42-317-43109

PRODUCING Horizontal

FEARLESS 136-137 A

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

Permits

2

Max Depth

10,980 ft

First Permit

2020-07-13

Latest Activity

2020-07-13

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2021-04-05

Shut-In

Plugged

P-5 Org Status: X

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2020-09

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 2,838 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YATES 2,863 ft-25 ft
GRAYBURG 3,992 ft-1,154 ft
SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres)4,461 ft-1,623 ft
CLEARFORK (Clear Fork)6,573 ft-3,735 ft
SPRABERRY 7,970 ft-5,132 ft
DEAN 9,270 ft-6,432 ft
WOLFCAMP 9,512 ft-6,674 ft
CISCO
QUEEN
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
42-317-43797 ALLDALE 136-321 C · DIAMONDBACK E&P LLC
0.1 mi
Yates 2,869'Queen 3,808'Grayburg 3,964'San Andres 4,446'Clear Fork 6,564'Spraberry 7,964'Dean Santa Rosa Wolfcamp Cisco
42-317-43799 ALLDALE 136-321 E · DIAMONDBACK E&P LLC
0.1 mi
Yates 2,880'Queen 3,815'Grayburg 3,973'San Andres 4,450'Clear Fork 6,582'Spraberry 7,975'Wolfcamp Cisco Pennsylvanian Santa Rosa Dean
42-317-43785 ALLDALE 136-321 A · DIAMONDBACK E&P LLC
0.1 mi
Yates 2,888'Queen 3,821'Grayburg 3,974'San Andres 4,462'Clear Fork 6,584'Spraberry 7,978'Santa Rosa Dean Cisco Wolfcamp
42-317-43801 ALLDALE 136-321 G · DIAMONDBACK E&P LLC
0.1 mi
Yates 2,868'Queen 3,842'Grayburg 3,987'San Andres 4,426'Clear Fork 6,584'Spraberry 7,978'Dean 9,265'Wolfcamp 9,516'Cisco Pennsylvanian Santa Rosa
42-317-43798 ALLDALE 136-321 D · DIAMONDBACK E&P LLC
0.1 mi
Santa Rosa 1,342'Yates 2,867'Queen 3,813'Grayburg 3,961'San Andres 4,435'Clear Fork 6,568'Spraberry 7,970'Strawn Pennsylvanian Dean Wolfcamp Cisco
42-317-43796 ALLDALE 136-321 B · DIAMONDBACK E&P LLC
0.1 mi
Yates 2,867'Queen 3,818'Grayburg 3,965'San Andres 4,437'Clear Fork 6,579'Spraberry 7,971'Pennsylvanian Santa Rosa Wolfcamp Cisco Dean
42-317-43800 ALLDALE 136-321 F · DIAMONDBACK E&P LLC
0.1 mi
Yates 2,864'Queen 3,811'Grayburg 3,955'San Andres 4,439'Clear Fork 6,577'Spraberry 7,971'Dean Santa Rosa Wolfcamp Cisco
42-317-41991 ALLDALE SN · ENERGEN RESOURCES CORPORATION
0.2 mi
Santa Rosa 1,363'Yates 2,867'Queen 3,774'Grayburg 3,877'San Andres 4,427'Spraberry 7,957'Dean 9,260'Wolfcamp 9,752'Cisco Pennsylvanian

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
10,086–17,839 ftPerforated

Casing (4)

SizeSet DepthCement
13.375"1,986 ft1,650 sx
5.5"7,773 ft720 sx
7.625"8,155 ft600 sx
4.5"17,926 ft720 sx

Permit History (2)

Applications (2)

#863829 A DIAMONDBACK E&P LLC
received 2021-04-19
#863829 A DIAMONDBACK E&P LLC
received 2020-06-05

Records & Logs

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

W-2/G-1 2021-08-03 log on file
W-2/G-1 2021-05-05 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 32.317041
Lon -102.045598

Well Details

Well Number
8WB
Max Depth
10,980 ft
Drill Type
Horizontal
County
MARTIN
District
8
Completed
2021-04-05

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