WELL · 42-317-41886 · DISTRICT 8

Hall A12 #04SC

Y

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

Hall A12 #04SC (API 42-317-41886) is a horizontal well in Martin County operated by Diamondback E&P LLC, completed August 31, 2019 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued December 10, 2018, permitted to 9,300 ft.

It was permitted by Qep Energy Company and has since transferred to Diamondback E&P LLC on the wellbore schedule.

Completion filings report 10 formation tops, including Santa Rosa, Yates, Queen, Grayburg.

Its lease has reported 127K barrels of oil and 148K mcf of gas since August 2019, last reporting in July 2026.

Operator of record

Diamondback E&P LLC

Permitted by QEP Energy Company; the EWA schedule now lists a different operator.

Midland, TX · P-5 Y, filed Mar 4, 2026 · 5,237 permits on file · (855) 247-5920

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleDiamondback E&P LLC
Production reportsDiamondback E&P LLCthrough Apr 2026
Latest permitQEP Energy CompanyDec 10, 2018

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

9,300
total depth, ft
2
permits on file
Dec 10, 2018
last permit issued
Aug 31, 2019
completed
127K
cumulative oil, bbl
148K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Aug 2019 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Aug 31, 2019
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

Surface location

32.354297, -101.949532

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Martin 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
Hall A12 O-10-52994Spraberry (Trend Area)Diamondback E&P LLC1127K148KAug 2019 – Jul 2026

Oil, barrels lease total

Last 12 months 1,336 · prior 12 3,957(-66%)

05001K202420252026

Gas, mcf lease total

Last 12 months 276 · prior 12 0

0100200300202420252026

Chain of custody

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

  1. 1QEP Energy CompanyAug 2019 → Sep 2021
  2. 2Diamondback E&P LLCOct 2021 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
846284-98DrillQEP Energy CompanyJan 18, 2019Dec 10, 2018Feb 24, 20199,300
846284-99DrillQEP Energy CompanyOct 29, 2018Dec 10, 2018—9,300

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-52994————

Formation tops

As filed on W-2/G-1. Subsea from 2,849 ft elevation.Download CSV →

FormationMD ftSubsea
Santa Rosa1,3381,511
Yates2,675174
Queen3,607-758
Grayburg4,259-1,410
San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H4,403-1,554
Spraberry7,697-4,848
Cisco——
Dean——
Pennsylvanian——
Wolfcamp——

Perforations

Perforated and open-hole intervals.

FromToType
9,16516,467Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,85817.51,590 S
9.6255,52112.251,675 S
5.516,5768.752,170 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
00Feb 24, 2020Nov 8, 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 neighbours, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

Hall A1142-317-41882

0.0 KM · QEP Energy Company · Section with this well →

Santa Rosa1,3381,511
Yates2,675174
Queen3,607-758
Grayburg4,259-1,410
San Andres4,403-1,554
Spraberry7,688-4,839
Dean—
Cisco—

10 TOPS · FIRST 8

Hall A1342-317-41885

0.0 KM · QEP Energy Company · Section with this well →

Santa Rosa1,3381,510
Yates2,675173
Queen3,607-759
Grayburg4,259-1,411
San Andres4,403-1,555
Spraberry7,686-4,838
Dean9,029-6,181
Wolfcamp9,270-6,422

10 TOPS · FIRST 8

Hall A1042-317-41884

0.0 KM · QEP Energy Company · Section with this well →

Santa Rosa1,3381,511
Dean9,020-6,171
Wolfcamp9,303-6,454
Pennsylvanian—
Strawn—
Fusselman—
Ellenburger—
Devonian—

10 TOPS · FIRST 8

Hall 37-0405 al 142-317-40579

0.1 KM · QEP Energy Company · Section with this well →

Santa Rosa1,3381,511
Yates2,675174
Queen3,607-758
Grayburg4,259-1,410
San Andres4,403-1,554
Spraberry7,704-4,855
Dean9,043-6,194
Wolfcamp9,314-6,465

10 TOPS · FIRST 8

Hall A742-317-41879

0.1 KM · QEP Energy Company · Section with this well →

Santa Rosa1,3381,510
Yates2,675173
Queen3,607-759
Grayburg4,259-1,411
San Andres4,403-1,555
Spraberry7,682-4,834
Dean9,020-6,172
Wolfcamp9,303-6,455

10 TOPS · FIRST 8

Hall A642-317-41880

0.1 KM · QEP Energy Company · Section with this well →

Santa Rosa1,3381,510
Yates2,675173
Queen3,607-759
Grayburg4,259-1,411
San Andres4,403-1,555
Spraberry7,682-4,834
Dean9,020-6,172
Wolfcamp9,303-6,455

10 TOPS · FIRST 8

Act E42-317-40863

0.2 KM · QEP Energy Company · Section with this well →

Santa Rosa1,3381,512
Yates2,675175
Queen3,607-757
Grayburg4,259-1,409
San Andres4,403-1,553
Spraberry7,725-4,875
Dean8,991-6,141
Wolfcamp—

10 TOPS · FIRST 8

Act E42-317-40858

0.2 KM · QEP Energy Company · Section with this well →

Santa Rosa1,3381,512
Yates2,675175
Queen3,607-757
Grayburg4,259-1,409
San Andres4,403-1,553
Spraberry7,691-4,841
Cisco—
Wolfcamp—

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

Developers: this page as JSON is GET /v1/data/wells/31741886, documented in the API reference.