LEASES · O-10-27818 · OIL · DISTRICT 08
South Fault Block Unit
ReportingMaverick Permian LLC · Ector County · Andector (Ellenburger) field
South Fault Block Unit is an RRC oil lease (O-10-27818) in Ector County operated by Maverick Permian LLC, with 45 wells completed on it.
It has reported 4.13M barrels of oil and 3.32M mcf of gas since January 1993, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 67.6K barrels of oil, up 5% on the year before; the lease peaked at 23.3K barrels in January 1996.
3 operators have filed production on it, most recently Maverick Permian LLC since April 2022.
- 4.13M
- bbl oil, all reported
- 3.32M
- mcf gas incl. casinghead
- 67.6K
- bbl oil, last 12 reported
- +5%
- vs the 12 before
- 45
- wells completed on it
- 23.3K
- peak month, bbl (Jan 1996)
PDQ LEASE REPORTS · FIRST JAN 1993 · 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 67,580 · prior 12 64,221(+5%)
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 40,518 · prior 12 35,813(+13%)
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.
- Phillips Petroleum CompanyJan 1993 → Dec 2002 · 120 mo
- Conocophillips CompanyJan 2003 → Mar 2022 · 231 mo
- Maverick Permian LLCApr 2022 → Jul 2026 · 52 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
45
wells completed on the lease
- Not on Schedule
- 15
- Plugged
- 13
- Shut In
- 12
- Producing
- 5
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-10-27818, documented in the API reference.