WELL · 42-003-49022 · DISTRICT 8

UL Dengar 40-45 E #1LS

Y

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

UL Dengar 40-45 E #1LS (API 42-003-49022) is a horizontal well in Andrews County operated by Diamondback E&P LLC, completed March 25, 2025 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued August 12, 2024, permitted to 9,500 ft.

Completion filings report 10 formation tops, including Yates, Seven Rivers, Queen, Grayburg.

Its lease has reported 214K barrels of oil and 210K mcf of gas since March 2025, 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 LLCAug 12, 2024
9,500
total depth, ft
1
permits on file
Aug 12, 2024
last permit issued
Mar 25, 2025
completed
214K
cumulative oil, bbl
210K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Mar 2025 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Mar 25, 2025
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

Surface location

32.461540, -102.221343

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 Dengar 40-45 E O-10-63842Spraberry (Trend Area)Diamondback E&P LLC1214K210KMar 2025 – Jul 2026

Oil, barrels lease total

Last 12 months 170,262 · prior 12 43,932(+288%)

020K40K202420252026

Gas, mcf lease total

Last 12 months 182,225 · prior 12 27,880(+554%)

010K20K30K202420252026

Chain of custody

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

  1. 1Diamondback E&P LLCMar 2025 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
901688-99DrillDiamondback E&P LLCJul 30, 2024Aug 12, 2024Sep 19, 20249,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-63842————

Formation tops

As filed on W-2/G-1. Subsea from 2,971 ft elevation.Download CSV →

FormationMD ftSubsea
Yates3,040-69
Seven Rivers3,263-292
Queen3,788-817
Grayburg4,154-1,183
San AndresSAN ANDRES - CO2 FLOOD, HIGH FLO4,563-1,592
Glorieta5,447-2,476
Clear ForkCLEARFORK6,470-3,499
Holt——
Permian (undifferentiated)PERMIAN DETRITAL——
Tubb——

Perforations

Perforated and open-hole intervals.

FromToType
9,98417,529Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
11.751,83214.751,125 S
8.6255,8519.8751,055 S
5.517,5947.8752,215 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
00Sep 24, 2025Sep 16, 2025Yes

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 Dengar 40-3 A42-003-49019

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

Yates3,035-64
Seven Rivers3,260-289
Queen3,788-817
Grayburg4,154-1,183
San Andres4,556-1,585
Glorieta5,438-2,467
Clear Fork6,461-3,490
Tubb—

10 TOPS · FIRST 8

UL Dengar 40-45 F42-003-49024

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

Yates3,038-68
Seven Rivers3,262-292
Queen3,794-824
Grayburg4,150-1,180
San Andres4,553-1,583
Glorieta5,447-2,477
Clear Fork6,467-3,497
Tubb—

10 TOPS · FIRST 8

UL Dengar 40-45 A42-003-49021

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

Yates3,056-92
Seven Rivers3,291-327
Queen3,559-595
Grayburg4,131-1,167
San Andres4,573-1,609
Glorieta5,555-2,591
Clear Fork6,503-3,539
Holt—

10 TOPS · FIRST 8

UL Dengar 40-45 B42-003-49023

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

Yates3,056-92
Seven Rivers3,290-326
Queen3,559-595
Grayburg4,130-1,166
San Andres4,572-1,608
Clear Fork6,497-3,533
Holt—
Permian (undifferentiated)—

10 TOPS · FIRST 8

UL Dengar 40-45 C42-003-49018

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

Yates3,055-91
Seven Rivers3,289-325
Queen3,558-594
Grayburg4,129-1,165
San Andres4,570-1,606
Glorieta5,528-2,564
Clear Fork6,492-3,528
Tubb—

10 TOPS · FIRST 8

UL Dengar 40-45 D42-003-49020

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

Yates3,055-92
Seven Rivers3,288-325
Queen3,558-595
Grayburg4,128-1,165
San Andres4,569-1,606
Glorieta5,522-2,559
Clear Fork6,489-3,526
Permian (undifferentiated)—

10 TOPS · FIRST 8

University 6-40 Unit42-003-47314

0.5 KM · Ajax Resources, LLC · Section with this well →

Clear Fork6,448-3,483
Opal Spraberry8,200-5,235
Spraberry8,333-5,368
Spraberry8,669-5,704
Spraberry9,295-6,330
Glorieta—
Yates—
Tubb—

14 TOPS · FIRST 8

UL BLK 6 Ddu A42-003-47993

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

Yates3,022-61
Seven Rivers3,262-301
Queen3,688-727
Grayburg4,094-1,133
San Andres4,533-1,572
Glorieta5,417-2,456
Clear Fork6,461-3,500
Tubb—

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/00349022, documented in the API reference.