Oil & Gas Companies in San Juan County, UT
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | D J Simmons, Inc | Farmington, NM 87499 | Oil & Gas Operator | Apr 2020 |
| 2 | Daniels Petroleum Co | Denver, CO 80202 | Oil & Gas Operator | Mar 2003 |
| 3 | Davis Oil Company | Denver, CO 80202 | Oil & Gas Operator | Jun 1988 |
| 4 | Delhi-Taylor Oil Corp | | Oil & Gas Operator | Dec 1974 |
| 5 | Delhi-Trading LLC | Durango, CO 81301 | Oil & Gas Operator | Aug 2025 |
| 6 | Diversified Energy LLC | Parker, CO 80138 | Oil & Gas Operator | Aug 2025 |
| 7 | Dugan Production Corp | Farmington, NM 87499 | Oil & Gas Operator | Jul 2025 |
| 8 | Duncan Energy Companyuncan Energy Company | Denver, CO 80210 | Oil & Gas Operator | Jun 1995 |
| 9 | Duncan Oil Inc | Denver, CO 80210 | Oil & Gas Operator | Jun 2016 |
| 10 | Duncan, Raymond T | Denver, CO 80210 | Oil & Gas Operator | Feb 1996 |
| 11 | Dyco Petroleum Corporation | Tulsa, OK 74103 | Oil & Gas Operator | Mar 2015 |
Production numbers shown above are only for San Juan County, UT and for the production period listed.