WELL · 42-317-43394 · DISTRICT 8

UL Comanche J 29-42 #3WA

Y

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

UL Comanche J 29-42 #3WA (API 42-317-43394) is a horizontal well in Martin County operated by Diamondback E&P LLC, completed March 5, 2022 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued February 23, 2021, permitted to 11,000 ft.

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

Its lease has reported 229K barrels of oil and 142K mcf of gas since July 2021, 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 LLCFeb 23, 2021
11,000
total depth, ft
1
permits on file
Feb 23, 2021
last permit issued
Mar 5, 2022
completed
229K
cumulative oil, bbl
142K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jul 2021 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Mar 5, 2022
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

Surface location

32.483061, -102.187283

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
UL Comanche J 29-42 O-10-56494Spraberry (Trend Area)Diamondback E&P LLC1229K142KJul 2021 – Jul 2026

Oil, barrels lease total

Last 12 months 15,046 · prior 12 20,147(-25%)

02K4K6K202420252026

Gas, mcf lease total

Last 12 months 22,735 · prior 12 11,469(+98%)

02K4K6K202420252026

Chain of custody

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

  1. 1Diamondback E&P LLCMar 2022 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
867213-99DrillDiamondback E&P LLCJan 20, 2021Feb 23, 2021May 26, 202111,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-56494————

Formation tops

As filed on W-2/G-1. Subsea from 2,886 ft elevation.Download CSV →

FormationMD ftSubsea
Yates2,933-47
Seven Rivers3,149-263
Queen3,912-1,026
Grayburg4,045-1,159
San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H4,417-1,531
Glorieta5,406-2,520
Clear ForkCLEARFORK6,366-3,480
Spraberry8,215-5,329
SpraberrySPRABERRY UPPER/DEAN9,466-6,580
Dean——
Santa Rosa——

Perforations

Perforated and open-hole intervals.

FromToType
10,32518,003Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
11.751,74814.75955 S
8.6255,90111920 S
5.518,0777.8751,435 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
00Aug 18, 2022May 26, 2022Yes
00Dec 29, 2021Nov 17, 2021—

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 Comanche H 29-4242-317-43392

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

Yates2,928-42
Queen3,912-1,026
Grayburg4,044-1,158
San Andres4,418-1,532
Glorieta5,426-2,540
Clear Fork6,363-3,477
Spraberry8,206-5,320
Santa Rosa—

10 TOPS · FIRST 8

UL Comanche I 29-4242-317-43393

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

Yates2,925-39
Queen3,912-1,026
Grayburg4,041-1,155
San Andres4,412-1,526
Spraberry8,209-5,323
Pennsylvanian—
Wolfcamp—
Santa Rosa—

10 TOPS · FIRST 8

Big Gulp42-317-42165

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

Santa Rosa1,0001,889
Yates2,994-105
Queen3,608-719
Grayburg4,018-1,129
San Andres4,467-1,578
Spraberry8,214-5,325
Dean9,460-6,571
Wolfcamp9,648-6,759

10 TOPS · FIRST 8

State-University -123-42-317-34069

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

Rustler1,970920
Yates2,980-90
San Andres4,680-1,790
Clear Fork6,375-3,485
Clear Fork6,375-3,485
Spraberry8,516-5,626

UL Comanche V 29-4242-317-43658

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

Yates2,973-74
Queen3,663-764
Grayburg4,096-1,197
San Andres4,476-1,577
Clear Fork6,422-3,523
Spraberry8,252-5,353
Dean—
Cisco—

10 TOPS · FIRST 8

UL Comanche U 29-4242-317-43659

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

Yates2,977-78
Queen3,662-763
Grayburg4,098-1,199
San Andres4,477-1,578
Clear Fork6,414-3,515
Spraberry8,253-5,354
Cisco—
Dean—

10 TOPS · FIRST 8

UL Comanche T 29-4242-317-43660

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

Yates2,973-74
Queen3,660-761
Grayburg4,094-1,195
San Andres4,473-1,574
Spraberry8,250-5,351
Dean9,490-6,591
Wolfcamp9,646-6,747
Pennsylvanian—

10 TOPS · FIRST 8

UL Comanche S 29-4242-317-43661

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

Yates2,978-79
Queen3,665-766
Grayburg4,092-1,193
San Andres4,474-1,575
Clear Fork6,427-3,528
Spraberry8,267-5,368
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/31743394, documented in the API reference.