42-317-41643

PRODUCING Horizontal

MATTINGLEY 14-26 UNIT 2

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

Permits

1

Max Depth

12,000 ft

First Permit

2018-07-26

Latest Activity

2018-07-26

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2019-05-03

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

2019-05

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 2,834 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 1,000 ft+1,834 ft
YATES 1,954 ft+880 ft
QUEEN 3,950 ft-1,116 ft
GRAYBURG 4,281 ft-1,447 ft
SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres)4,453 ft-1,619 ft
CISCO 5,167 ft-2,333 ft
SPRABERRY 7,761 ft-4,927 ft
DEAN 9,089 ft-6,255 ft
WOLFCAMP 9,293 ft-6,459 ft
PENNSYLVANIAN

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
42-317-41642 MATTINGLEY 14-26 E · ENDEAVOR ENERGY RESOURCES L.P.
0.0 mi
Santa Rosa 1,000'Yates 1,954'Queen 2,200'Grayburg 4,284'San Andres 4,474'Cisco 5,179'Spraberry 7,759'Dean 9,077'Wolfcamp 9,324'Pennsylvanian
42-317-41644 MATTINGLEY 14-26 F · ENDEAVOR ENERGY RESOURCES L.P.
0.0 mi
Santa Rosa 1,000'Yates 1,954'Queen 3,950'Grayburg 4,271'San Andres 4,509'Cisco 6,455'Spraberry 7,767'Dean 9,095'Wolfcamp 9,303'Pennsylvanian
42-317-41641 MATTINGLEY 14-26 E · ENDEAVOR ENERGY RESOURCES L.P.
0.0 mi
Santa Rosa 1,000'Yates 1,954'Queen 2,200'Grayburg 4,267'San Andres 4,468'Cisco 5,159'Spraberry 7,726'Dean 9,077'Wolfcamp 9,324'Pennsylvanian
42-317-41640 MATTINGLEY 14-26 E · ENDEAVOR ENERGY RESOURCES L.P.
0.0 mi
Santa Rosa 1,000'Yates 1,954'Queen 3,950'Grayburg 4,268'San Andres 4,472'Cisco 5,169'Spraberry 7,769'Dean 9,146'Wolfcamp 9,299'Pennsylvanian
42-317-41237 MARIE B · QEP ENERGY COMPANY
0.1 mi
Santa Rosa 1,338'Yates 2,675'Queen 3,607'Grayburg 4,259'San Andres 4,403'Spraberry 7,751'Cisco Dean Wolfcamp Pennsylvanian
42-317-41236 MARIE A · QEP ENERGY COMPANY
0.1 mi
Santa Rosa 1,338'Yates 2,675'Queen 3,607'Grayburg 4,259'San Andres 4,403'Spraberry 7,756'Dean 9,068'Wolfcamp 9,358'Cisco Pennsylvanian
42-317-41235 MARIE A · QEP ENERGY COMPANY
0.1 mi
Santa Rosa 1,338'Yates 2,675'Queen 3,607'Grayburg 4,259'San Andres 4,403'Spraberry 7,748'Dean 9,061'Wolfcamp 9,359'Pennsylvanian Cisco
42-317-41234 MARIE A · QEP ENERGY COMPANY
0.1 mi
Santa Rosa 1,338'Yates 2,675'Queen 3,607'Grayburg 4,259'San Andres 4,403'Spraberry 7,757'Wolfcamp Cisco Dean 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
9,830–22,107 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,892 ft1,655 sx
9.625"8,728 ft945 sx
5.5"22,233 ft3,415 sx

Permit History (1)

Applications (1)

#842775 A ENDEAVOR ENERGY RESOURCES L.P.
received 2018-07-24

Records & Logs

1 completion filing on record · 1 with log images at RRC.

W-2/G-1 2019-08-20 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 32.323991
Lon -101.982550

Well Details

Well Number
261
Max Depth
12,000 ft
Drill Type
Horizontal
County
MARTIN
District
8
Completed
2019-05-03

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
4,977