LEASES · O-10-34145 · OIL · DISTRICT 08
Mullins "18-B"
ReportingSimata Energy, LLC · Andrews County · Fullerton field
Mullins "18-B" is an RRC oil lease (O-10-34145) in Andrews County operated by Simata Energy, LLC, with one well completed on it.
It has reported 25.1K barrels of oil and 15K mcf of gas since April 1994, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 335 barrels of oil, down 24% on the year before; the lease peaked at 722 barrels in May 1994.
3 operators have filed production on it, most recently Simata Energy, LLC since October 2023.
- 25.1K
- bbl oil, all reported
- 15K
- mcf gas incl. casinghead
- 335
- bbl oil, last 12 reported
- -24%
- vs the 12 before
- 1
- wells completed on it
- 722
- peak month, bbl (May 1994)
PDQ LEASE REPORTS · FIRST APR 1994 · 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 335 · prior 12 440(-24%)
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.
- Kinlaw Oil CorporationApr 1994 → Jun 1995 · 15 mo
- Crestridge Drlg. & Prod.co.,llcJul 1995 → Sep 2023 · 339 mo
- Simata Energy, LLCOct 2023 → Jul 2026 · 34 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-10-34145, documented in the API reference.