Oil & Gas Companies in Duchesne County, UT
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | Samson Resources Company | Tulsa, OK 74103 | Oil & Gas Operator | Nov 2025 |
| 2 | Santa Fe Energy Company | Midland, TX 79701 | Oil & Gas Operator | Dec 2015 |
| 3 | Santa Fe Snyder Corporation | Houston, TX 77024 | Oil & Gas Operator | Oct 2000 |
| 4 | Sapient Energy Corp | Oklahoma City, OK 73154 | Oil & Gas Operator | Jan 2002 |
| 5 | Scout Energy Management LLC | Dallas, TX 75240 | Oil & Gas Operator | Feb 2026 |
| 6 | Sego Resources Corp | Denver, CO 80293-0621 | Oil & Gas Operator | Dec 1999 |
| 7 | Sfeop | Midland, TX 79701 | Oil & Gas Operator | Mar 1994 |
| 8 | Shell Oil Co. | Houston, TX 77001 | Oil & Gas Operator | Jun 1985 |
| 9 | Shenandoah Energy Inc | Denver, CO 80265-1050 | Oil & Gas Operator | Dec 2014 |
| 10 | SM Energy Company | Midland, TX 79707 | Oil & Gas Operator | Feb 2026 |
| 11 | Snyder Oil Corporation | Houston, TX 77024 | Oil & Gas Operator | Mar 2008 |
| 12 | Sohio-Stand Oil Prod Co | Houston, TX 77210-9928 | Oil & Gas Operator | Jan 1989 |
| 13 | Sonat Exploration Co. | Houston, TX 77251 | Oil & Gas Operator | Dec 2021 |
| 14 | Southland Royalty Company | Houston, TX 77210 | Oil & Gas Operator | Sep 2011 |
| 15 | Standard Oil Co Of Calif | | Oil & Gas Operator | Dec 1983 |
| 16 | Stevenson, Albert | | Oil & Gas Operator | Jun 1979 |
| 17 | Sun Oil Company | Dallas, TX 75373 | Oil & Gas Operator | Dec 2021 |
| 18 | Swepi/Western Division | Houston, TX 77210 | Oil & Gas Operator | Aug 1984 |
Production numbers shown above are only for Duchesne County, UT and for the production period listed.