42-317-45703

PRODUCING Horizontal

UL MARSHALLDALE 15-28 A

MARTIN County · District 8 · DIAMONDBACK E&P LLC · SPRABERRY (TREND AREA)

Permits

2

Max Depth

13,000 ft

First Permit

2023-10-26

Latest Activity

2023-10-26

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2026-01-01

Shut-In

Plugged

P-5 Org Status: X

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2024-12

Last Production

2026-07

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (14) Elevation 2,952 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
CLEARFORK (Clear Fork)6,466 ft-3,514 ft
SPRABERRY 8,360 ft-5,408 ft
DEAN 9,585 ft-6,633 ft
WOLFCAMP 9,743 ft-6,791 ft
CISCO
DEAN
GRAYBURG
PENNSYLVANIAN
QUEEN
SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres)
SANTA ROSA
SPRABERRY
WOLFCAMP
YATES

As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported.

Cross-section
42-317-45746 UL MARSHALLDALE 15-29 A · DIAMONDBACK E&P LLC
0.0 mi
Santa Rosa Grayburg Cisco San Andres Spraberry Yates Dean Queen Pennsylvanian Wolfcamp
42-317-45704 UL MARSHALLDALE 15-28 B · DIAMONDBACK E&P LLC
0.0 mi
Clear Fork 6,498'Spraberry 8,365'Spraberry 8,674'Dean Queen San Andres Spraberry Santa Rosa Grayburg Yates Pennsylvanian Wolfcamp +1 more
42-317-45705 UL MARSHALLDALE 15-28 C · DIAMONDBACK E&P LLC
0.0 mi
Clear Fork 6,505'Spraberry 8,365'Spraberry 8,915'Santa Rosa Grayburg Yates Dean Pennsylvanian Wolfcamp Queen Cisco San Andres +1 more
42-317-46224 UL MARSHALLDALE 15-28 E · DIAMONDBACK E&P LLC
0.0 mi
Santa Rosa 1,036'Cisco San Andres Spraberry Queen Grayburg Yates Dean Wolfcamp Rustler
42-317-45706 UL MARSHALLDALE 15-28 D · DIAMONDBACK E&P LLC
0.0 mi
Clear Fork 6,490'Spraberry 8,360'Dean 9,595'Wolfcamp 9,742'Queen San Andres Spraberry Santa Rosa Grayburg Yates Dean Pennsylvanian +2 more
42-317-45747 UL MARSHALLDALE 15-29 B · DIAMONDBACK E&P LLC
0.0 mi
Santa Rosa Grayburg Yates Dean Pennsylvanian Wolfcamp Cisco Queen San Andres Spraberry
42-317-46519 UL KANSAS 14-1 E · DIAMONDBACK E&P LLC
0.0 mi
Santa Rosa 1,338'Yates 2,106'Queen 3,079'Grayburg 4,174'San Andres 4,630'Clear Fork 6,493'Spraberry 8,355'Dean 9,590'Wolfcamp Cisco Pennsylvanian Queen +6 more
42-317-46225 UL MARSHALLDALE 15-28 F · DIAMONDBACK E&P LLC
0.0 mi
Santa Rosa 1,036'San Andres Spraberry Santa Rosa Rustler Grayburg Yates Dean Pennsylvanian Wolfcamp Queen Cisco

Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).

Perforations (1)

IntervalType
10,311–20,633 ftPerforated

Casing (3)

SizeSet DepthCement
11.75"1,982 ft1,155 sx
8.625"5,789 ft940 sx
5.5"20,672 ft2,440 sx

Permit History (2)

Applications (2)

#894594 A DIAMONDBACK E&P LLC
received 2024-11-18
#894594 A DIAMONDBACK E&P LLC
received 2023-10-16

Records & Logs

2 completion filings on record · 2 with log images at RRC.

W-2/G-1 2026-04-07 log on file
W-2/G-1 2025-05-21 log on file
Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library can't be deep-linked — clicking copies the API for you to paste.

Lat 32.516081
Lon -102.203125

Well Details

Well Number
1WA
Max Depth
13,000 ft
Drill Type
Horizontal
County
MARTIN
District
8
Completed
2026-01-01

Operator

Location
MIDLAND
P-5 Status
X (filed 2026-05-04)
Cum Oil (all leases)
986,290,193 bbl
Cum Gas (all leases)
41,995,553 mcf
Activities
GTHS/C, GTHS/O, OPRS/G, OPRS/O
Total Permits
5,055