WELL · 42-329-42417 · DISTRICT 8

Shackelford W31B #2H

Midland County · Spraberry (Trend Area) R 40 Exc field · Producing · Horizontal

Shackelford W31b #2H (API 42-329-42417) is a horizontal well in Midland County operated by Pioneer Natural Res. USA Inc., completed October 16, 2020 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued May 11, 2018, permitted to 10,660 ft.

Completion filings report 10 formation tops, including Santa Rosa, Yates, Seven Rivers, Queen.

Its lease has reported 287K barrels of oil and 2.39M mcf of gas since February 2020, last reporting in July 2026.

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 schedule	Pioneer Natural Res. USA Inc.
Production reports	Pioneer Natural Res. USA, Inc.through Apr 2026
Latest permit	Pioneer Natural Res. USA, Inc.Dec 31, 2018

10,660: total depth, ft
2: permits on file
Dec 31, 2018: last permit issued
Oct 16, 2020: completed
287K: cumulative oil, bbl
2.39M: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Feb 2020 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule: ON SCHEDULE
Completed: Oct 16, 2020
Shut in: —
Plugged: —

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

Surface location

31.795416, -101.922740

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 →

Lease	Field	Reporting operator	Wells	Oil, bbl	Gas, mcf	Reported
Shackelford W31B O-10-54404	Spraberry (Trend Area) R 40 Exc	Pioneer Natural Res. USA, Inc.	1	287K	2.39M	Feb 2020 – Jul 2026

Gas, mcf lease total

Last 12 months 53,372 · prior 12 361,253(-85%)

Oil, barrels lease total

Last 12 months 13,209 · prior 12 14,604(-10%)

Chain of custody

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

1Pioneer Natural Res. USA, Inc.Oct 2020 → Apr 2026

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
838131-98	Drill	Pioneer Natural Res. USA, Inc.	Oct 3, 2019	Dec 31, 2018	Nov 27, 2019	10,610
838131-99	Drill	Pioneer Natural Res. USA, Inc.	Mar 28, 2018	May 11, 2018	Nov 27, 2019	10,660

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— O-10-54404	—	—	—	—

Formation tops

As filed on W-2/G-1. Subsea from 2,693 ft elevation.Download CSV →

Formation	MD ft	Subsea
Santa Rosa	951	1,742
Santa Rosa	991	1,702
Yates	2,521	172
Yates	2,522	171
Seven Rivers	2,820	-127
Queen	3,544	-851
Queen	3,545	-852
Grayburg	4,160	-1,467
Grayburg	4,161	-1,468
San AndresSAN ANDRES - HIGH FLOWS, H2S, CO	4,308	-1,615
San AndresSAN ANDRES - HIGH FLOWS, H2S, CO	4,309	-1,616
Clear ForkCLEARFORK	6,508	-3,815
Clear ForkCLEARFORK	6,509	-3,816
Spraberry	7,368	-4,675
Spraberry	7,369	-4,676
SpraberrySPRABERRY UPPER-DEAN	8,762	-6,069
Wolfcamp	8,946	-6,253
Glorieta	—	—

Perforations

Perforated and open-hole intervals.

From	To	Type
9,688	20,029	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
13.375	1,407	17.5	1,390 S
9.625	5,713	12.25	1,053 S
5.5	20,053	6.75	1,047 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 →

Filed	W-2 / G-1 date	Logs referenced
Dec 6, 2022	Nov 8, 2022	—
Dec 9, 2020	Nov 30, 2020	Yes
Aug 26, 2020	Jul 15, 2020	Yes

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.

Wellbore filings for 42-329-42417 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-329-42417 → scanned completion filings

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 neighbors, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

Shackelford W3R42-329-42418

0.0 KM · Pioneer Natural Res. USA, Inc. · Section with this well →

Santa Rosa	951	1,742
Yates	2,520	173
Seven Rivers	2,820	-127
Queen	3,544	-851
Grayburg	4,164	-1,471
San Andres	4,298	-1,605
Clear Fork	6,498	-3,805
Spraberry	7,364	-4,671

10 TOPS · FIRST 8

Shackelford W3P42-329-42416

0.0 KM · Pioneer Natural Res. USA, Inc. · Section with this well →

Santa Rosa	951	1,742
Yates	2,514	179
Seven Rivers	2,821	-128
Queen	3,545	-852
Grayburg	4,179	-1,486
San Andres	4,294	-1,601
Clear Fork	6,506	-3,813
Spraberry	7,378	-4,685

10 TOPS · FIRST 8

Shackelford 31-26B42-329-47383

0.2 KM · Pioneer Natural Res. USA, Inc. · Section with this well →

Santa Rosa	937	1,742
Rustler	1,548	1,131
Yates	2,509	170
Seven Rivers	2,805	-126
Queen	3,529	-850
Grayburg	4,099	-1,420
San Andres	4,221	-1,542
Clear Fork	6,500	-3,821

10 TOPS · FIRST 8

Shackelford 31-26A42-329-47382

0.2 KM · Pioneer Natural Res. USA, Inc. · Section with this well →

Santa Rosa	937	1,742
Rustler	1,562	1,117
Yates	2,500	179
Seven Rivers	2,808	-129
Queen	3,528	-849
Grayburg	4,100	-1,421
San Andres	4,226	-1,547
Clear Fork	6,504	-3,825

10 TOPS · FIRST 8

Shackelford W3O42-329-42415

0.2 KM · Pioneer Natural Res. USA, Inc. · Section with this well →

Santa Rosa	939	1,742
Yates	2,502	179
Seven Rivers	2,812	-131
Queen	3,535	-854
Grayburg	4,074	-1,393
San Andres	4,228	-1,547
Clear Fork	6,480	-3,799
Spraberry	7,353	-4,672

10 TOPS · FIRST 8

Shackelford 31-26C42-329-47384

0.2 KM · Pioneer Natural Res. USA, Inc. · Section with this well →

Santa Rosa	963	1,742
Rustler	1,584	1,121
Yates	2,528	177
Seven Rivers	2,829	-124
Queen	3,547	-842
Grayburg	4,116	-1,411
San Andres	4,338	-1,633
Clear Fork	6,525	-3,820

10 TOPS · FIRST 8

Shackelford Spraberry Unit42-329-47356

0.2 KM · Pioneer Natural Res. USA, Inc. · Section with this well →

Santa Rosa	963	1,742
Rustler	1,572	1,133
Yates	2,512	193
Seven Rivers	2,827	-122
Queen	3,547	-842
Grayburg	4,121	-1,416
San Andres	4,252	-1,547
Clear Fork	6,525	-3,820

10 TOPS · FIRST 8

Shackelford 31-26E42-329-47385

0.2 KM · Pioneer Natural Res. USA, Inc. · Section with this well →

Santa Rosa	963	1,742
Rustler	1,582	1,123
Yates	2,529	176
Seven Rivers	2,830	-125
Queen	3,547	-842
Grayburg	4,113	-1,408
San Andres	4,332	-1,627
Clear Fork	6,522	-3,817

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/32942417, documented in the API reference.