SIMMONS OIL UNIT
SIMMONS OIL UNIT is a Texas oil lease in Cass County, Railroad Commission district 06, operated by Costilla Energy, Inc. It has 1 wellbore on file with the Commission. Reported production runs from September 1998 to August 2026, totalling 29,310 barrels. The lease is not currently producing.
| Operator | Costilla Energy, Inc. |
|---|---|
| Field | Linden, East ( Cotton Valley) |
| County | Cass County, Texas |
| RRC district | 06 |
| Lease number | 13867 |
| Wellbores | 1 |
| Reported production | 29,310 bbl |
| First reported | September 1998 |
| Last reported | August 2026 |
Production figures are as reported to the Railroad Commission of Texas. The value shown is an estimate produced by fitting a decline curve to that reported history; it is not an offer or an appraisal.