42-317-35567

PRODUCING

MULLINS 12A

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

Permits

3

Max Depth

12,000 ft

First Permit

2009-02-05

Latest Activity

2017-11-29

Lifespan

9 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

2011-03-16

Shut-In

Plugged

P-5 Org Status: X

!

EWA / Permit operator mismatch

Scheduling: DIAMONDBACK E&P LLC ≠ Permit: ENDEAVOR ENERGY RESOURCES L.P.

Resolved via: productionDIAMONDBACK E&P LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2011-03

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 (5) Elevation 2,758 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SPRABERRY (TREND AREA) (Spraberry)7,675 ft-4,917 ft
SPRAYBERRY (TREND AREA) (Spraberry)7,675 ft-4,917 ft
STRAWN 10,200 ft-7,442 ft
MISSISSIPPIAN 10,425 ft-7,667 ft
ATOKA

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
42-317-35314 MULLINS '12' · ENDEAVOR ENERGY RESOURCES L.P.
0.5 mi
Clear Fork 5,450'Spraberry 7,150'Dean 8,525'Wolfcamp 8,775'Strawn 10,175'Mississippian 10,800'Atoka
42-317-46581 LICENSE TO DRILL 11-47 UNIT · DIAMONDBACK E&P LLC
1.0 mi
Yates 2,259'Queen 3,102'Grayburg 3,490'Grayburg 3,573'San Andres 3,799'Clear Fork 5,131'Spraberry 7,150'Dean 8,518'Santa Rosa Wolfcamp Cisco
42-317-46582 LICENSE TO DRILL 11-47 UNIT · DIAMONDBACK E&P LLC
1.0 mi
Yates 2,257'Queen 3,103'Grayburg 3,506'San Andres 3,814'Clear Fork 5,160'Spraberry 7,152'Dean 8,534'Cisco Pennsylvanian Santa Rosa Wolfcamp
42-317-46592 LICENSE TO DRILL WEST 11-47 UNIT · DIAMONDBACK E&P LLC
1.0 mi
Yates 2,260'Queen 3,115'Grayburg 3,511'San Andres 3,828'Clear Fork 5,190'Spraberry 7,164'Dean 8,542'Santa Rosa Cisco Wolfcamp
42-317-46593 LICENSE TO DRILL WEST 11-47 UNIT · DIAMONDBACK E&P LLC
1.0 mi
Yates 2,262'Queen 3,109'Grayburg 3,510'San Andres 3,818'Clear Fork 5,227'Spraberry 7,188'Dean 8,557'Cisco Wolfcamp Santa Rosa
42-317-46271 CENTRAL DAVIS SWD · ROCK FISH OPERATING LLC
1.1 mi
Santa Rosa 880'Yates 2,277'Queen 3,113'Grayburg 3,665'San Andres 4,121'Cisco Pennsylvanian Spraberry Dean Wolfcamp
42-115-34055 KATHERINE F · HIBERNIA RESOURCES IV, LLC
1.3 mi
Yates 2,265'Yates 2,278'San Andres 4,020'Clear Fork 6,015'Spraberry 7,150'Dean 8,509'Pennsylvanian Devonian Mississippian Wolfcamp Canyon
42-115-34052 KATHERINE C · HIBERNIA RESOURCES IV, LLC
1.7 mi
Yates 2,252'San Andres 4,080'Clear Fork 5,925'Spraberry 7,184'Dean 8,555'Mississippian Devonian Pennsylvanian Wolfcamp Silurian (undifferentiated) Canyon

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
7,979–9,883 ftPerforated
7,979–11,007 ftPerforated

Casing (3)

SizeSet DepthCement
12.75"330 ft400 sx
8.625"4,331 ft410 sx
5.5"11,135 ft1,445 sx

Permit History (3)

Applications (3)

#833384 A ENDEAVOR ENERGY RESOURCES L.P.
received 2017-11-17
#678206 A ENDEAVOR ENERGY RESOURCES L.P.
received 2010-06-21
#678206 A ENDEAVOR ENERGY RESOURCES L.P.
received 2009-02-04

Records & Logs

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

W-2/G-1 2018-01-23
W-2/G-1 2011-03-31 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 32.514920
Lon -101.799508

Well Details

Well Number
1
Max Depth
12,000 ft
Drill Type
Vertical
County
MARTIN
District
8
Completed
2011-03-16

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