LEASES · O-11-67299 · OIL · DISTRICT 8A
Nix 31
ReportingDiamondback E&P LLC · Dawson County · Gin (Spraberry) field
Nix 31 is an RRC oil lease (O-11-67299) in Dawson County operated by Diamondback E&P LLC, with 2 wells completed on it.
It has reported 179K barrels of oil and 136K mcf of gas since September 1994, last reporting volume in April 2026 (statewide data runs through April 2026).
It reported 526 barrels of oil in the 12 months through April 2026, down 54% on the year before; the lease peaked at 2.73K barrels in July 1996.
3 operators have filed production on it, most recently Diamondback E&P LLC since January 2025.
- 179K
- bbl oil, all reported
- 136K
- mcf gas incl. casinghead
- 526
- bbl oil, 12 months through Apr 2026
- -54%
- vs the 12 before
- 2
- wells completed on it
- 2.73K
- peak month, bbl (Jul 1996)
PDQ LEASE REPORTS · FIRST SEP 1994 · 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 526 · prior 12 1,136(-54%)
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 0 · prior 12 651(-100%)
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.
- R K Petroleum Corp.Sep 1994 → Oct 2000 · 74 mo
- Endeavor Energy Resources L.P.Nov 2000 → Dec 2024 · 290 mo
- Diamondback E&P LLCJan 2025 → Jul 2026 · 19 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
2
wells completed on the lease
- Plugged
- 1
- Producing
- 1
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-11-67299, documented in the API reference.