LEASES · O-9-4626 · OIL · DISTRICT 7C

University-Longhorn 28

No volume since Dec 2015

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

University-Longhorn 28 is an RRC oil lease (O-9-4626) in Upton County operated by Pioneer Natural Res. USA, Inc., with 2 wells completed on it.

It has reported 48.6K barrels of oil and 136K mcf of gas since the record begins in January 1993, last reporting volume in December 2015 (statewide data runs through August 2026).

No volume was reported in the 12 months through August 2026; the last was in December 2015.

4 operators have filed production on it, most recently Pioneer Natural Res. USA, Inc. since May 2006.

48.6K
bbl oil, all reported
136K
mcf gas incl. casinghead
0
bbl oil, 12 months through Aug 2026
—
vs the 12 before
2
wells completed on it
521
peak month, bbl (Dec 2002)

PDQ LEASE REPORTS · ON RECORD FROM JAN 1993, THE RECORD'S FIRST MONTH · LAST VOLUME DEC 2015 · STATEWIDE DATA THROUGH AUG 2026

Oil by year

Each bar is a year's total of the monthly reports, Jan 1993 to Dec 2015. Nothing reported since, through Aug 2026.

Oil, bbl

01,0002,0003,0004,00019941996199820002002200420062008201020122014

Gas by year

Each bar is a year's total of the monthly reports, gas-well gas plus casinghead, Jan 1993 to Nov 2015. Nothing reported since, through Aug 2026.

Gas, mcf

05,00010,00015,00019941996199820002002200420062008201020122014

Who reported it

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

  1. Oklahoma RB Operating CompanyJan 1993 → Jan 1998 · 61 mo14.2K bbl oil · 50.2K mcf gas
  2. Ram Operating, Inc.Feb 1998 → Sep 1998 · 8 mo2.13K bbl oil · 6.37K mcf gas
  3. Scythian, Ltd.Oct 1998 → Apr 2006 · 91 mo24.4K bbl oil · 33.8K mcf gas
  4. Pioneer Natural Res. USA, Inc.May 2006 → Aug 2016 · 124 mo7.89K bbl oil · 45.8K mcf gas

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

2

wells completed on the lease

Plugged
2

Newest permits

  • — #1—
  • — #1 B—

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.

Developers: this page as JSON is GET /v1/data/leases/tx/o-9-4626, documented in the API reference.