LEASES · O-10-35059 · OIL · DISTRICT 08
Calverley
No volume since Aug 2019Fed Operating LLC · Glasscock County · Cobra (Wolfcamp) field
Calverley is an RRC oil lease (O-10-35059) in Glasscock County operated by Fed Operating LLC, with one well completed on it.
It has reported 901K barrels of oil and 1.8M mcf of gas since September 1996, last reporting volume in August 2019 (statewide data runs through April 2026).
The last 12 reported months total 2.79K barrels of oil, down 51% on the year before; the lease peaked at 10.7K barrels in October 1996.
3 operators have filed production on it, most recently Fed Operating LLC since July 2019.
- 901K
- bbl oil, all reported
- 1.8M
- mcf gas incl. casinghead
- 2.79K
- bbl oil, last 12 reported
- -51%
- vs the 12 before
- 1
- wells completed on it
- 10.7K
- peak month, bbl (Oct 1996)
PDQ LEASE REPORTS · FIRST SEP 1996 · LAST VOLUME AUG 2019 · 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 2,788 · prior 12 5,713(-51%)
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 11,922 · prior 12 23,202(-49%)
Who reported it
Each run of months one operator filed the production report, oldest first.
- Dyad Petroleum CompanySep 1996 → Feb 2017 · 246 mo
- Rio Oil and Gas (Permian) Ii,llcMar 2017 → Jun 2019 · 28 mo
- Fed Operating LLCJul 2019 → Jan 2020 · 7 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.
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