LEASES · O-9-3913 · OIL · DISTRICT 7C
North Pembrook Spraberry Unit
ReportingPioneer Natural Res. USA, Inc. · Upton County and Reagan · Spraberry (Trend Area) field
North Pembrook Spraberry Unit is an RRC oil lease (O-9-3913) in Upton County operated by Pioneer Natural Res. USA, Inc., with 380 wells completed on it.
It has reported 12.9M barrels of oil and 32.5M mcf of gas since January 1993, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 252K barrels of oil, down 18% on the year before; the lease peaked at 98K barrels in August 1997.
3 operators have filed production on it, most recently Pioneer Natural Res. USA, Inc. since September 1997.
- 12.9M
- bbl oil, all reported
- 32.5M
- mcf gas incl. casinghead
- 252K
- bbl oil, last 12 reported
- -18%
- vs the 12 before
- 380
- wells completed on it
- 98K
- peak month, bbl (Aug 1997)
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 251,657 · prior 12 308,433(-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 906,929 · prior 12 1,000,274(-9%)
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.
- Parker & Parsley Development Co.Jan 1993 → Feb 1995 · 26 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
380
wells completed on the lease
- Plugged
- 337
- Shut IN
- 28
- NO Type on File
- 9
- Producing
- 6
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-9-3913, documented in the API reference.