WELL · 42-461-42312 · DISTRICT 7

North Brook 38-37EK #111H

Y

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

North Brook 38-37ek #111H (API 42-461-42312) is a horizontal well in Upton County operated by Pioneer Natural Res. USA Inc., completed October 4, 2023 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued November 17, 2022, permitted to 10,680 ft.

Completion filings report 9 formation tops, including Yates, Grayburg, San Andres, Spraberry.

Its lease has reported 225K barrels of oil and 1.24M mcf of gas since October 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 schedulePioneer Natural Res. USA Inc.
Production reportsPioneer Natural Res. USA, Inc.through Apr 2026
Latest permitPioneer Natural Res. USA, Inc.Nov 17, 2022
10,680
total depth, ft
1
permits on file
Nov 17, 2022
last permit issued
Oct 4, 2023
completed
225K
cumulative oil, bbl
1.24M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Oct 2023 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Oct 4, 2023
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

31.583378, -101.813726

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Upton 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 →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
North Brook 38-37EK O-9-22279Spraberry (Trend Area)Pioneer Natural Res. USA, Inc.1225K1.24MOct 2023 – Jul 2026

Oil, barrels lease total

Last 12 months 20,349 · prior 12 67,298(-70%)

010K20K30K202420252026

Gas, mcf lease total

Last 12 months 213,282 · prior 12 578,731(-63%)

050K100K202420252026

Chain of custody

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

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

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
884958-99DrillPioneer Natural Res. USA, Inc.Oct 17, 2022Nov 17, 2022Feb 9, 202310,680

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-9-22279————

Formation tops

As filed on W-2/G-1. Subsea from 2,754 ft elevation.Download CSV →

FormationMD ftSubsea
Yates2,420334
Grayburg3,885-1,131
San AndresSAN ANDRES - SALTWATER FLOW4,023-1,269
Spraberry7,069-4,315
Wolfcamp8,661-5,907
Devonian——
Ellenburger——
Fusselman——
Strawn——

Perforations

Perforated and open-hole intervals.

FromToType
9,91725,620Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,36317.51,500 S
9.6256,24812.251,275 S
5.525,6406.751,589 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
00Jan 26, 2024Jan 9, 2024—
00Nov 2, 2023Oct 6, 2023Yes

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) and the University Lands library. 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 →

North Brook 38-37EL42-461-42313

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

Yates2,424330
Grayburg3,872-1,118
San Andres4,007-1,253
Spraberry7,077-4,323
Wolfcamp8,656-5,902
Fusselman—
Devonian—
Ellenburger—

9 TOPS · FIRST 8

North Brook 38-37EM42-461-42314

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

Yates2,417337
Grayburg3,881-1,127
San Andres4,009-1,255
Spraberry7,067-4,313
Wolfcamp8,658-5,904
Devonian—
Strawn—
Fusselman—

9 TOPS · FIRST 8

North Brook 38-37EN42-461-42315

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

Yates2,421333
Grayburg3,876-1,122
San Andres5,294-2,540
Spraberry7,064-4,310
Wolfcamp8,656-5,902
Devonian—
Ellenburger—
Fusselman—

9 TOPS · FIRST 8

North Brook 38-37EJ42-461-42311

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

Yates2,428324
Grayburg3,898-1,146
San Andres4,041-1,289
Spraberry7,082-4,330
Wolfcamp8,675-5,923
Devonian—
Ellenburger—
Fusselman—

9 TOPS · FIRST 8

North Brook 38-37EI42-461-42310

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

Yates2,428324
Grayburg3,902-1,150
San Andres4,040-1,288
Spraberry7,094-4,342
Wolfcamp8,673-5,921
Strawn—
Ellenburger—
Devonian—

9 TOPS · FIRST 8

North Brook 38-37EH42-461-42309

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

Yates2,424328
Grayburg3,893-1,141
San Andres4,031-1,279
Spraberry7,074-4,322
Wolfcamp8,663-5,911
Devonian—
Strawn—
Fusselman—

9 TOPS · FIRST 8

North Brook 38-37EG42-461-42308

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

Yates2,425327
Grayburg3,902-1,150
San Andres4,041-1,289
Spraberry7,086-4,334
Wolfcamp8,680-5,928
Devonian—
Strawn—
Fusselman—

9 TOPS · FIRST 8

North Brook 38-37EF42-461-42307

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

Yates2,424328
Grayburg3,901-1,149
San Andres4,053-1,301
Spraberry7,077-4,325
Wolfcamp8,681-5,929
Strawn—
Ellenburger—
Fusselman—

9 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/46142312, documented in the API reference.