WELL · 42-329-34891 · DISTRICT 8

Dunn #4

Shut in

Midland County · Spraberry (Trend Area) field · Shut IN  · Vertical

Dunn #4 (API 42-329-34891) is a well in Midland County operated by Pioneer Natural Res. USA Inc., completed October 27, 2003 and listed as shut in on the RRC schedule, shut in April 1, 2026.

The RRC has issued one drilling permit, issued June 13, 2003, permitted to 9,812 ft.

Completion filings report 2 formation tops, including Spraberry, Dean.

Its lease has reported 255K barrels of oil and 719K mcf of gas since September 1993, last reporting in July 2026. The lease carries 6 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.Jun 13, 2003
9,812
total depth, ft
1
permits on file
Jun 13, 2003
last permit issued
Oct 27, 2003
completed
255K
cumulative oil, bbl
719K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Sep 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Oct 27, 2003
Shut in
Apr 1, 2026
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 lease this well is completed on; they carry 6 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Dunn O-10-33957Spraberry (Trend Area)Pioneer Natural Res. USA, Inc.6255K719KSep 1993 – Jul 2026

Oil, barrels lease total

Last 12 months 3,056 · prior 12 4,432(-31%)

05001K202420252026

Gas, mcf lease total

Last 12 months 3,988 · prior 12 5,094(-22%)

05001K1.5K202420252026

Chain of custody

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

  1. 1Parker & Parsley Development Co.Sep 1993 → Feb 1995
  2. 2Parker & Parsley Development L.PMar 1995 → Aug 1997
  3. 3Pioneer Natural Res. USA, Inc.Sep 1997 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
532122-99DrillPioneer Natural Res. USA, Inc.May 19, 2003Jun 13, 2003Sep 2, 20039,800

Completions

CompletedLeaseFieldOperatorStatusDepth
Oct 27, 2003Dunn O-10-33957Spraberry (Trend Area)Pioneer Natural Res. USA Inc.Shut IN · shut in Apr 1, 20269,812

Formation tops

As filed on W-2/G-1. Subsea from 2,755 ft elevation.Download CSV →

FormationMD ftSubsea
SpraberryTOP UPPER SPRABERRY7,556-4,801
SpraberryTOP LOWER SPRABERRY8,090-5,335
DeanTOP DEAN8,905-6,150
DeanBASE DEAN9,124-6,369

Perforations

Perforated and open-hole intervals.

FromToType
7,5587,754Perforated
8,3078,438Perforated
9,0679,348Perforated
9,6279,649Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62536311225 S
4.59,8127.8751,085 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
00May 13, 2004Dec 8, 2003Yes
00Apr 7, 2004——

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). 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/32934891, documented in the API reference.