TEXAS · WELLS · MARTIN COUNTY · STONE "40" LEASE · API 42-317-38022 · DISTRICT 7B

Stone 40 #4

Shut in

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

Stone 40 #4 (API 42-317-38022) is a well in Martin County operated by Pioneer Natural Res. USA Inc., completed January 25, 2013 and listed as shut in on the RRC schedule, shut in April 1, 2023.

The RRC has issued one drilling permit, issued July 26, 2012, permitted to 10,888 ft.

Completion filings report 6 formation tops, including Spraberry, Dean, Wolfcamp, Strawn.

Its lease has reported 191K barrels of oil and 464K mcf of gas since December 2009, 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 Sep 2025
Latest permitPioneer Natural Res. USA, Inc.Jul 26, 2012
10,888
total depth, ft
1
permits on file
Jul 26, 2012
last permit issued
Jan 25, 2013
completed
191K
cumulative oil, bbl
464K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Dec 2009 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jan 25, 2013
Shut in
Apr 1, 2023
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
Stone "40" O-10-39817Spraberry (Trend Area)Pioneer Natural Res. USA, Inc.6191K464KDec 2009 – Jul 2026

Oil, barrels lease total

Last 12 months 284 · prior 12 1,531(-81%)

0100200300202420252026

Gas, mcf lease total

Last 12 months 588 · prior 12 3,972(-85%)

0200400600202420252026

Chain of custody

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

  1. 1Pioneer Natural Res. USA, Inc.Dec 2009 → Sep 2025

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
744799-99DrillPioneer Natural Res. USA, Inc.Jul 17, 2012Jul 26, 2012Nov 8, 201211,600

Completions

CompletedLeaseFieldOperatorStatusDepth
Jan 25, 2013Stone 40 O-10-39817Spraberry (Trend Area)Pioneer Natural Res. USA Inc.Shut In · shut in Apr 1, 202310,888

Formation tops

As filed on W-2/G-1. Subsea from 2,591 ft elevation.Download CSV →

FormationMD ftSubsea
SpraberryTOP UPPER SPRABERRY6,716-4,125
SpraberryTOP LOWER SPRABERRY7,236-4,645
DeanTOP OF DEAN8,054-5,463
WolfcampTOP OF WOLFCAMP8,176-5,585
StrawnTOP OF STRAWN10,000-7,409
AtokaTOP OF ATOKA10,106-7,515
MississippianTOP OF MISSISSIPPIAN10,280-7,689

Perforations

Perforated and open-hole intervals.

FromToType
7,3377,993Perforated
8,0878,150Perforated
8,2269,968Perforated
10,01210,104Perforated
10,29210,680Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62529311200 S
5.510,8887.8751,410 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 30, 2014May 24, 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/31738022, documented in the API reference.