WELL · 42-383-35979 · DISTRICT 7

University "12-12" #4

N

Reagan County  · Vertical

University "12-12" #4 (API 42-383-35979) is a permitted well in Reagan County filed by Pioneer Natural Res. USA, Inc.; no completion report is on file yet.

The RRC has issued 2 drilling permits between 1983 and 2007, permitted to 9,500 ft.

Completion filings report 3 formation tops, including Spraberry, Dean, Wolfcamp.

Its lease has reported 31.6K barrels of oil and 76.2K mcf of gas since October 2007, last reporting in July 2026. The lease carries 4 wells, so these are lease totals, not this well alone.

Operator of record

Pioneer Natural Res. USA, Inc.

Based in
Spring, TX
P-5 status
Active (A)
P-5 last filed
Jul 8, 2026
Permits on file
15,628
Phone
(972) 444-4001

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedulenone
Production reportsReverence Operating LLCthrough Apr 2026
Latest permitPioneer Natural Res. USA, Inc.May 19, 2007
9,500
total depth, ft
2
permits on file
May 19, 2007
last permit issued
—
completed
31.6K
cumulative oil, bbl
76.2K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Oct 2007 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
—
Shut in
—
Plugged
—

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 "12-12" O-9-16384Spraberry (Trend Area)Reverence Operating LLC431.6K76.2KOct 2007 – Jul 2026

Oil, barrels lease total

Last 12 months 1,200 · prior 12 1,817(-34%)

0200400202420252026

Gas, mcf lease total

Last 12 months 0 · prior 12 20(-100%)

01020202420252026

Chain of custody

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

  1. 1Pioneer Natural Res. USA, Inc.Nov 2007 → Feb 2022
  2. 2Reverence Operating LLCJun 2024 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
638796-99DrillPioneer Natural Res. USA, Inc.May 10, 2007May 19, 2007Jul 28, 20079,500
212654-99DrillPalo Petroleum, Inc.Aug 30, 1983Sep 15, 1983—7,100

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-9-16384————

Formation tops

As filed on W-2/G-1. Subsea from 2,698 ft elevation.Download CSV →

FormationMD ftSubsea
SpraberryTOP UPPER SPRABERRY5,304-2,606
SpraberryTOP LOWER SPRABERRY5,812-3,114
DeanTOP DEAN6,576-3,878
WolfcampTOP WOLFCAMP6,750-4,052

Perforations

Perforated and open-hole intervals.

FromToType
5,3195,328Perforated
5,9726,121Perforated
6,6196,716Perforated
6,9337,080Perforated
7,5087,539Perforated
8,1178,365Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
12.7585617.5850 S
4.59,0837.8751,130 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
00Jan 14, 2008Dec 13, 2007Yes
00Jan 3, 2008——

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.

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/38335979, documented in the API reference.