42-317-42891

PRODUCING Horizontal

UL COTTONFLAT C

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

Permits

1

Max Depth

13,000 ft

First Permit

2020-02-10

Latest Activity

2020-02-10

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2022-04-14

Shut-In

Plugged

P-5 Org Status: X

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2020-04

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 (10) Elevation 2,934 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YATES 2,996 ft-62 ft
QUEEN 3,659 ft-725 ft
GRAYBURG 4,062 ft-1,128 ft
SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres)4,491 ft-1,557 ft
SPRABERRY 8,291 ft-5,357 ft
DEAN 9,541 ft-6,607 ft
WOLFCAMP 9,744 ft-6,810 ft
CISCO
PENNSYLVANIAN
SANTA ROSA

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
42-317-42888 UL COTTONFLAT A · DIAMONDBACK E&P LLC
0.0 mi
Yates 2,994'Queen 3,660'Grayburg 4,061'San Andres 4,490'Spraberry 8,295'Cisco Strawn Dean Mississippian Santa Rosa Devonian Pennsylvanian +1 more
42-317-42890 UL COTTONFLAT D · DIAMONDBACK E&P LLC
0.0 mi
Santa Rosa San Andres Queen Spraberry Pennsylvanian Wolfcamp Cisco Grayburg Yates Dean
42-317-42889 UL COTTONFLAT B · DIAMONDBACK E&P LLC
0.0 mi
Yates 2,985'Queen 3,663'Grayburg 4,067'San Andres 4,491'Spraberry 8,298'Dean Santa Rosa Pennsylvanian Wolfcamp Cisco
42-317-42979 UL COTTONFLAT E · DIAMONDBACK E&P LLC
0.1 mi
Yates 3,205'Queen 3,665'Grayburg 4,057'San Andres 4,478'Glorieta 5,588'Clear Fork 6,409'Spraberry 8,283'Dean Wolfcamp Santa Rosa
42-317-42980 UL COTTONFLAT F · DIAMONDBACK E&P LLC
0.1 mi
Yates 2,994'Seven Rivers 3,202'Queen 3,657'Grayburg 4,057'San Andres 4,477'Glorieta 5,588'Spraberry 8,285'Pennsylvanian Spraberry Santa Rosa Wolfcamp Cisco +1 more
42-317-42981 UL COTTONFLAT G · DIAMONDBACK E&P LLC
0.1 mi
Yates 2,989'Seven Rivers 3,206'Queen 3,655'Grayburg 4,055'San Andres 4,476'Glorieta 5,588'Spraberry 8,286'Dean 9,526'Wolfcamp 9,730'Cisco Pennsylvanian Santa Rosa
42-003-47697 UL BLK 6 DDU A · AJAX RESOURCES, LLC
0.3 mi
Grayburg 4,266'San Andres 4,782'Clear Fork 6,450'Permian (undifferentiated) Seven Rivers Holt Tubb Yates Glorieta Queen
42-003-47696 UL BLK 6 DDU A · AJAX RESOURCES, LLC
0.3 mi
Grayburg 4,266'San Andres 4,782'Clear Fork 6,455'Yates Seven Rivers Glorieta Queen Holt Tubb Permian (undifferentiated)

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 (2)

IntervalType
10,115–20,353 ftPerforated
10,115–23,053 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"455 ft500 sx
9.625"9,234 ft935 sx
5.5"23,144 ft4,085 sx

Permit History (1)

Applications (1)

#861540 A DIAMONDBACK E&P LLC
received 2020-01-30

Records & Logs

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

W-2/G-1 2023-01-19 log on file
W-2/G-1 2022-05-23
W-2/G-1 2021-10-11
W-2/G-1 2021-05-05
W-2/G-1 2021-01-07 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 32.459681
Lon -102.209301

Well Details

Well Number
4101WA
Max Depth
13,000 ft
Drill Type
Horizontal
County
MARTIN
District
8
Completed
2022-04-14

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