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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Riley Leo M Co | Michigan | 0 BBLs | 0 MCF | Jan 1988 - Oct 1998 |
| Riverside Energy Michigan LLC | Michigan | 3,276 BBLs | 3,193,735 MCF | Aug 2000 - Sep 2024 |
| Riviera Operating LLC | Michigan | 0 BBLs | 0 MCF | Aug 2010 - Jul 2019 |
| Robert E P Oil And Gas Co Inc | Michigan | 0 BBLs | 0 MCF | Oct 1989 - Jul 2023 |
| Rosekrans Janet A Dba J Oil Co | Michigan | 0 BBLs | 0 MCF | Jan 1995 - Jan 2003 |
| Rosetta Resources Michigan Limited Partnership | Michigan | 0 BBLs | 0 MCF | Jun 2013 - Jul 2013 |
| Rovsek Adolph E | Michigan | 0 BBLs | 0 MCF | Jan 1982 - Oct 1991 |
| Rya Inc | Michigan | 0 BBLs | 0 MCF | Dec 1997 - Dec 2009 |
| S And G Co | Michigan | 0 BBLs | 0 MCF | Jun 1984 - Sep 1987 |
| S And M Liquid Tire Fill Inc | Michigan | 449 BBLs | 0 MCF | Jan 1982 - Oct 2024 |
| S O G C Inc | Michigan | 0 BBLs | 1,793 MCF | Dec 2010 - Sep 2024 |
| S P V LLC | Michigan | 0 BBLs | 0 MCF | Sep 1999 - Jul 2002 |
| S R W Inc | Michigan | 0 BBLs | 0 MCF | Dec 1988 - Aug 2017 |
| S W D Specialties LLC | Michigan | 0 BBLs | 0 MCF | Sep 2006 - Apr 2008 |
| Saba Energy Of Texas Inc | Michigan | 0 BBLs | 0 MCF | Jan 1982 - Jul 2007 |
| Salem Oil LLC | Michigan | 0 BBLs | 0 MCF | Jan 1997 - Dec 2023 |
| Samson Natural Gas Co | Michigan | 0 BBLs | 0 MCF | Jan 1982 - Oct 1992 |
| Samson Natural Gas Co And Miller Energy Miller Oil | Michigan | 0 BBLs | 0 MCF | Feb 1991 - Aug 2000 |
| Samson Resources Co | Michigan | 0 BBLs | 0 MCF | Jan 1969 - Mar 2012 |
| San Lor Co Inc Dba Lor San Oil Co | Michigan | 0 BBLs | 0 MCF | Jan 1997 - Mar 2024 |
| Sanford Paul S Oil Co Inc | Michigan | 0 BBLs | 0 MCF | Jan 1982 - Apr 1988 |
| Sappington Carol J | Michigan | 0 BBLs | 0 MCF | Jan 1997 - Mar 2017 |
| Sappington Crude Oil Inc | Michigan | 0 BBLs | 0 MCF | Jan 1982 - Dec 2023 |
| Sappington Henry | Michigan | 0 BBLs | 0 MCF | Jan 1997 - Dec 2010 |
| Sappington John M And Walter B | Michigan | 0 BBLs | 0 MCF | Jan 2021 - Dec 2021 |
| Sappington Walter B | Michigan | 0 BBLs | 0 MCF | Dec 1997 - Dec 2023 |
| Sappington Walter B Dianne M | Michigan | 0 BBLs | 0 MCF | Jan 1982 - Dec 2023 |
| Saval Development Co | Michigan | 0 BBLs | 0 MCF | Feb 2013 - Feb 2013 |
| Savoy Energy LP | Michigan | 0 BBLs | 0 MCF | Jan 1982 - May 2024 |
| Savoy Exploration Inc | Michigan | 0 BBLs | 0 MCF | Apr 1984 - Feb 2020 |
| Scandia Energy Co Inc | Michigan | 0 BBLs | 0 MCF | Apr 1984 - Dec 1993 |
| Schmude And Pangborn Associates | Michigan | 0 BBLs | 0 MCF | Jan 1982 - Apr 1993 |
| Schmude Oil Co | Michigan | 0 BBLs | 0 MCF | Jan 1986 - Mar 2014 |
| Schmude Oil Inc | Michigan | 202 BBLs | 4,405 MCF | Jul 1984 - Oct 2024 |
| Schnell Louis L | Michigan | 0 BBLs | 0 MCF | Dec 1997 - Dec 2018 |
| Scott Don Drilling Co Inc | Michigan | 0 BBLs | 0 MCF | Mar 1983 - Oct 2000 |
| Security Gas And Oil Inc | Michigan | 0 BBLs | 0 MCF | Nov 1984 - Jul 1989 |
| Semco Energy Gas Co | Michigan | 0 BBLs | 0 MCF | Jan 1985 - Jan 2000 |
| Shell Onshore Ventures Inc | Michigan | 0 BBLs | 0 MCF | Aug 1997 - Jun 2002 |
| Sherred Homer G And Fleeharty Willie W | Michigan | 0 BBLs | 0 MCF | Jan 1982 - Jun 1991 |
| Silver Petroleum Inc | Michigan | 0 BBLs | 0 MCF | Jan 1988 - Dec 2001 |
| Slow Stroke Productions LLC | Michigan | 38 BBLs | 0 MCF | Jan 2003 - Oct 2024 |
| Smith Petroleum Co | Michigan | 0 BBLs | 0 MCF | Jan 1982 - Dec 2009 |
| Somoco Inc | Michigan | 1,857 BBLs | 0 MCF | Oct 1985 - Sep 2024 |
| South Romeo Gas Storage Company LLC | Michigan | 0 BBLs | 0 MCF | Jan 1985 - Feb 1994 |
| Southern Energy Operating Co Inc | Michigan | 0 BBLs | 0 MCF | Dec 2020 - Apr 2024 |
| Spruce Energy LLC | Michigan | 0 BBLs | 0 MCF | Jun 2009 - Apr 2010 |
| Sputnik Resources LC | Michigan | 0 BBLs | 0 MCF | Apr 2005 - Jan 2009 |
| St Cleric Resources LLC | Michigan | 0 BBLs | 0 MCF | May 2018 - Jul 2024 |
| Staton Petroleum Inc | Michigan | 0 BBLs | 0 MCF | Jan 1982 - Dec 1994 |