42-227-40267

SHUT IN Horizontal

WILLIAMS 21 B

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

Permits

1

Max Depth

8,790 ft

First Permit

2019-07-26

Latest Activity

2019-07-26

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2022-08-21

Shut-In

Plugged

P-5 Org Status: X

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2018-02

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 (11) Elevation 2,551 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YATES 1,930 ft+621 ft
SEVEN RIVERS 2,028 ft+523 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)3,411 ft-860 ft
GLORIETA 4,223 ft-1,672 ft
GLORIETA 4,229 ft-1,678 ft
CLEARFORK - SEVERE WATER FLOWS (Clear Fork)4,843 ft-2,292 ft
SPRABERRY 6,598 ft-4,047 ft
COLEMAN JUNCTION
DEAN
LEONARD
WOLFCAMP

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
42-227-40268 WILLIAMS 21 B · DIAMONDBACK E&P LLC
0.0 mi
Yates 1,943'Seven Rivers 2,045'San Andres 3,415'Glorieta 4,243'Clear Fork 4,862'Spraberry 6,596'Dean 7,880'Wolfcamp 8,018'Rustler Wolfcamp Leonard Santa Rosa +1 more
42-227-40269 WILLIAMS 21 C · DIAMONDBACK E&P LLC
0.0 mi
Yates 1,943'Seven Rivers 2,028'San Andres 3,410'Glorieta 4,230'Clear Fork 4,860'Spraberry 6,585'Wolfcamp Coleman Junction Dean Leonard
42-227-40270 WILLIAMS 21 C · DIAMONDBACK E&P LLC
0.0 mi
Yates 1,928'Seven Rivers 2,053'San Andres 3,431'Glorieta 4,254'Clear Fork 4,862'Spraberry 6,597'Dean 7,871'Wolfcamp 8,023'Coleman Junction Leonard
42-227-39174 WILLIAMS 21 C · DIAMONDBACK E&P LLC
0.1 mi
Yates 1,924'Seven Rivers 2,099'San Andres 3,684'Glorieta 4,255'Clear Fork 4,874'Spraberry 6,632'Leonard 7,550'Dean 7,906'Wolfcamp 8,092'Coleman Junction
42-227-39175 WILLIAMS 21 B · DIAMONDBACK E&P LLC
0.1 mi
Yates 1,923'Seven Rivers 2,102'San Andres 3,684'Glorieta 4,245'Clear Fork 4,872'Spraberry 6,629'Leonard 7,543'Dean 7,894'Wolfcamp 8,031'Coleman Junction
42-227-39176 WILLIAMS 21 A · DIAMONDBACK E&P LLC
0.1 mi
Yates 1,925'Seven Rivers 2,098'San Andres 3,668'Glorieta 4,218'Clear Fork 4,860'Spraberry 6,620'Leonard 7,537'Dean 7,890'Wolfcamp 8,050'Coleman Junction
42-227-41839 DEMON DEACON 22-25 D · BIRCH OPERATIONS, INC.
0.2 mi
Santa Rosa 840'Rustler 1,258'Yates 1,938'Seven Rivers 2,071'San Andres 3,423'Glorieta 4,571'Clear Fork 4,856'Spraberry 6,596'Leonard 7,085'Dean 7,874'
42-227-42522 DEMON DEACON 22-25 E · BIRCH OPERATIONS, INC.
0.6 mi
Santa Rosa 807'Rustler 1,257'Yates 1,933'Seven Rivers 2,071'San Andres 3,422'Glorieta 4,529'Clear Fork 4,828'Spraberry 6,598'Dean 7,866'Leonard

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
8,126–17,927 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"443 ft580 sx
9.625"7,243 ft705 sx
5.5"18,039 ft3,200 sx

Permit History (1)

Applications (1)

#855081 A DIAMONDBACK E&P LLC
received 2019-07-15

Records & Logs

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

W-2/G-1 2023-01-05
W-2/G-1 2020-06-22 log on file

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

Lat 32.368353
Lon -101.662245

Well Details

Well Number
2LS
Max Depth
8,790 ft
Drill Type
Horizontal
County
HOWARD
District
8
Completed
2022-08-21

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