LEASES · O-9-3901 · OIL · DISTRICT 7C
Windham "T"
ReportingPioneer Natural Res. USA, Inc. · Upton County · Spraberry (Trend Area) field
Windham "T" is an RRC oil lease (O-9-3901) in Upton County operated by Pioneer Natural Res. USA, Inc., with 5 wells completed on it.
It has reported 135K barrels of oil and 606K mcf of gas since January 1993, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 1.17K barrels of oil, down 18% on the year before; the lease peaked at 2.47K barrels in August 2003.
4 operators have filed production on it, most recently Pioneer Natural Res. USA, Inc. since September 1997.
- 135K
- bbl oil, all reported
- 606K
- mcf gas incl. casinghead
- 1.17K
- bbl oil, last 12 reported
- -18%
- vs the 12 before
- 5
- wells completed on it
- 2.47K
- peak month, bbl (Aug 2003)
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 1,170 · prior 12 1,420(-18%)
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 45,949 · prior 12 14,407(+219%)
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.
- Graham Royalty, Ltd.Jan 1993 → Nov 1993 · 11 mo
- Midpar L.P.Dec 1993 → Feb 1995 · 15 mo
- Parker & Parsley Development L.PMar 1995 → Aug 1997 · 30 mo
- Pioneer Natural Res. USA, Inc.Sep 1997 → Jul 2026 · 347 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
5
wells completed on the lease
- Plugged
- 3
- NO Type on File
- 1
- Shut IN
- 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-9-3901, documented in the API reference.