LEASES · O-10-21431 · OIL · DISTRICT 08
TXL Devonian Main Pay Unit
ReportingOXY USA WTP EOR, LLC · Ector County · TXL (Devonian-Main Pay) field
Txl Devonian Main Pay Unit is an RRC oil lease (O-10-21431) in Ector County operated by Oxy USA Wtp Eor, LLC, with 61 wells completed on it.
It has reported 857K barrels of oil and 5.5M mcf of gas since January 1993, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 21.7K barrels of oil, up 48% on the year before; the lease peaked at 4.3K barrels in October 1998.
4 operators have filed production on it, most recently Oxy USA Wtp Eor, LLC since May 2026.
- 857K
- bbl oil, all reported
- 5.5M
- mcf gas incl. casinghead
- 21.7K
- bbl oil, last 12 reported
- +48%
- vs the 12 before
- 61
- wells completed on it
- 4.3K
- peak month, bbl (Oct 1998)
PDQ LEASE REPORTS · FIRST JAN 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.
Last 12 months 21,692 · prior 12 14,633(+48%)
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 117,858 · prior 12 107,169(+10%)
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.
- Shell Western E&P Inc.Jan 1993 → Dec 1995 · 36 mo
- OXY USA Inc.Jan 1996 → Dec 2000 · 60 mo
- OXY USA WTP LPJan 2001 → Apr 2026 · 304 mo
- OXY USA WTP EOR, LLCMay 2026 → Jul 2026 · 3 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
61
wells completed on the lease
- Shut In
- 28
- Plugged
- 21
- Not on Schedule
- 7
- Producing
- 5
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-10-21431, documented in the API reference.