LEASES · O-10-39871 · OIL · DISTRICT 08
Zinfandel
Diamondback E&P LLC · Martin County · Spraberry (Trend Area) field
Zinfandel is an RRC oil lease (O-10-39871) in Martin County operated by Diamondback E&P LLC, with 2 wells completed on it.
It has reported 89.1K barrels of oil and 99.4K mcf of gas since August 2009, last reporting volume in April 2026 (statewide data runs through April 2026).
It reported 1.8K barrels of oil in the 12 months through April 2026, down 32% on the year before; the lease peaked at 1.54K barrels in November 2012.
4 operators have filed production on it, most recently Diamondback E&P LLC since November 2018.
- 89.1K
- bbl oil, all reported
- 99.4K
- mcf gas incl. casinghead
- 1.8K
- bbl oil, 12 months through Apr 2026
- -32%
- vs the 12 before
- 2
- wells completed on it
- 1.54K
- peak month, bbl (Nov 2012)
PDQ LEASE REPORTS · FIRST AUG 2009 · 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 1,798 · prior 12 2,649(-32%)
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 1,223 · prior 12 2,766(-56%)
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, with what it reported in them.
- Opal Resources Operating Co.,llcJul 2009 → Apr 2011 · 22 mo17.3K bbl oil · 21K mcf gas
- W&T Offshore, Inc.May 2011 → Dec 2014 · 44 mo24K bbl oil · 31.2K mcf gas
- Ajax Resources, LLCJan 2015 → Oct 2018 · 46 mo19.2K bbl oil · 19.1K mcf gas
- Diamondback E&P LLCNov 2018 → Jul 2026 · 93 mo28.6K bbl oil · 28.1K mcf gas
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
2
wells completed on the lease
- Producing
- 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-10-39871, documented in the API reference.