42-317-40540

SHUT IN Horizontal

NAIL RANCH 1-12SL UNIT 2

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

Permits

2

Max Depth

12,500 ft

First Permit

2016-09-02

Latest Activity

2016-09-02

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2017-05-12

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

2017-05

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 2,769 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 1,000 ft+1,769 ft
YATES 2,200 ft+569 ft
QUEEN 4,000 ft-1,231 ft
GRAYBURG 4,100 ft-1,331 ft
SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres)4,280 ft-1,511 ft
CISCO 5,500 ft-2,731 ft
SPRABERRY 8,118 ft-5,349 ft
DEAN 8,918 ft-6,149 ft
WOLFCAMP 9,149 ft-6,380 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 ↗

Perforations (1)

IntervalType
9,625–19,946 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,622 ft1,502 sx
9.625"8,615 ft965 sx
5.5"20,066 ft3,245 sx

Permit History (2)

Applications (2)

#818104 A ENDEAVOR ENERGY RESOURCES L.P.
received 2016-10-24
#818104 A ENDEAVOR ENERGY RESOURCES L.P.
received 2016-08-29

Records & Logs

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

W-2/G-1 2018-12-17 log on file
W-2/G-1 2017-07-14 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.

No GPS coordinates yet

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in MARTIN County.

Well Details

Well Number
8UA
Max Depth
12,500 ft
Drill Type
Horizontal
County
MARTIN
District
8
Completed
2017-05-12

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