LEASES · O-1-18534 · OIL · DISTRICT 01
Cotulla East Unit
ReportingVerdun Oil EF II LLC · La Salle County · Eagleville (Eagle Ford-1) field
Cotulla East Unit is an RRC oil lease (O-1-18534) in La Salle County operated by Verdun Oil EF II LLC, with 2 wells completed on it.
It has reported 500K barrels of oil and 1.4M mcf of gas since August 2015, last reporting volume in April 2026 (statewide data runs through April 2026).
It reported 18.4K barrels of oil in the 12 months through April 2026, down 9% on the year before; the lease peaked at 32.8K barrels in October 2015.
4 operators have filed production on it, most recently Verdun Oil EF II LLC since March 2025.
- 500K
- bbl oil, all reported
- 1.4M
- mcf gas incl. casinghead
- 18.4K
- bbl oil, 12 months through Apr 2026
- -9%
- vs the 12 before
- 2
- wells completed on it
- 32.8K
- peak month, bbl (Oct 2015)
PDQ LEASE REPORTS · FIRST AUG 2015 · LAST VOLUME APR 2026 · 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.
12 months through Apr 2026 18,353 · prior 12 20,067(-9%)
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.
12 months through Apr 2026 27,136 · prior 12 25,300(+7%)
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.
- Carrizo (Eagle Ford) LLCJun 2015 → Jan 2018 · 32 mo
- EP Energy E&P Company, L.P.Feb 2018 → Apr 2022 · 51 mo
- EP Energy E&P Company, LLCMay 2022 → Feb 2025 · 34 mo
- Verdun Oil EF II LLCMar 2025 → Jul 2026 · 17 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
2
wells completed on the lease
- Producing
- 2
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-1-18534, documented in the API reference.