LEASES · O-9-11521 · OIL · DISTRICT 7C
McMaster "D"
Pioneer Natural Res. USA, Inc. · Reagan County · Spraberry (Trend Area) field
Mcmaster "D" is an RRC oil lease (O-9-11521) in Reagan County operated by Pioneer Natural Res. USA, Inc., with one well completed on it.
It has reported 18.2K barrels of oil and 399K mcf of gas since the record begins in January 1993, last reporting volume in March 2023 (statewide data runs through August 2026).
No volume was reported in the 12 months through August 2026; the last was in March 2023.
4 operators have filed production on it, most recently Pioneer Natural Res. USA, Inc. since June 2021.
- 18.2K
- bbl oil, all reported
- 399K
- mcf gas incl. casinghead
- 0
- bbl oil, 12 months through Aug 2026
- —
- vs the 12 before
- 1
- wells completed on it
- 195
- peak month, bbl (Nov 1993)
PDQ LEASE REPORTS · ON RECORD FROM JAN 1993, THE RECORD'S FIRST MONTH · LAST VOLUME MAR 2023 · STATEWIDE DATA THROUGH AUG 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 Aug 2026 0 · prior 12 0
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 Aug 2026 0 · prior 12 0
Who reported it
Each run of months one operator filed the production report, oldest first, with what it reported in them.
- Cox, John L.Jan 1993 → Sep 2003 · 129 mo10.1K bbl oil · 164K mcf gas
- JM Cox Resources, L.P.Oct 2003 → Aug 2018 · 179 mo6.97K bbl oil · 196K mcf gas
- DE3 Operating LLCSep 2018 → May 2021 · 33 mo680 bbl oil · 24.6K mcf gas
- Pioneer Natural Res. USA, Inc.Jun 2021 → Aug 2026 · 63 mo506 bbl oil · 15K mcf gas
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
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 Aug 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-9-11521, documented in the API reference.