CIERVO
CIERVO is a Texas oil lease in La Salle County, Railroad Commission district 01, operated by Swift Energy Operating, LLC. It has 3 wellbores on file with the Commission. Reported production runs from May 2007 to August 2026, totalling 32,356 barrels. The lease is shut in. Over the last twelve months on file it averaged 22 barrels a month, about 7 per wellbore. Its strongest month on the record we hold was February 2020, at 189 barrels.
Key facts about CIERVO
- Who operates CIERVO?
- CIERVO is operated by Swift Energy Operating, LLC, Railroad Commission of Texas operator number 833348.
- Where is CIERVO?
- CIERVO is a Texas oil lease in La Salle County, Texas, in Railroad Commission district 01. Its Railroad Commission lease number is 14922.
- Is CIERVO still producing?
- CIERVO is shut in. The most recent month of production reported to the Railroad Commission of Texas for CIERVO is August 2026.
- How much has CIERVO produced?
- CIERVO has reported 32,356 barrels of oil (bbl) to the Railroad Commission of Texas between May 2007 and August 2026, from 3 wellbores.
Lease record
| Operator | Swift Energy Operating, LLC |
|---|---|
| Field | Sun T S H (Olmos) |
| County | La Salle County, Texas |
| RRC district | 01 |
| Lease number | 14922 |
| Wellbores | 3 |
| Reported production | 32,356 bbl |
| First reported | |
| Last reported |
Where CIERVO sits
Source: Railroad Commission of Texas lease production records, complete through . Figures on this page were computed on .
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. How this estimate is calculated.