WELL · 42-389-33338 · DISTRICT 8

Walker State 28 #4

Shut in

Reeves County · Wolfbone (Trend Area) field · Shut IN  · Vertical

Walker State 28 #4 (API 42-389-33338) is a well in Reeves County operated by Permian Resources Operating LLC, completed February 14, 2013 and listed as shut in on the RRC schedule, shut in July 1, 2026.

The RRC has issued one drilling permit, issued May 17, 2012, permitted to 11,620 ft.

It was permitted by Thompson, J. Cleo and has since transferred to Permian Resources Operating LLC on the wellbore schedule.

Completion filings report 3 formation tops, including Avalon, Bone Spring, Wolfcamp.

Its lease has reported 239K barrels of oil and 346K mcf of gas since December 2010, last reporting in July 2026. The lease carries 4 wells, so these are lease totals, not this well alone.

Operator of record

Permian Resources Operating LLC

Permitted by Thompson, J. Cleo; the EWA schedule now lists a different operator.

Based in
Midland, TX
P-5 status
Active (A)
P-5 last filed
Nov 25, 2025
Permits on file
608
Phone
(432) 695-4222

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedulePermian Resources Operating LLC
Production reportsPermian Resources Operating, LLCthrough Apr 2026
Latest permitThompson, J. CleoMay 17, 2012

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

11,620
total depth, ft
1
permits on file
May 17, 2012
last permit issued
Feb 14, 2013
completed
239K
cumulative oil, bbl
346K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Dec 2010 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Feb 14, 2013
Shut in
Jul 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 4 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Walker State 28 O-10-40800Wolfbone (Trend Area)Permian Resources Operating, LLC4239K346KDec 2010 – Jul 2026

Oil, barrels lease total

Last 12 months 4,181 · prior 12 4,666(-10%)

05001K202420252026

Gas, mcf lease total

Last 12 months 3,646 · prior 12 5,692(-36%)

05001K202420252026

Chain of custody

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

  1. 1Thompson, J. CleoDec 2010 → Mar 2013
  2. 2OXY USA WTP LPApr 2013 → Oct 2024
  3. 3Permian Resources Operating, LLCNov 2024 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
740089-99DrillThompson, J. CleoMay 7, 2012May 17, 2012Jul 10, 201213,500

Completions

CompletedLeaseFieldOperatorStatusDepth
Feb 14, 2013Walker State 28 O-10-40800Wolfbone (Trend Area)Permian Resources Operating LLCShut IN · shut in Jul 1, 202611,620

Formation tops

As filed on W-2/G-1. Subsea from 2,643 ft elevation.Download CSV →

FormationMD ftSubsea
Avalon8,054-5,411
Bone SpringBONE SPRINGS (AVALON)8,054-5,411
Bone Spring2ND BONE SPRINGS9,420-6,777
Bone Spring3RD BONE SPRINGS10,217-7,574
Bone Spring3RD BONE SPRINGS (HOBAN)10,220-7,577
Wolfcamp11,448-8,805

Perforations

Perforated and open-hole intervals.

FromToType
8,98010,103Perforated
10,26611,420Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37559817.5700 S
8.6255,02511700 S
5.511,6207.8751,300 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
00Mar 18, 2014May 2, 2013—
00Oct 31, 2013Dec 14, 2012—
00Sep 27, 2013Oct 25, 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.

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/38933338, documented in the API reference.