LEASES · O-10-36561 · OIL · DISTRICT 08
Windham 40
ReportingDiscovery Operating, Inc. · Midland County · Spraberry (Trend Area) field
Windham 40 is an RRC oil lease (O-10-36561) in Midland County operated by Discovery Operating, Inc., with 13 wells completed on it.
It has reported 500K barrels of oil and 748K mcf of gas since January 2001, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 36.9K barrels of oil, up 74% on the year before; the lease peaked at 5.03K barrels in October 2025.
- 500K
- bbl oil, all reported
- 748K
- mcf gas incl. casinghead
- 36.9K
- bbl oil, last 12 reported
- +74%
- vs the 12 before
- 13
- wells completed on it
- 5.03K
- peak month, bbl (Oct 2025)
PDQ LEASE REPORTS · FIRST JAN 2001 · 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 36,940 · prior 12 21,291(+74%)
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 48,696 · prior 12 36,787(+32%)
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.
- Discovery Operating, Inc.Jan 2001 → Jul 2026 · 307 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
13
wells completed on the lease
- Producing
- 11
- Plugged
- 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-10-36561, documented in the API reference.