WELL · 42-461-38055 · DISTRICT 7

University 4-8 #2D

Y

Upton County · Spraberry (Trend Area) field · Injection  · Vertical

University 4-8 #2D (API 42-461-38055) is a well in Upton County operated by Pioneer Natural Res. USA Inc., completed March 11, 2024 and listed as injection on the RRC schedule.

The RRC has issued one drilling permit, issued April 20, 2012, permitted to 4,925 ft.

Completion filings report one formation top, including San Andres.

Its lease has reported 396K barrels of oil and 557K mcf of gas since March 2009, last reporting in July 2026. The lease carries 4 wells, so these are lease totals, not this well alone.

It holds an active disposal or injection permit, with 624K barrels injected in the 12 months reported through November 2025.

Operator of record

Pioneer Natural Res. USA Inc.

Spring, TX · P-5 Y, filed May 4, 2026 · 15,619 permits on file · (972) 598-8150

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedulePioneer Natural Res. USA Inc.
Production reportsPioneer Natural Res. USA, Inc.through Apr 2026
Latest permitPioneer Natural Res. USA, Inc.Apr 20, 2012
4,925
total depth, ft
1
permits on file
Apr 20, 2012
last permit issued
Mar 11, 2024
completed
396K
cumulative oil, bbl
557K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Mar 2009 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Mar 11, 2024
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Texas reports oil by lease, not by well. These are the lease this well is completed on; they carry 4 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
University "4-8" O-9-16925Spraberry (Trend Area)Pioneer Natural Res. USA, Inc.4396K557KMar 2009 – Jul 2026

Oil, barrels lease total

Last 12 months 20,827 · prior 12 21,439(-3%)

01K2K3K202420252026

Gas, mcf lease total

Last 12 months 29,334 · prior 12 35,816(-18%)

02K4K6K202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1Pioneer Natural Res. USA, Inc.Apr 2009 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
737880-99DrillPioneer Natural Res. USA, Inc.Apr 10, 2012Apr 20, 2012May 11, 20124,925

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-9-16925————

Formation tops

As filed on W-2/G-1. Subsea from 2,752 ft elevation.Download CSV →

FormationMD ftSubsea
San AndresTOP OF SAN ANDRES4,000-1,248
San AndresTOP SAN ANDRES4,000-1,248
San AndresBASE OF SAN ANDRES4,400-1,648
San AndresBASE SAN ANDRES4,400-1,648

Perforations

Perforated and open-hole intervals.

FromToType
3,8504,385Perforated
4,0104,365Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.62563012.25350 S
74,5098.75360 S

Completion filings

W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. About these reports →

SuffixFiledW-2 / G-1 dateLogs referenced
00Oct 25, 2024Mar 18, 2024—
00Mar 12, 2019Feb 26, 2019—
00Aug 28, 2018Aug 27, 2018—
00Sep 17, 2014Mar 12, 2014—
00Sep 28, 2012Jul 18, 2012Yes

The source documents

Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.

Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. then paste it into their search.

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Injection

624K
bbl, last 12 reported months
8.89M
bbl, all reported
Nov 2025
reported through
UICKindStatusPermitted bbl/dMax psiZone ft
000104637W-14 DisposalActive18,0001,7253,450–4,400

MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS

Last 12 months 624,279 · prior 12 815,792(-23%)

050K100K20242025

About this data

Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.

New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease

Developers: this page as JSON is GET /v1/data/wells/46138055, documented in the API reference.