TEXAS · WELLS · MARTIN COUNTY · API 42-317-37279 · DISTRICT 7B

University 7-43 #4

Shut in

Martin County · Spraberry (Trend Area) field · Shut In  · Vertical

University 7-43 #4 (API 42-317-37279) is a well in Martin County operated by Pioneer Natural Res. USA Inc., completed October 9, 2012 and listed as shut in on the RRC schedule, shut in April 1, 2022.

The RRC has issued one drilling permit, issued October 19, 2011, permitted to 11,499 ft.

Completion filings report 5 formation tops, including Spraberry, Dean, Wolfcamp, Strawn.

Its 3 leases have reported 23.4M barrels of oil and 47.2M mcf of gas since July 2010, last reporting in July 2026. The leases carry 148 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 schedulePioneer Natural Res. USA Inc.
Production reportsPioneer Natural Res. USA, Inc.through Apr 2026
Latest permitPioneer Natural Res. USA, Inc.Oct 19, 2011
11,499
total depth, ft
1
permits on file
Oct 19, 2011
last permit issued
Oct 9, 2012
completed
23.4M
cumulative oil, bbl
47.2M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jul 2010 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Oct 9, 2012
Shut in
Apr 1, 2022
Plugged
—

Operator's P-5 on the schedule: Active (A)

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 3 leases this well is completed on; they carry 148 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
University "7-43" O-10-40532Spraberry (Trend Area)Pioneer Natural Res. USA, Inc.11722.8M45.7MJul 2010 – Jul 2026
University "7-38" O-10-42432Spraberry (Trend Area)Pioneer Natural Res. USA, Inc.23435K1.09MDec 2011 – Mar 2016
University "7-41" O-10-40421Spraberry (Trend Area)Pioneer Natural Res. USA, Inc.8165K388KAug 2010 – Jul 2014

Oil, barrels lease total

Last 12 months 914,052 · prior 12 1,215,292(-25%)

050K100K150K202420252026

Gas, mcf lease total

Last 12 months 4,190,908 · prior 12 4,579,464(-8%)

0200K400K600K202420252026

Chain of custody

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

  1. 1Pioneer Natural Res. USA, Inc.Jul 2010 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
726385-99DrillPioneer Natural Res. USA, Inc.Oct 17, 2011Oct 19, 2011Jul 16, 201212,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Oct 9, 2012University 7-43 O-10-40532Spraberry (Trend Area)Pioneer Natural Res. USA Inc.Shut In · shut in Apr 1, 202211,499
Oct 9, 2012University 7-38 O-10-42432Spraberry (Trend Area)Pioneer Natural Res. USA Inc.Not on Schedule—
Oct 9, 2012University 7-41 O-10-40421Spraberry (Trend Area)Pioneer Natural Res. USA Inc.Not on Schedule—

Formation tops

As filed on W-2/G-1. Subsea from 2,950 ft elevation.Download CSV →

FormationMD ftSubsea
SpraberryTOP UPPER SPRABERRY8,304-5,354
SpraberryTOP LOWER SPRABERRY8,842-5,892
Dean9,534-6,584
Wolfcamp9,744-6,794
Strawn10,952-8,002
Atoka11,182-8,232

Perforations

Perforated and open-hole intervals.

FromToType
8,3299,182Perforated
9,5059,575Perforated
9,76910,897Perforated
10,98611,094Perforated
11,20411,369Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37541617.5490 S
8.6256,01311540 S
5.511,4957.875820 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 5, 2016Jan 2, 2013Yes
00Jun 18, 2014Jan 2, 2013Yes
00Nov 18, 2013Jan 2, 2013Yes

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/31737279, documented in the API reference.