42-317-36635

Final Completion

COX '12A'

MARTIN County · District 8 · ENDEAVOR ENERGY RESOURCES L.P.

Permits

2

Max Depth

12,000 ft

First Permit

2000-05-18

Latest Activity

2011-02-14

Lifespan

11 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

Shut-In

Plugged

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2000-01

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 (2) Elevation 2,829 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SPRABERRY (TREND AREA) (Spraberry)7,775 ft-4,946 ft
STRAWN 10,800 ft-7,971 ft

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
8,651–11,070 ftPerforated

Casing (3)

SizeSet DepthCement
12.75"347 ft430 sx
8.625"5,128 ft575 sx
5.5"11,193 ft1,385 sx

Permit History (2)

Applications (2)

#710052 A ENDEAVOR ENERGY RESOURCES L.P.
received 2011-02-10
#494225 A STEPHENS, AUTRY C.
received 2000-04-18

Records & Logs

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

W-2/G-1 2011-07-18 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
1
Max Depth
12,000 ft
Drill Type
Vertical
County
MARTIN
District
8

Operator

Location
MIDLAND
P-5 Status
Active (filed 2026-06-12)
Cum Oil (all leases)
507,205,629 bbl
Cum Gas (all leases)
70,424,421 mcf
Total Permits
6,190