LEASES · O-9-16222 · OIL · DISTRICT 7C
Halff Estate "D"
Pioneer Natural Res. USA, Inc. · Upton County · Spraberry (Trend Area) field
Halff Estate "D" is an RRC oil lease (O-9-16222) in Upton County operated by Pioneer Natural Res. USA, Inc., with one well completed on it.
It has reported 32.7K barrels of oil and 79.8K mcf of gas since April 2007, last reporting volume in April 2026 (statewide data runs through April 2026).
It reported 84 barrels of oil in the 12 months through April 2026, down 88% on the year before; the lease peaked at 1.84K barrels in May 2007.
3 operators have filed production on it, most recently Pioneer Natural Res. USA, Inc. since June 2021.
- 32.7K
- bbl oil, all reported
- 79.8K
- mcf gas incl. casinghead
- 84
- bbl oil, 12 months through Apr 2026
- -88%
- vs the 12 before
- 1
- wells completed on it
- 1.84K
- peak month, bbl (May 2007)
PDQ LEASE REPORTS · FIRST APR 2007 · 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.
12 months through Apr 2026 84 · prior 12 720(-88%)
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 Apr 2026 2,659 · prior 12 1,828(+45%)
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.
- JM Cox Resources, L.P.Apr 2007 → Jul 2018 · 136 mo
- DE3 Operating LLCAug 2018 → May 2021 · 34 mo
- Pioneer Natural Res. USA, Inc.Jun 2021 → Jul 2026 · 62 mo
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 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-9-16222, documented in the API reference.