TEXAS · WELLS · MIDLAND COUNTY · SHACKELFORD 10-39C LEASE · API 42-329-47446 · DISTRICT 7B

Shackelford 10-39C #203H

Shut in

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

Shackelford 10-39c #203H (API 42-329-47446) is a horizontal well in Midland County operated by Pioneer Natural Res. USA Inc., completed November 12, 2025 and listed as producing on the RRC schedule, shut in October 1, 2026.

The RRC has issued one drilling permit, issued November 26, 2024, permitted to 10,391 ft.

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

Its lease has reported 189K barrels of oil and 383K mcf of gas since November 2025, last reporting volume in April 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: 15,633
Phone: (972) 444-4001

Watch this operator Watch Midland County

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.Nov 26, 2024

10,391: total depth, ft
1: permits on file
Nov 26, 2024: last permit issued
Nov 12, 2025: completed
189K: cumulative oil, bbl
383K: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Nov 2025 THROUGH Apr 2026

Regulatory status · RRC wellbore file

Schedule: ON SCHEDULE
Completed: Nov 12, 2025
Shut in: Oct 1, 2026
Plugged: —

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

Surface location

31.780018, -101.813271 NAD27, as filed

31.780151, -101.813677 WGS84

Google Maps ↗

Permit surface location from the RRC GIS record, referenced to NAD27 as the RRC files it; the WGS84 pair is the same point through NOAA's NADCON grid, and the map link uses it, in Midland County.

Wells nearby

Withinmiles

Every well with a location on file around this one, in any state, nearest first.

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Texas locations come from drilling permits, so most older Texas wells have none and are not listed.

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 10-39C O-10-64223	Spraberry (Trend Area)	Pioneer Natural Res. USA, Inc.	1	189K	383K	Nov 2025 – Apr 2026

Oil, barrels lease total

Last 12 months 188,914 · prior 12 0

Gas, mcf lease total

Last 12 months 382,979 · prior 12 0

Chain of custody

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

1Pioneer Natural Res. USA, Inc.Nov 2025 → Apr 2026

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
903457-99	Drill	Pioneer Natural Res. USA, Inc.	Oct 22, 2024	Nov 26, 2024	Mar 26, 2025	10,510

Completions

Completed	Lease	Field	Operator	Status	Depth
Nov 12, 2025	Shackelford 10-39C O-10-64223	Spraberry (Trend Area)	Pioneer Natural Res. USA Inc.	Producing · shut in Oct 1, 2026	10,391

Formation tops

As filed on W-2/G-1. Subsea from 2,739 ft elevation.Download CSV →

Formation	MD ft	Subsea
Santa Rosa	958	1,781
Rustler	1,532	1,207
Yates	2,412	327
Seven Rivers	2,588	151
Queen	3,270	-531
Grayburg	3,748	-1,009
San AndresSAN ANDRES - HIGH FLOWS, H2S, CO	3,954	-1,215
Clear ForkCLEARFORK	6,211	-3,472
Spraberry	7,122	-4,383
Glorieta	—	—

Perforations

Perforated and open-hole intervals.

From	To	Type
10,601	28,493	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
13.375	1,445	17.5	1,505 S
9.625	6,349	12.25	1,700 S
5.5	28,518	6.75	1,900 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →

Suffix	RRC record date	W-2 / G-1 date	Logs referenced
00	Jan 15, 2026	Jan 8, 2026	—
00	Dec 10, 2025	Nov 13, 2025	—

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 42-329-47446 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-329-47446 → scanned completion filings

Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.

Find logs withinmiles of this well:List →Map →

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 10-39B42-329-47445

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

Santa Rosa	958	1,781
Rustler	1,520	1,219
Yates	2,413	326
Seven Rivers	2,589	150
Queen	3,277	-538
Grayburg	3,744	-1,005
San Andres	3,967	-1,228
Clear Fork	6,217	-3,478

13 TOPS · FIRST 8

Shackelford 10-39A42-329-47444

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

Santa Rosa	968	1,771
Rustler	1,508	1,231
Yates	2,414	325
Seven Rivers	2,588	151
Queen	3,279	-540
Grayburg	3,747	-1,008
San Andres	3,962	-1,223
Clear Fork	6,230	-3,491

10 TOPS · FIRST 8

Shackelford-Freeman 10F42-329-47135

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

Santa Rosa	944	1,795
Rustler	1,576	1,163
Yates	2,407	332
Seven Rivers	2,614	125
Queen	3,358	-619
Grayburg	3,733	-994
San Andres	4,091	-1,352
Clear Fork	6,141	-3,402

11 TOPS · FIRST 8

Shackelford-Freeman 10E42-329-47134

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

Santa Rosa	952	1,787
Rustler	1,512	1,227
Yates	2,394	345
Seven Rivers	2,687	52
Queen	3,362	-623
Grayburg	3,830	-1,091
San Andres	3,958	-1,219
Clear Fork	6,169	-3,430

10 TOPS · FIRST 8

Shackelford-Freeman 10D42-329-47133

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

Santa Rosa	949	1,790
Rustler	1,517	1,222
Yates	2,421	318
Seven Rivers	2,687	52
Queen	3,368	-629
Grayburg	3,828	-1,089
San Andres	3,965	-1,226
Clear Fork	6,179	-3,440

10 TOPS · FIRST 8

Preston 9J42-329-45120

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

Santa Rosa	960	1,783
Rustler	1,532	1,211
Yates	2,423	320
Seven Rivers	2,697	46
Queen	3,350	-607
Grayburg	3,898	-1,155
San Andres	4,008	-1,265
Clear Fork	6,156	-3,413

10 TOPS · FIRST 8

Preston 9K42-329-45121

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

Santa Rosa	960	1,783
Rustler	1,529	1,214
Yates	2,415	328
Seven Rivers	2,689	54
Queen	3,667	-924
Grayburg	3,886	-1,143
San Andres	4,034	-1,291
Clear Fork	6,235	-3,492

10 TOPS · FIRST 8

Preston 9L42-329-45122

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

Seven Rivers	270	2,473
Santa Rosa	960	1,783
Rustler	1,521	1,222
Yates	2,419	324
Queen	3,384	-641
Grayburg	3,881	-1,138
San Andres	4,028	-1,285
Clear Fork	6,185	-3,442

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

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