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42-079-32715

SHUT IN

MASTEN F. O. D

COCHRAN County · District 8 · EXTEX OPERATING COMPANY · LEVELLAND

Permits

1

Max Depth

5,100 ft

First Permit

1993-05-17

Latest Activity

1993-05-17

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

1993-08-08

Shut-In

—

Plugged

—

P-5 Org Status: Active

!

EWA / Permit operator mismatch

Scheduling: EXTEX OPERATING COMPANY ≠ Permit: PARKER & PARSLEY, WPI AGENT

Resolved via: production → EXTEX OPERATING COMPANY

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

H-1 Injection Active UIC #000079160 permitted 1993-07-08

Permitted Volume

300 bbl/d

Max Pressure

2,400 psi

Injection Interval

4,800–5,200 ft

Injected (12mo)

—

Monthly injected volume (bbl, from H-10 filings through 2026-02-01)

Operator History

Chain of Custody

WALSH PETROLEUM, INC. 1993-2022→ PARKER & PARSLEY, WPI AGENT 1993-1997→ EXTEX OPERATING COMPANY 2023-2026

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Oil
production & DCA →

Formation Tops (1) Elevation 3,827 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SAN ANDRES 4,876 ft-1,049 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
4,876–4,985 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"420 ft275 sx
4.5"4,996 ft1,500 sx

Permit History (1)

#411565 Drill Final Completion

MASTEN, F. O. "D" · 5,100 ft

1993-05-17

Spud 1993-07-18

Applications (1)

#411565 A PARKER & PARSLEY, WPI AGENT
received 1993-05-10

Records & Logs

2 completion filings on record · 1 with log images at RRC.

W-2/G-1 1993-08-12 log on file
W-2/G-1 1993-08-18
Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images 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 COCHRAN County.

Well Details

Well Number
11
Max Depth
5,100 ft
Drill Type
Vertical
County
COCHRAN
District
8
Operator
EXTEX OPERATING COMPANY
Completed
1993-08-08

Operator

Location
HOUSTON
P-5 Status
Active (filed 2026-01-07)
Cum Oil (all leases)
5,887,486 bbl
Cum Gas (all leases)
10,031,045 mcf
Activities
OPRS/G, OPRS/O
Total Permits
117