LEASES · O-9-18440 · OIL · DISTRICT 7C
Drennan Trust
ReportingRetriever Operating LLC · Runnels County · Elm Creek (Palo Pinto) field
Drennan Trust is an RRC oil lease (O-9-18440) in Runnels County operated by Retriever Operating LLC, with one well completed on it.
It has reported 5.57K barrels of oil and 1.3K mcf of gas since March 2014, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 283 barrels of oil, down 3% on the year before; the lease peaked at 477 barrels in April 2014.
3 operators have filed production on it, most recently Retriever Operating LLC since August 2025.
- 5.57K
- bbl oil, all reported
- 1.3K
- mcf gas incl. casinghead
- 283
- bbl oil, last 12 reported
- -3%
- vs the 12 before
- 1
- wells completed on it
- 477
- peak month, bbl (Apr 2014)
PDQ LEASE REPORTS · FIRST MAR 2014 · 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.
Last 12 months 283 · prior 12 293(-3%)
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 0 · prior 12 0
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.
- Wishbone Texas Operating Co LLCMar 2014 → Jan 2019 · 59 mo
- Ring Energy, Inc.Feb 2019 → Jul 2025 · 78 mo
- Retriever Operating LLCAug 2025 → Jul 2026 · 12 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
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-9-18440, documented in the API reference.