LEASES · O-11-70442 · OIL · DISTRICT 8A
West Sundown Unit
ReportingOXY USA EOR, LLC · Hockley County · Slaughter field
West Sundown Unit is an RRC oil lease (O-11-70442) in Hockley County operated by Oxy USA Eor, LLC, with 240 wells completed on it.
It has reported 6.39M barrels of oil and 4.65M mcf of gas since May 2016, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 891K barrels of oil, down 5% on the year before; the lease peaked at 83.2K barrels in March 2023.
2 operators have filed production on it, most recently Oxy USA Eor, LLC since May 2026.
- 6.39M
- bbl oil, all reported
- 4.65M
- mcf gas incl. casinghead
- 891K
- bbl oil, last 12 reported
- -5%
- vs the 12 before
- 240
- wells completed on it
- 83.2K
- peak month, bbl (Mar 2023)
PDQ LEASE REPORTS · FIRST MAY 2016 · 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.
Last 12 months 891,436 · prior 12 936,792(-5%)
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 535,070 · prior 12 832,821(-36%)
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.
- OXY USA Inc.May 2016 → Apr 2026 · 120 mo
- OXY USA EOR, LLCMay 2026 → Jul 2026 · 3 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
240
wells completed on the lease
- Producing
- 123
- Injection
- 71
- Plugged
- 24
- Shut IN
- 22
Operates them now
- OXY USA Inc.
- 187
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-11-70442, documented in the API reference.