WELL · 42-329-42941 · DISTRICT 8

Shackelford 42 #1DD

Shackelford 42 #1DD (API 42-329-42941) is a disposal or injection well in Midland County operated by Pioneer Natural Res. USA, Inc. under an active UIC permit.

The RRC has issued 2 drilling permits (amended once) between 2018 and 2021, permitted to 13,400 ft.

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

It holds an active disposal or injection permit, with 4.28M barrels injected in the 12 months reported through January 2026; TexNet located 7 M2+ earthquakes within 10 km over the last two years.

Operator of record

Pioneer Natural Res. USA, Inc.

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 schedule	none
Production reports	none
Latest permit	Pioneer Natural Res. USA, Inc.Dec 28, 2021

13,400: total depth, ft
3: permits on file
Dec 28, 2021: last permit issued
—: completed
0: cumulative oil, bbl
0: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Mar 2022 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule: OFF SCHEDULE
Completed: —
Shut in: —
Plugged: —

Surface location

31.808368, -101.877262

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 42 O-10-56889	Azalea (Devonian)	Pioneer Natural Res. USA, Inc.	1	0	0	Mar 2022 – Jul 2026

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

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
875485-99	Drill	Pioneer Natural Res. USA, Inc.	Dec 20, 2021	Dec 28, 2021	Jan 29, 2022	13,400
846430-98	Drill	Pioneer Natural Res. USA, Inc.	Mar 21, 2019	Nov 2, 2018	—	13,312
846430-99	Drill	Pioneer Natural Res. USA, Inc.	Nov 2, 2018	Nov 2, 2018	—	13,300

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— O-10-56889	—	—	—	—

Formation tops

As filed on W-2/G-1. Subsea from 2,694 ft elevation.Download CSV →

Formation	MD ft	Subsea
Santa Rosa	1,025	1,669
Rustler	1,700	994
Yates	2,576	118
Seven Rivers	2,876	-182
Queen	3,482	-788
Grayburg	4,016	-1,322
San AndresSAN ANDRES - HIGH FLOWS, H2S, CO	4,130	-1,436
Clear ForkCLEARFORK	6,334	-3,640
Spraberry	7,208	-4,514
Glorieta	—	—

Perforations

Perforated and open-hole intervals.

From	To	Type
11,510	12,340	Perforated
12,394	13,179	Open hole

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
13.375	1,490	17.5	1,600 S
9.625	8,932	12.25	2,004 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	Apr 28, 2022	Mar 11, 2022	—

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 42-329-42941 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-329-42941 → 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 29-17L42-329-47368

0.9 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

0.9 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

0.9 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

0.9 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

Shackelford 29-17P42-329-47372

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

Santa Rosa	1,001	1,700
Rustler	1,624	1,077
Yates	2,536	165
Seven Rivers	2,832	-131
Queen	3,577	-876
Grayburg	4,179	-1,478
San Andres	4,305	-1,604
Clear Fork	6,514	-3,813

10 TOPS · FIRST 8

Shackelford 29-17Q42-329-47373

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

Santa Rosa	1,001	1,700
Rustler	1,612	1,089
Yates	2,513	188
Seven Rivers	2,794	-93
Queen	3,499	-798
Grayburg	4,003	-1,302
San Andres	4,223	-1,522
Clear Fork	6,362	-3,661

10 TOPS · FIRST 8

Shackelford 40-12J42-329-45946

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

Santa Rosa	965	1,735
Rustler	1,605	1,095
Yates	2,513	187
Seven Rivers	2,805	-105
Queen	3,501	-801
Grayburg	3,986	-1,286
San Andres	4,077	-1,377
Clear Fork	6,355	-3,655

10 TOPS · FIRST 8

Shackelford 40-12B42-329-45846

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

Santa Rosa	1,000	1,700
Rustler	1,573	1,127
Yates	2,500	200
Seven Rivers	2,783	-83
Queen	3,482	-782
Grayburg	4,009	-1,309
San Andres	4,117	-1,417
Clear Fork	6,404	-3,704

10 TOPS · FIRST 8

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Injection

4.28M: bbl, last 12 reported months
18.8M: bbl, all reported
Jan 2026: reported through

UIC	Kind	Status	Permitted bbl/d	Max psi	Zone ft
000117898	H-1 Injection	Active	25,000	5,743	11,487–13,312

MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS

Last 12 months 4,276,954 · prior 12 6,242,285(-31%)

TexNet catalog via USGS

Seismicity near this well

7: M2+ events within 10 km, last 2 years
M3.2: largest

A proximity count, not an attribution. How to read it →

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/32942941, documented in the API reference.