TEXAS · WELLS · GLASSCOCK COUNTY · API 42-173-39411 · DISTRICT 7B

Brunson 40L #12H

Shut in

Glasscock County · Spraberry (Trend Area) field · Shut In  · Horizontal

Brunson 40l #12H (API 42-173-39411) is a horizontal well in Glasscock County operated by Pioneer Natural Res. USA Inc., completed April 16, 2026 and listed as shut in on the RRC schedule, shut in April 1, 2026.

The RRC has issued one drilling permit, issued January 13, 2026, permitted to 8,151 ft.

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

No lease production has been reported under this well’s leases.

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 schedulePioneer Natural Res. USA Inc.
Production reportsnone
Latest permitPioneer Natural Res. USA, Inc.Jan 13, 2026
8,151
total depth, ft
1
permits on file
Jan 13, 2026
last permit issued
Apr 16, 2026
completed
—
cumulative oil, bbl
—
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Apr 16, 2026
Shut in
Apr 1, 2026
Plugged
—

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

Surface location

No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
912239-99DrillPioneer Natural Res. USA, Inc.Dec 12, 2025Jan 13, 2026Feb 11, 202610,046

Completions

CompletedLeaseFieldOperatorStatusDepth
Apr 16, 2026Brunson 40L O-10-65254Spraberry (Trend Area)Pioneer Natural Res. USA Inc.Shut In · shut in Apr 1, 20268,151

Formation tops

As filed on W-2/G-1. Subsea from 2,751 ft elevation.Download CSV →

FormationMD ftSubsea
Santa Rosa8311,920
Rustler1,2201,531
Yates2,068683
Seven Rivers2,268483
Queen3,002-251
Grayburg3,206-455
San AndresSAN ANDRES - HIGH FLOWS, H2S, CO3,400-649
Clear ForkCLEARFORK5,101-2,350
Spraberry6,515-3,764
Glorieta——

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,21317.51,300 S
9.6255,43112.251,700 S
5.524,3056.751,605 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
00Jul 28, 2026Jun 2, 2026Yes

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.

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/17339411, documented in the API reference.