42-317-45704

PRODUCING Horizontal

UL MARSHALLDALE 15-28 B

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 (13) Elevation 2,952 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
CLEARFORK (Clear Fork)6,498 ft-3,546 ft
SPRABERRY 8,365 ft-5,413 ft
MIDDLE SPRABERRY (Spraberry)8,674 ft-5,722 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
42-317-45703 UL MARSHALLDALE 15-28 A · DIAMONDBACK E&P LLC
0.0 mi
Clear Fork 6,466'Spraberry 8,360'Dean 9,585'Wolfcamp 9,743'Pennsylvanian Wolfcamp Cisco Grayburg Yates Queen Dean Spraberry +2 more
42-317-45746 UL MARSHALLDALE 15-29 A · DIAMONDBACK E&P LLC
0.0 mi
Pennsylvanian San Andres Queen Spraberry Wolfcamp Cisco Grayburg Yates Santa Rosa Dean
42-317-46224 UL MARSHALLDALE 15-28 E · DIAMONDBACK E&P LLC
0.0 mi
Santa Rosa 1,036'Queen Spraberry Wolfcamp Cisco Grayburg Yates Rustler San Andres Dean
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'Queen Spraberry Santa Rosa Pennsylvanian +6 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'Dean San Andres Queen Spraberry Santa Rosa Pennsylvanian Wolfcamp Cisco Grayburg +1 more
42-317-46518 UL KANSAS 14-1 D · 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 6,492'Spraberry 8,360'Spraberry 8,685'Pennsylvanian Santa Rosa Wolfcamp Cisco +6 more
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'Pennsylvanian Wolfcamp Cisco Grayburg Yates Dean San Andres Queen +2 more
42-317-45747 UL MARSHALLDALE 15-29 B · DIAMONDBACK E&P LLC
0.0 mi
San Andres Queen Spraberry Pennsylvanian Wolfcamp Cisco Grayburg Yates Santa Rosa Dean

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
9,261–19,588 ftPerforated

Casing (3)

SizeSet DepthCement
11.75"1,998 ft1,155 sx
8.625"5,953 ft950 sx
5.5"19,627 ft2,350 sx

Permit History (2)

Applications (2)

#894595 A DIAMONDBACK E&P LLC
received 2024-11-19
#894595 A DIAMONDBACK E&P LLC
received 2023-10-16

Records & Logs

2 completion filings on record · 1 with log images at RRC.

W-2/G-1 2026-04-07 log on file
W-2/G-1 2025-05-21
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 32.516064
Lon -102.203203

Well Details

Well Number
1MS
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
4,969