WELL · 42-329-36687 · DISTRICT 8

McAlister 31B #1

Y

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

Mcalister 31b #1 (API 42-329-36687) is a well in Midland County operated by Pioneer Natural Res. USA Inc., completed November 2, 2010 and listed as shut in on the RRC schedule.

The RRC has issued 3 drilling permits (amended once) between 2010 and 2018, permitted to 12,000 ft.

It was permitted by Endeavor Energy Resources L.P. and has since transferred to Pioneer Natural Res. USA Inc. on the wellbore schedule.

Completion filings report 4 formation tops, including Spraberry, Strawn, Bend, Atoka.

Its lease has reported 65.6K barrels of oil and 99.8K mcf of gas since November 2010, last reporting in July 2026.

Operator of record

Pioneer Natural Res. USA Inc.

Permitted by Endeavor Energy Resources L.P.; the EWA schedule now lists a different operator.

Spring, TX · P-5 Y, filed May 4, 2026 · 15,618 permits on file · (972) 598-8150

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedulePioneer Natural Res. USA Inc.
Production reportsPioneer Natural Res. USA, Inc.through Oct 2022
Latest permitEndeavor Energy Resources L.P.Aug 14, 2018

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

12,000
total depth, ft
4
permits on file
Aug 14, 2018
last permit issued
Nov 2, 2010
completed
65.6K
cumulative oil, bbl
99.8K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Nov 2010 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Nov 2, 2010
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

32.048188, -101.939544

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Midland County.

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; this well is the only one on it.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
McAlister "31B" O-10-40568Spraberry (Trend Area)Pioneer Natural Res. USA, Inc.165.6K99.8KNov 2010 – Jul 2026

No volumes reported on these leases in the last three years.

Chain of custody

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

  1. 1Endeavor Energy Resources L.P.Nov 2010 → Aug 2018
  2. 2DE3 Operating LLCSep 2018 → Feb 2021
  3. 3Pioneer Natural Res. USA, Inc.Oct 2022 → Oct 2022

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
842522-99RecompletionEndeavor Energy Resources L.P.Jul 17, 2018Aug 14, 2018Oct 26, 201011,037
717723-98RecompletionEndeavor Energy Resources L.P.Jul 18, 2011Jul 8, 2011Aug 2, 201011,037
717723-99RecompletionEndeavor Energy Resources L.P.Jun 3, 2011Jul 8, 2011—11,037
698018-99DrillEndeavor Energy Resources L.P.Jun 23, 2010Jul 6, 2010Aug 2, 201012,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-40568————

Formation tops

As filed on W-2/G-1. Subsea from 2,743 ft elevation.Download CSV →

FormationMD ftSubsea
Spraberry7,450-4,707
SpraberrySPRABERRY (TREND AREA)7,450-4,707
Strawn10,350-7,607
Bend10,525-7,782
Atoka10,625-7,882
Atoka10,750-8,007

Perforations

Perforated and open-hole intervals.

FromToType
7,47510,466Perforated
7,47510,912Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
12.7530417.5340 S
8.6255,14911575 S
5.511,0357.8751,195 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
00Aug 16, 2018Aug 15, 2018—
00Apr 8, 2011Nov 11, 2010Yes

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.

Nearby wells and their tops

NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM

Draw a cross-section

This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

High Sky O 42-4342-329-44422

0.2 KM · DE3 Operating LLC · Section with this well →

Santa Rosa1,0001,733
Rustler1,775958
Yates2,614119
Seven Rivers2,824-91
Queen3,466-733
Grayburg4,018-1,285
San Andres4,253-1,520
Glorieta5,139-2,406

10 TOPS · FIRST 8

High Sky O 42-4342-329-44421

0.2 KM · DE3 Operating LLC · Section with this well →

Santa Rosa1,0001,734
Rustler1,774960
Yates2,617117
Seven Rivers2,827-93
Queen3,470-736
Grayburg4,020-1,286
San Andres4,257-1,523
Glorieta5,136-2,402

10 TOPS · FIRST 8

High Sky N 42-4342-329-44423

0.2 KM · DE3 Operating LLC · Section with this well →

Santa Rosa1,0001,733
Rustler1,776957
Yates2,612121
Seven Rivers2,826-93
Queen3,468-735
Grayburg4,019-1,286
San Andres4,256-1,523
Glorieta5,150-2,417

10 TOPS · FIRST 8

High Sky M 42-4342-329-44425

0.2 KM · DE3 Operating LLC · Section with this well →

Santa Rosa1,0001,733
Rustler1,774959
Yates2,615118
Seven Rivers2,828-95
Queen3,472-739
Grayburg4,023-1,290
San Andres4,261-1,528
Glorieta5,171-2,438

10 TOPS · FIRST 8

High Sky M 42-4342-329-44424

0.2 KM · DE3 Operating LLC · Section with this well →

Santa Rosa1,0001,733
Rustler1,771962
Yates2,617116
Seven Rivers2,829-96
Queen3,471-738
Grayburg4,025-1,292
San Andres4,262-1,529
Glorieta5,170-2,437

12 TOPS · FIRST 8

High Sky K 42-4342-329-44426

0.2 KM · DE3 Operating LLC · Section with this well →

Santa Rosa1,0001,733
Rustler1,772961
Yates2,615118
Seven Rivers2,830-97
Queen3,471-738
Grayburg4,024-1,291
San Andres4,263-1,530
Glorieta5,168-2,435

10 TOPS · FIRST 8

High Sky N 42-4342-329-43263

0.2 KM · DE3 Operating LLC · Section with this well →

Santa Rosa1,0001,742
Seven Rivers1,3001,442
Yates2,576166
Queen3,443-701
Grayburg4,063-1,321
San Andres4,257-1,515
Glorieta5,152-2,410
Clear Fork6,612-3,870

10 TOPS · FIRST 8

High Sky O 42-4342-329-43262

0.2 KM · DE3 Operating LLC · Section with this well →

Santa Rosa1,0001,742
Seven Rivers1,3001,442
Yates2,566176
Queen3,431-689
Grayburg4,051-1,309
San Andres4,249-1,507
Glorieta5,142-2,400
Clear Fork6,607-3,865

10 TOPS · FIRST 8

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/32936687, documented in the API reference.