LEASES · O-10-41464 · OIL · DISTRICT 08
UL III 12
ReportingDiamondback E&P LLC · Andrews County · Spraberry (Trend Area) field
UL Iii 12 is an RRC oil lease (O-10-41464) in Andrews County operated by Diamondback E&P LLC, with one well completed on it.
It has reported 59.8K barrels of oil and 65.9K mcf of gas since April 2011, last reporting volume in April 2026 (statewide data runs through April 2026).
It reported 4.48K barrels of oil in the 12 months through April 2026, down 1% on the year before; the lease peaked at 3.02K barrels in August 2011.
2 operators have filed production on it, most recently Diamondback E&P LLC since July 2012.
- 59.8K
- bbl oil, all reported
- 65.9K
- mcf gas incl. casinghead
- 4.48K
- bbl oil, 12 months through Apr 2026
- -1%
- vs the 12 before
- 1
- wells completed on it
- 3.02K
- peak month, bbl (Aug 2011)
PDQ LEASE REPORTS · FIRST APR 2011 · 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 4,479 · prior 12 4,518(-1%)
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 372 · prior 12 320(+16%)
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.
- Windsor Permian LLCFeb 2011 → Jun 2012 · 17 mo
- Diamondback E&P LLCJul 2012 → Jul 2026 · 169 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.
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