WELL · 42-383-40381 · DISTRICT 7

Halff-Hall 1S #19H

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Reagan County · Spraberry (Trend Area) R 40 Exc field · Producing  · Horizontal

Halff-Hall 1s #19H (API 42-383-40381) is a horizontal well in Reagan County operated by Pioneer Natural Res. USA Inc., completed June 10, 2019 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued September 12, 2018, permitted to 10,200 ft.

Completion filings report 8 formation tops, including Queen, Grayburg, San Andres, Clear Fork.

Its lease has reported 485K barrels of oil and 1.81M mcf of gas since June 2019, last reporting in July 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
15,628
Phone
(972) 444-4001

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.Sep 12, 2018
10,200
total depth, ft
1
permits on file
Sep 12, 2018
last permit issued
Jun 10, 2019
completed
485K
cumulative oil, bbl
1.81M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jun 2019 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jun 10, 2019
Shut in
—
Plugged
—

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

Surface location

31.405924, -101.771268

Google Maps ↗

Permit surface location from the RRC GIS record, in Reagan 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
Halff-Hall 1S O-9-20483Spraberry (Trend Area) R 40 ExcPioneer Natural Res. USA, Inc.1485K1.81MJun 2019 – Jul 2026

Gas, mcf lease total

Last 12 months 256,187 · prior 12 253,640(+1%)

020K40K60K202420252026

Oil, barrels lease total

Last 12 months 30,144 · prior 12 29,488(+2%)

02K4K6K202420252026

Chain of custody

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

  1. 1Pioneer Natural Res. USA, Inc.Jun 2019 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
844105-99DrillPioneer Natural Res. USA, Inc.Aug 29, 2018Sep 12, 2018Nov 5, 201810,200

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-9-20483————

Formation tops

As filed on W-2/G-1. Subsea from 2,699 ft elevation.Download CSV →

FormationMD ftSubsea
Queen3,097-398
Grayburg3,709-1,010
San AndresSAN ANDRES - SALTWATER FLOW, POS3,852-1,153
Clear ForkCLEARFORK5,836-3,137
Spraberry6,708-4,009
Ellenburger——
Fusselman——
Strawn——

Perforations

Perforated and open-hole intervals.

FromToType
9,61819,940Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,28417.51,325 S
9.6256,00012.25875 S
5.519,9756.751,270 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 23, 2020Aug 19, 2019Yes

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 neighbors, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

Halff-Hall 1T42-383-40382

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

Queen3,100-401
Grayburg3,725-1,026
San Andres3,852-1,153
Clear Fork5,838-3,139
Spraberry6,710-4,011
Ellenburger—
Fusselman—
Strawn—

Halff-Hall 1U42-383-40383

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

Yates2,187512
Grayburg3,733-1,034
San Andres3,851-1,152
Spraberry6,705-4,006
Wolfcamp8,283-5,584

Halff-Hall 1V42-383-40384

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

Queen3,099-400
Grayburg3,710-1,011
San Andres3,840-1,141
Clear Fork5,833-3,134
Spraberry6,703-4,004
Strawn—
Fusselman—
Ellenburger—

Halff 1Q42-383-40113

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

Queen3,096-398
Grayburg3,652-954
San Andres3,776-1,078
Clear Fork5,836-3,138
Strawn—
Ellenburger—
Fusselman—
Spraberry—

Halff 1R42-383-40115

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

Queen3,091-393
Grayburg3,652-954
San Andres3,775-1,077
Clear Fork5,829-3,131
Spraberry—
Fusselman—
Ellenburger—
Strawn—

Halff 1P42-383-40114

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

Queen3,093-395
Grayburg3,655-957
San Andres3,773-1,075
Clear Fork5,832-3,134
Spraberry—
Fusselman—
Ellenburger—
Strawn—

Halff 1F42-461-40718

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

Yates2,188508
Grayburg3,664-968
San Andres3,787-1,091
Spraberry6,717-4,021
Wolfcamp8,303-5,607
Strawn—
Devonian—
Ellenburger—

9 TOPS · FIRST 8

Halff 1E42-461-40717

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

Yates2,186510
Grayburg3,692-996
San Andres3,809-1,113
Spraberry6,727-4,031
Wolfcamp8,322-5,626
Devonian—
Fusselman—
Strawn—

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/38340381, documented in the API reference.