | Apr 1983 - Feb 1988 |
| Sagebrush Resources, LLC | North Dakota | 0 BBLs | 0 MCF | Jul 2006 - Jan 2011 |
| Samedan Oil Corporation | North Dakota | 0 BBLs | 0 MCF | Mar 1965 - Jul 2002 |
| Samson Oil And Gas USA, Inc | North Dakota | 0 BBLs | 0 MCF | Sep 2013 - Jan 2026 |
| Samson Resources Company | North Dakota | 0 BBLs | 0 MCF | Oct 1991 - Oct 2016 |
| Samuel Gary Jr. & Associates, Inc. | North Dakota | 0 BBLs | 0 MCF | Apr 2002 - Apr 2015 |
| Santa Fe Energy Co. | North Dakota | 0 BBLs | 0 MCF | Jun 1980 - Nov 1982 |
| Scout Energy Management LLC | North Dakota | 68,942 BBLs | 27,047 MCF | Nov 2016 - Jul 2026 |
| 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 | 376,182 BBLs | 798,290 MCF | Jul 2024 - Jul 2026 |
| 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 |
| Six Bar Oil LLC | North Dakota | 671 BBLs | 209 MCF | Mar 2026 - Jul 2026 |
| Skelly Oil Co. | North Dakota | 0 BBLs | 0 MCF | Jul 1954 - Aug 2000 |
| Slawson Exploration Company, Inc. | North Dakota | 1,134,366 BBLs | 2,382,980 MCF | Jun 1989 - Jul 2026 |
| SM Energy Company | North Dakota | 0 BBLs | 0 MCF | Jan 2008 - May 2018 |
| Sogc, Inc. | North Dakota | 136,970 BBLs | 502,459 MCF | Dec 2022 - Jul 2026 |
| 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 | 1,695 BBLs | 575 MCF | Jan 2024 - Jul 2026 |
| Specialized Technological Threading, Inc., | North Dakota | 0 BBLs | 0 MCF | Feb 2012 - Oct 2019 |
| Spotted Hawk Development, LLC | North Dakota | 7,414 BBLs | 10,113 MCF | Jun 2022 - Jul 2026 |
| Springline Operating LLC | North Dakota | 11,105 BBLs | 5,550 MCF | Feb 2026 - Jul 2026 |
| 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 | 1,497 BBLs | 459 MCF | Nov 2021 - Jul 2026 |