42-383-33409

Final Completion

MCMASTER "C"

REAGAN County · District 7 · COX, JOHN L.

Permits

2

Max Depth

8,500 ft

First Permit

1983-08-29

Latest Activity

1985-04-02

Lifespan

2 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

Shut-In

Plugged

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

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 (3) Elevation 2,674 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
CRETACEOUS400 ft+2,274 ft
SPRABERRY 6,730 ft-4,056 ft
DEAN 7,600 ft-4,926 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 (2)

IntervalType
6,738–7,296 ftPerforated
7,601–7,997 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"446 ft450 sx
4.5"8,050 ft1,400 sx

Permit History (2)

Applications (2)

#271559 A COX, JOHN L.
received 1985-04-01
#208151 A COX, JOHN L.
received 1983-08-22

Records & Logs

2 completion filings on record.

W-2/G-1 1985-06-28
W-2/G-1 1985-07-11
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 REAGAN County.

Well Details

Well Number
2
Max Depth
8,500 ft
Drill Type
Vertical
County
REAGAN
District
7
Operator
COX, JOHN L.

Operator

Location
MIDLAND
P-5 Status
Inactive (filed 2003-03-21)
Cum Oil (all leases)
15,795,687 bbl
Cum Gas (all leases)
2,577,420 mcf
Total Permits
1,123