LEASES · O-1-14922 · OIL · DISTRICT 01
Ciervo
ReportingPetrovybe Opco LLC · LA Salle County · Sun T S H (Olmos) field
Ciervo is an RRC oil lease (O-1-14922) in La Salle County operated by Petrovybe Opco LLC, with 3 wells completed on it.
It has reported 32.4K barrels of oil and 512K mcf of gas since May 2007, last reporting volume in December 2025 (statewide data runs through April 2026).
The last 12 reported months total 266 barrels of oil, up 47% on the year before; the lease peaked at 1.47K barrels in October 2007.
4 operators have filed production on it, most recently Petrovybe Opco LLC since December 2025.
- 32.4K
- bbl oil, all reported
- 512K
- mcf gas incl. casinghead
- 266
- bbl oil, last 12 reported
- +47%
- vs the 12 before
- 3
- wells completed on it
- 1.47K
- peak month, bbl (Oct 2007)
PDQ LEASE REPORTS · FIRST MAY 2007 · LAST VOLUME DEC 2025 · STATEWIDE DATA THROUGH APR 2026
Oil by month
Barrels reported on Form PR for the whole lease. The latest months are revised upward as late reports arrive.
Last 12 months 266 · prior 12 181(+47%)
Gas by month
Gas-well gas plus casinghead gas, mcf. On an oil lease all gas is reported as casinghead. The latest months are revised upward as late reports arrive.
Last 12 months 9,057 · prior 12 14,627(-38%)
Decline curve
None shown. Petrora fits an Arps curve only when the last ten years of oil reports follow one decline closely enough to project (R² of 0.7 or better over at least a year since the peak). This lease's recent history does not, so a projection would be a guess dressed as a number.
Who reported it
Each run of months one operator filed the production report, oldest first.
- Swift Energy Operating, LLCMay 2007 → Sep 2016 · 113 mo
- Blue Marble Resources OP, LLCOct 2016 → Feb 2019 · 29 mo
- Fletcher Operating, LLCMar 2019 → Nov 2025 · 81 mo
- Petrovybe Opco LLCDec 2025 → Jul 2026 · 8 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
3
wells completed on the lease
- NO Type on File
- 2
- Producing
- 1
Operates them now
About this data
Monthly oil, gas, and casinghead from the RRC PDQ production dump, which lags the reporting month by two to three months; figures shown through Apr 2026. Wells from completion reports; operator runs from who filed each month's report.
Developers: this page as JSON is GET /v1/data/leases/tx/o-1-14922, documented in the API reference.