← Wells

42-157-31768

Final Completion

CORNERSTONE UNIT

FORT BEND County · District 3 · GAITHER PETROLEUM CORPORATION · CORNERSTONE (CLODINE)

Permits

1

Max Depth

8,300 ft

First Permit

1987-12-02

Latest Activity

1987-12-02

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1988-01-13

Shut-In

—

Plugged

2006-10-11

!

EWA / Permit operator mismatch

Scheduling: GAITHER PETROLEUM CORPORATION ≠ Permit: IRISH OIL & GAS CO.

Resolved via: scheduling → GAITHER PETROLEUM CORPORATION

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2007-04

Operator History

Chain of Custody

MCKENZIE PRODUCTION COMPANY 1993-1993→ BEJO CORPORATION 1993-1994→ KATSCO ENERGY, INC. 1994-1995→ WESTERN GULF OIL & GAS INC. 1995-1996→ WOOD ENERGY CORPORATION 1996-1997→ GAITHER PETROLEUM CORPORATION 1997-2005

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 (4) Elevation 112 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
UPPER FRIO (Frio)4,100 ft-3,988 ft
LOWER FRIO (Frio)6,000 ft-5,888 ft
VICKSBURG 6,450 ft-6,338 ft
YEGUA 7,400 ft-7,288 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
7,572–7,581 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"1,950 ft845 sx
4.5"7,821 ft320 sx

Permit History (1)

#339243 Drill Final Completion

CORNERSTONE "B" · 8,300 ft

1987-12-02

Spud 1987-12-16

Applications (1)

#339243 A IRISH OIL & GAS CO.
received 1987-11-23

Records & Logs

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

W-2/G-1 1988-02-04 log on file
W-2/G-1 1988-02-19
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 FORT BEND County.

Well Details

Well Number
4
Max Depth
8,300 ft
Drill Type
Vertical
County
FORT BEND
District
3
Operator
GAITHER PETROLEUM CORPORATION
Completed
1988-01-13

Operator

Location
KATY
P-5 Status
Active (filed 2026-01-30)
Cum Oil (all leases)
7,069,489 bbl
Cum Gas (all leases)
20,922,811 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits
117