42-317-41229

PRODUCING Horizontal

COX 9-12 UNIT 2

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

Permits

1

Max Depth

11,000 ft

First Permit

2018-01-29

Latest Activity

2018-01-29

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2018-11-08

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

2018-11

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 2,840 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 1,000 ft+1,840 ft
YATES 1,250 ft+1,590 ft
QUEEN 1,300 ft+1,540 ft
GRAYBURG 4,395 ft-1,555 ft
SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres)4,615 ft-1,775 ft
CISCO 5,260 ft-2,420 ft
SPRABERRY 7,888 ft-5,048 ft
DEAN 9,178 ft-6,338 ft
WOLFCAMP 9,435 ft-6,595 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
42-317-41230 COX 9-12 UNIT 2 · ENDEAVOR ENERGY RESOURCES L.P.
0.0 mi
Santa Rosa 1,000'Yates 1,250'Queen 1,300'Grayburg 4,395'San Andres 4,615'Cisco 5,260'Spraberry 7,888'Dean 8,693'Wolfcamp Pennsylvanian
42-317-41228 COX 9-12 UNIT 2 · ENDEAVOR ENERGY RESOURCES L.P.
0.0 mi
Santa Rosa 1,000'Yates 1,250'Queen 1,300'Grayburg 4,395'San Andres 4,615'Cisco 5,260'Spraberry 7,888'Dean 9,178'Wolfcamp 9,435'Pennsylvanian
42-317-41231 COX 9-12 UNIT 2 · ENDEAVOR ENERGY RESOURCES L.P.
0.0 mi
Santa Rosa 1,000'Yates 1,250'Queen 1,300'Grayburg 4,395'San Andres 4,615'Cisco 5,005'Spraberry 7,888'Dean 9,175'Wolfcamp 9,435'Pennsylvanian
42-317-41226 COX 9-12 UNIT 2 · ENDEAVOR ENERGY RESOURCES L.P.
0.0 mi
Santa Rosa 1,000'Yates 1,250'Queen 1,300'Grayburg 4,395'San Andres 4,615'Cisco 5,260'Spraberry 7,888'Dean 9,178'Wolfcamp 9,435'Pennsylvanian
42-317-46681 CAMPBELL EAST 9-321 E · DIAMONDBACK E&P LLC
0.3 mi
San Andres 5,563'Spraberry 7,895'Cisco Queen Santa Rosa Grayburg Yates Dean Pennsylvanian Wolfcamp
42-317-46680 CAMPBELL EAST 9-321 D · DIAMONDBACK E&P LLC
0.3 mi
Glorieta 5,565'Clear Fork 6,518'Spraberry 7,897'Dean 9,197'Wolfcamp 9,488'Santa Rosa Queen Grayburg Yates San Andres
42-317-46679 CAMPBELL EAST 9-321 C · DIAMONDBACK E&P LLC
0.3 mi
Glorieta 5,555'Clear Fork 6,523'Spraberry 7,910'Dean 9,197'Wolfcamp 9,448'Santa Rosa Queen Grayburg Yates San Andres
42-317-46673 CAMPBELL EAST 9-321 A · DIAMONDBACK E&P LLC
0.3 mi
San Andres 5,556'Clear Fork 6,540'Spraberry 7,948'Queen Santa Rosa Grayburg Yates Cisco Dean Wolfcamp

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
10,050–16,950 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,892 ft1,565 sx
9.625"8,890 ft960 sx
5.5"17,077 ft2,220 sx

Permit History (1)

Applications (1)

#835420 A ENDEAVOR ENERGY RESOURCES L.P.
received 2018-01-19

Records & Logs

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

W-2/G-1 2019-03-12 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 32.322432
Lon -102.022840

Well Details

Well Number
271
Max Depth
11,000 ft
Drill Type
Horizontal
County
MARTIN
District
8
Completed
2018-11-08

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
4,970