WELL · 42-003-48359 · DISTRICT 8

UL Page 41-44 B #1LS

Y

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

UL Page 41-44 B #1LS (API 42-003-48359) is a horizontal well in Andrews County operated by Diamondback E&P LLC, completed September 21, 2023 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued March 29, 2021, permitted to 13,000 ft.

Completion filings report 10 formation tops, including Yates, Grayburg, San Andres, Glorieta.

Its lease has reported 217K barrels of oil and 240K mcf of gas since March 2023, last reporting in July 2026.

Operator of record

Diamondback E&P LLC

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 permitDiamondback E&P LLCMar 29, 2021
13,000
total depth, ft
2
permits on file
Mar 29, 2021
last permit issued
Sep 21, 2023
completed
217K
cumulative oil, bbl
240K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Mar 2023 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Sep 21, 2023
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

Surface location

32.465974, -102.211838

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Andrews 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
UL Page 41-44 B O-10-59457Spraberry (Trend Area)Diamondback E&P LLC1217K240KMar 2023 – Jul 2026

Oil, barrels lease total

Last 12 months 41,634 · prior 12 49,961(-17%)

020K40K202420252026

Gas, mcf lease total

Last 12 months 36,853 · prior 12 67,981(-46%)

020K40K202420252026

Chain of custody

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

  1. 1Diamondback E&P LLCSep 2023 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
868535-98DrillDiamondback E&P LLCJul 12, 2022Mar 29, 2021Dec 1, 202213,000
868535-99DrillDiamondback E&P LLCMar 22, 2021Mar 29, 2021Dec 1, 202210,900

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-59457————

Formation tops

As filed on W-2/G-1. Subsea from 2,937 ft elevation.Download CSV →

FormationMD ftSubsea
Yates2,980-43
Grayburg4,057-1,120
San AndresSAN ANDRES - CO2 FLOOD, HIGH FLO4,484-1,547
Glorieta5,549-2,612
Clear ForkCLEARFORK6,430-3,493
Holt——
Permian (undifferentiated)PERMIAN DETRITAL——
Queen——
Seven Rivers——
Tubb——

Perforations

Perforated and open-hole intervals.

FromToType
9,90422,834Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
11.751,78814.751,125 S
8.6256,47910.625785 S
5.522,8597.8752,110 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
00Mar 13, 2024Jan 9, 2024Yes
00Sep 6, 2023Jun 27, 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 →

UL Page 41-44 A42-003-48357

0.0 KM · Diamondback E&P LLC · Section with this well →

Yates2,009928
Grayburg4,061-1,124
San Andres4,493-1,556
Glorieta5,555-2,618
Clear Fork6,441-3,504
Holt—
Permian (undifferentiated)—
Queen—

10 TOPS · FIRST 8

UL Page 41-44 C42-003-48360

0.0 KM · Diamondback E&P LLC · Section with this well →

Yates2,990-53
Grayburg4,056-1,119
San Andres4,483-1,546
Glorieta5,572-2,635
Clear Fork6,446-3,509
Queen—
Holt—
Permian (undifferentiated)—

10 TOPS · FIRST 8

UL Page 41-44 D42-003-48361

0.0 KM · Diamondback E&P LLC · Section with this well →

Yates2,982-45
Grayburg4,054-1,117
San Andres4,487-1,550
Glorieta5,574-2,637
Clear Fork6,433-3,496
Queen—
Seven Rivers—
Tubb—

10 TOPS · FIRST 8

UL Page 41-44 E42-003-48362

0.0 KM · Diamondback E&P LLC · Section with this well →

Yates2,983-46
Grayburg4,057-1,120
San Andres4,477-1,540
Glorieta5,590-2,653
Clear Fork6,427-3,490
Seven Rivers—
Holt—
Permian (undifferentiated)—

10 TOPS · FIRST 8

UL Page 41-44 F42-003-48363

0.0 KM · Diamondback E&P LLC · Section with this well →

Yates2,984-48
Grayburg4,056-1,120
San Andres4,484-1,548
Glorieta5,588-2,652
Clear Fork6,433-3,497
Holt—
Tubb—
Permian (undifferentiated)—

10 TOPS · FIRST 8

UL Page 41-44 G42-003-48837

0.0 KM · Diamondback E&P LLC · Section with this well →

Yates2,996-56
Grayburg4,071-1,131
San Andres4,495-1,555
Glorieta5,537-2,597
Clear Fork6,428-3,488
Queen—
Canyon—
Dean—

13 TOPS · FIRST 8

University "F"42-317-31294

0.4 KM · Diamondback E&P LLC · Section with this well →

Spraberry8,240-5,321
Spraberry8,690-5,771

UL Stanolind 30-27 B42-317-44333

0.6 KM · Diamondback E&P LLC · Section with this well →

Yates2,987-64
Queen3,613-690
Grayburg4,098-1,175
San Andres4,474-1,551
Clear Fork6,402-3,479
Spraberry8,238-5,315
Dean—
Santa Rosa—

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/00348359, documented in the API reference.