LEASES · O-11-70545 · OIL · DISTRICT 8A
Stiff Saddle 641-668
ReportingRiley Permian Operating Co, LLC · Yoakum County · Platang (San Andres) field
Stiff Saddle 641-668 is an RRC oil lease (O-11-70545) in Yoakum County operated by Riley Permian Operating CO, LLC, with 5 wells completed on it.
It has reported 389K barrels of oil and 847K mcf of gas since November 2016, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 26.6K barrels of oil, down 29% on the year before; the lease peaked at 6.93K barrels in March 2019.
2 operators have filed production on it, most recently Riley Permian Operating CO, LLC since June 2017.
- 389K
- bbl oil, all reported
- 847K
- mcf gas incl. casinghead
- 26.6K
- bbl oil, last 12 reported
- -29%
- vs the 12 before
- 5
- wells completed on it
- 6.93K
- peak month, bbl (Mar 2019)
PDQ LEASE REPORTS · FIRST NOV 2016 · 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 26,636 · prior 12 37,514(-29%)
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 80,943 · prior 12 126,816(-36%)
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.
- Riley Exploration Opg Co, LLCNov 2016 → May 2017 · 7 mo
- Riley Permian Operating Co, LLCJun 2017 → Jul 2026 · 110 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
5
wells completed on the lease
- 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.
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