LEASES · O-10-33853 · OIL · DISTRICT 08
Clark B
Diamondback E&P LLC · Glasscock County · Spraberry (Trend Area) field
Clark B is an RRC oil lease (O-10-33853) in Glasscock County operated by Diamondback E&P LLC, with one well completed on it.
It has reported 19.4K barrels of oil and 33.6K mcf of gas since March 1993, last reporting volume in April 2026 (statewide data runs through April 2026).
It reported 797 barrels of oil in the 12 months through April 2026, down 22% on the year before; the lease peaked at 266 barrels in January 2023.
6 operators have filed production on it, most recently Diamondback E&P LLC since February 2019.
- 19.4K
- bbl oil, all reported
- 33.6K
- mcf gas incl. casinghead
- 797
- bbl oil, 12 months through Apr 2026
- -22%
- vs the 12 before
- 1
- wells completed on it
- 266
- peak month, bbl (Jan 2023)
PDQ LEASE REPORTS · FIRST MAR 1993 · LAST VOLUME APR 2026 · 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.
12 months through Apr 2026 797 · prior 12 1,028(-22%)
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.
12 months through Apr 2026 263 · prior 12 288(-9%)
Decline curve
None shown. Petrora fits an Arps curve only when the last ten years of oil reports follow one decline closely enough to project (R² of 0.7 or better over at least a year since the peak). This lease's recent history does not, so a projection would be a guess dressed as a number.
Who reported it
Each run of months one operator filed the production report, oldest first.
- JJ Oil & GasMar 1993 → Dec 1995 · 34 mo
- Big Lake J J Oil & Gas, Inc.Jan 1996 → Nov 2012 · 203 mo
- Bluestem Energy Holdings, LLCDec 2012 → Aug 2014 · 21 mo
- Diamondback E&P LLCSep 2014 → Jan 2018 · 41 mo
- Energen Resources CorporationFeb 2018 → Jan 2019 · 12 mo
- Diamondback E&P LLCFeb 2019 → Jul 2026 · 90 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.
Developers: this page as JSON is GET /v1/data/leases/tx/o-10-33853, documented in the API reference.