LEASES · O-9-18583 · OIL · DISTRICT 7C

Mildred 34

No volume since Mar 2025

Pioneer Natural Res. USA, Inc. · Upton County · Spraberry (Trend Area) R 40 Exc field

Mildred 34 is an RRC oil lease (O-9-18583) in Upton County operated by Pioneer Natural Res. USA, Inc., with 2 wells completed on it.

It has reported 83.6K barrels of oil and 422K mcf of gas since May 2014, last reporting volume in March 2025 (statewide data runs through August 2026).

No volume was reported in the 12 months through August 2026; the last was in March 2025.

2 operators have filed production on it, most recently Pioneer Natural Res. USA, Inc. since February 2021.

83.6K
bbl oil, all reported
422K
mcf gas incl. casinghead
0
bbl oil, 12 months through Aug 2026
-100%
vs the 12 before
2
wells completed on it
2.98K
peak month, bbl (May 2014)

PDQ LEASE REPORTS · FIRST MAY 2014 · LAST VOLUME MAR 2025 · 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 12 521(-100%)

01K2K3K2017201820192020202120222023202420252026

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 8,634(-100%)

02K4K6K2017201820192020202120222023202420252026

Who reported it

Each run of months one operator filed the production report, oldest first, with what it reported in them.

  1. Parsley Energy Operations, LLCMar 2014 → Jan 2021 · 83 mo77.9K bbl oil · 357K mcf gas
  2. Pioneer Natural Res. USA, Inc.Feb 2021 → Nov 2026 · 70 mo5.7K bbl oil · 64.8K mcf gas

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

2

wells completed on the lease

Plugged
1
Producing
1

Newest permits

All 2 wells, searchable →

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.

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