← Wells

42-079-31805

Final Completion

MASTEN F. O H

COCHRAN County · District 8 · EXTEX OPERATING COMPANY · LEVELLAND

Permits

1

Max Depth

5,100 ft

First Permit

1983-09-12

Latest Activity

1983-09-12

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1983-11-26

Shut-In

—

Plugged

2018-10-03

!

EWA / Permit operator mismatch

Scheduling: EXTEX OPERATING COMPANY ≠ Permit: TEXAS CITY REFG. INC.

Resolved via: production → EXTEX OPERATING COMPANY

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

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 3,803 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SAN ANDRES ZONE I (San Andres)4,948 ft-1,145 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
4,964–5,031 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"430 ft250 sx
5.5"5,050 ft1,300 sx

Permit History (1)

#211215 Drill Final Completion

MASTEN, F. O. "H" · 5,100 ft

1983-09-12

Spud 1983-11-12

Applications (1)

#211215 A TEXAS CITY REFG. INC.
received 1983-08-30

Records & Logs

1 completion filing on record.

W-2/G-1 1983-12-12
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
10
Max Depth
5,100 ft
Drill Type
Vertical
County
COCHRAN
District
8
Operator
EXTEX OPERATING COMPANY
Completed
1983-11-26

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