LEASES · O-10-22943 · OIL · DISTRICT 08
Calverley 27
No volume since Oct 2019COG Operating LLC · Glasscock County · Spraberry (Trend Area) field
Calverley 27 is an RRC oil lease (O-10-22943) in Glasscock County operated by Cog Operating LLC, with 9 wells completed on it.
It has reported 175K barrels of oil and 722K mcf of gas since January 1993, last reporting volume in October 2019 (statewide data runs through April 2026).
No volume was reported in the last 12 months; the last was in October 2019.
4 operators have filed production on it, most recently Cog Operating LLC since August 2018.
- 175K
- bbl oil, all reported
- 722K
- mcf gas incl. casinghead
- 0
- bbl oil, last 12 reported
- —
- vs the 12 before
- 9
- wells completed on it
- 7.97K
- peak month, bbl (Jun 2015)
PDQ LEASE REPORTS · FIRST JAN 1993 · LAST VOLUME OCT 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 0 · prior 12 0
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
Who reported it
Each run of months one operator filed the production report, oldest first.
- Cox, John L.Jan 1993 → Sep 2003 · 129 mo
- JM Cox Resources, L.P.Oct 2003 → Aug 2014 · 131 mo
- RSP Permian, LLCSep 2014 → Jul 2018 · 47 mo
- COG Operating LLCAug 2018 → May 2024 · 70 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
9
wells completed on the lease
- Plugged
- 5
- Not on Schedule
- 4
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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