LEASES · O-10-45162 · OIL · DISTRICT 08
Calverley 9
No volume since Aug 2023COG Operating LLC · Glasscock County · Spraberry (Trend Area) field
Calverley 9 is an RRC oil lease (O-10-45162) in Glasscock County operated by Cog Operating LLC, with 3 wells completed on it.
It has reported 91.5K barrels of oil and 337K mcf of gas since April 2014, last reporting volume in August 2023 (statewide data runs through April 2026).
The last 12 reported months total 185 barrels of oil, down 72% on the year before; the lease peaked at 6.55K barrels in May 2014.
3 operators have filed production on it, most recently Cog Operating LLC since August 2018.
- 91.5K
- bbl oil, all reported
- 337K
- mcf gas incl. casinghead
- 185
- bbl oil, last 12 reported
- -72%
- vs the 12 before
- 3
- wells completed on it
- 6.55K
- peak month, bbl (May 2014)
PDQ LEASE REPORTS · FIRST APR 2014 · LAST VOLUME AUG 2023 · 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 185 · prior 12 650(-72%)
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 3,568 · prior 12 9,667(-63%)
Who reported it
Each run of months one operator filed the production report, oldest first.
- Adventure Expl Partners II, LLCApr 2014 → Aug 2014 · 5 mo
- RSP Permian, LLCSep 2014 → Jul 2018 · 47 mo
- COG Operating LLCAug 2018 → Mar 2024 · 68 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
3
wells completed on the lease
- Plugged
- 3
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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