LEASES · O-10-33486 · OIL · DISTRICT 08

Blalock "A"

No volume since Jul 2019

COG Operating LLC · Glasscock County · Blalock (Wolfcamp) field

Blalock "A" is an RRC oil lease (O-10-33486) in Glasscock County operated by Cog Operating LLC, with 3 wells completed on it.

It has reported 92.3K barrels of oil and 233K mcf of gas since January 1993, last reporting volume in July 2019 (statewide data runs through April 2026).

The last 12 reported months total 5 barrels of oil, down 96% on the year before; the lease peaked at 7.08K barrels in August 1993.

3 operators have filed production on it, most recently Cog Operating LLC since August 2018.

92.3K
bbl oil, all reported
233K
mcf gas incl. casinghead
5
bbl oil, last 12 reported
-96%
vs the 12 before
3
wells completed on it
7.08K
peak month, bbl (Aug 1993)

PDQ LEASE REPORTS · FIRST JAN 1993 · LAST VOLUME JUL 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 5 · prior 12 120(-96%)

0501001502011201220132014201520162017201820192020

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

01002002011201220132014201520162017201820192020

Who reported it

Each run of months one operator filed the production report, oldest first.

  1. Thompson, J. CleoJan 1993 → Jul 2015 · 271 mo
  2. RSP Permian, LLCAug 2015 → Jul 2018 · 36 mo
  3. COG Operating LLCAug 2018 → May 2020 · 22 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

3

wells completed on the lease

Plugged
2
NO Type on File
1

Newest permits

All 3 wells, searchable →

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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