WELL · 42-329-45846 · DISTRICT 8

Shackelford 40-12B #2H

Midland County · Spraberry (Trend Area) field · Producing · Horizontal

Shackelford 40-12b #2H (API 42-329-45846) is a horizontal well in Midland County operated by Pioneer Natural Res. USA Inc., completed July 12, 2023 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued August 31, 2022, permitted to 10,475 ft.

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

Its lease has reported 508K barrels of oil and 1.15M mcf of gas since March 2023, last reporting in July 2026.

Operator of record

Pioneer Natural Res. USA Inc.

Spring, TX · P-5 Y, filed May 4, 2026 · 15,619 permits on file · (972) 598-8150

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.Aug 31, 2022

10,475: total depth, ft
1: permits on file
Aug 31, 2022: last permit issued
Jul 12, 2023: completed
508K: cumulative oil, bbl
1.15M: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Mar 2023 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule: ON SCHEDULE
Completed: Jul 12, 2023
Shut in: —
Plugged: —

Operator's P-5 on the schedule: Active

Surface location

31.805163, -101.886222

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 →

Lease	Field	Reporting operator	Wells	Oil, bbl	Gas, mcf	Reported
Shackelford 40-12B O-10-59502	Spraberry (Trend Area)	Pioneer Natural Res. USA, Inc.	1	508K	1.15M	Mar 2023 – Jul 2026

Oil, barrels lease total

Last 12 months 84,778 · prior 12 136,702(-38%)

Gas, mcf lease total

Last 12 months 345,730 · prior 12 339,110(+2%)

Chain of custody

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

1Pioneer Natural Res. USA, Inc.Jul 2023 → Apr 2026

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
882706-99	Drill	Pioneer Natural Res. USA, Inc.	Aug 2, 2022	Aug 31, 2022	Jan 7, 2023	10,475

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— O-10-59502	—	—	—	—

Formation tops

As filed on W-2/G-1. Subsea from 2,700 ft elevation.Download CSV →

Formation	MD ft	Subsea
Santa Rosa	1,000	1,700
Rustler	1,573	1,127
Yates	2,500	200
Seven Rivers	2,783	-83
Queen	3,482	-782
Queen	3,483	-783
Grayburg	4,009	-1,309
San AndresSAN ANDRES - HIGH FLOWS, H2S, CO	4,117	-1,417
Clear ForkCLEARFORK	6,404	-3,704
Spraberry	7,273	-4,573
Glorieta	—	—

Perforations

Perforated and open-hole intervals.

From	To	Type
9,607	25,188	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
13.375	1,466	17.5	1,500 S
9.625	6,017	12.25	1,411 S
5.5	25,213	6.75	1,720 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 →

Suffix	Filed	W-2 / G-1 date	Logs referenced
00	Oct 16, 2023	Aug 25, 2023	—
00	Sep 11, 2023	Jul 3, 2023	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 42-329-45846 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-329-45846 → 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 neighbours, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

Shackelford 40-12C42-329-45851

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

Santa Rosa	1,000	1,700
Rustler	1,592	1,108
Yates	2,506	194
Seven Rivers	2,784	-84
Queen	3,484	-784
Grayburg	4,006	-1,306
San Andres	4,117	-1,417
Clear Fork	6,404	-3,704

10 TOPS · FIRST 8

Shackelford 40-12D42-329-45857

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

Santa Rosa	1,000	1,700
Rustler	1,573	1,127
Yates	2,510	190
Seven Rivers	2,786	-86
Queen	3,485	-785
Grayburg	3,999	-1,299
San Andres	4,105	-1,405
Clear Fork	6,397	-3,697

10 TOPS · FIRST 8

Shackelford 40-12E42-329-45858

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

Santa Rosa	1,000	1,700
Rustler	1,573	1,127
Yates	2,506	194
Seven Rivers	2,784	-84
Queen	3,481	-781
Grayburg	3,988	-1,288
San Andres	4,092	-1,392
Clear Fork	6,374	-3,674

11 TOPS · FIRST 8

Shackelford 40-12F42-329-45859

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

Santa Rosa	1,000	1,700
Rustler	1,583	1,117
Yates	2,512	188
Seven Rivers	2,788	-88
Queen	3,483	-783
Grayburg	3,987	-1,287
San Andres	4,099	-1,399
Clear Fork	6,371	-3,671

10 TOPS · FIRST 8

Shackelford 29-17L42-329-47368

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

Santa Rosa	1,001	1,700
Rustler	1,613	1,088
Yates	2,523	178
Seven Rivers	2,806	-105
Queen	3,498	-797
Grayburg	4,085	-1,384
San Andres	4,208	-1,507
Clear Fork	6,344	-3,643

10 TOPS · FIRST 8

Shackelford 29-17M42-329-47369

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

Santa Rosa	1,001	1,700
Rustler	1,586	1,115
Yates	2,515	186
Seven Rivers	2,803	-102
Queen	3,503	-802
Grayburg	4,082	-1,381
San Andres	4,209	-1,508
Clear Fork	6,340	-3,639

14 TOPS · FIRST 8

Shackelford 29-17N42-329-47370

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

Santa Rosa	1,001	1,700
Rustler	1,622	1,079
Yates	2,530	171
Seven Rivers	2,808	-107
Queen	3,516	-815
Grayburg	4,086	-1,385
San Andres	4,207	-1,506
Clear Fork	6,349	-3,648

18 TOPS · FIRST 8

Shackelford 29-17O42-329-47371

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

Santa Rosa	1,001	1,700
Rustler	1,606	1,095
Queen	2,498	203
Yates	2,518	183
Seven Rivers	2,805	-104
Grayburg	4,101	-1,400
San Andres	4,221	-1,520
Clear Fork	6,340	-3,639

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/32945846, documented in the API reference.