LEASES · O-10-26891 · OIL · DISTRICT 08
Calverley (P) "B"
No volume since Oct 2013COG Operating LLC · Glasscock County · Spraberry (Trend Area) field
Calverley (P) "B" is an RRC oil lease (O-10-26891) in Glasscock County operated by Cog Operating LLC, with 2 wells completed on it.
It has reported 20.9K barrels of oil and 41K mcf of gas since January 1993, last reporting volume in October 2013 (statewide data runs through April 2026).
No volume was reported in the last 12 months; the last was in October 2013.
4 operators have filed production on it, most recently Cog Operating LLC since August 2018.
- 20.9K
- bbl oil, all reported
- 41K
- mcf gas incl. casinghead
- 0
- bbl oil, last 12 reported
- —
- vs the 12 before
- 2
- wells completed on it
- 473
- peak month, bbl (Apr 1996)
PDQ LEASE REPORTS · FIRST JAN 1993 · LAST VOLUME OCT 2013 · 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.
- Palo Petroleum, Inc.Jan 1993 → Oct 2006 · 166 mo
- Endeavor Energy Resources L.P.Nov 2006 → Jun 2015 · 104 mo
- RSP Permian, LLCJul 2015 → Jul 2018 · 37 mo
- COG Operating LLCAug 2018 → Jul 2026 · 96 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
2
wells completed on the lease
- Plugged
- 2
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-10-26891, documented in the API reference.