LEASES · O-9-20087 · OIL · DISTRICT 7C
Sinclair 8C
ReportingPermian Resources Operating, LLC · Reagan County · Spraberry (Trend Area) field
Sinclair 8c is an RRC oil lease (O-9-20087) in Reagan County operated by Permian Resources Operating, LLC, with one well completed on it.
It has reported 235K barrels of oil and 1.57M mcf of gas since November 2018, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 6.2K barrels of oil, down 40% on the year before; the lease peaked at 20.1K barrels in January 2019.
2 operators have filed production on it, most recently Permian Resources Operating, LLC since November 2023.
- 235K
- bbl oil, all reported
- 1.57M
- mcf gas incl. casinghead
- 6.2K
- bbl oil, last 12 reported
- -40%
- vs the 12 before
- 1
- wells completed on it
- 20.1K
- peak month, bbl (Jan 2019)
PDQ LEASE REPORTS · FIRST NOV 2018 · 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 6,201 · prior 12 10,281(-40%)
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 310,688 · prior 12 97,114(+220%)
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.
- Earthstone Operating, LLCNov 2018 → Oct 2023 · 60 mo
- Permian Resources Operating, LLCNov 2023 → Jul 2026 · 33 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-9-20087, documented in the API reference.