← Wells

42-473-30055

Final Completion

KATY GFU 1

WALLER County · District 3 · EXXON CORP. · KATY (FIRST WILCOX)

Permits

1

Max Depth

10,484 ft

First Permit

1984-03-02

Latest Activity

1984-03-02

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

!

EWA / Production operator mismatch

Scheduling: EXXON CORP. ≠ Production: HILCORP ENERGY COMPANY (reported 2026-04)

Resolved via: production → HILCORP ENERGY COMPANY

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

EXXON CORP. 1993-2000→ EXXON MOBIL CORPORATION 2000-2005→ FOREST OIL CORPORATION 2007-2012→ HILCORP ENERGY COMPANY 2013-2026

Lease Production

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

Gas
production & DCA →

Formation Tops (3) Elevation 133 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
JACKSON 5,090 ft-4,957 ft
COCKFIELD6,200 ft-6,067 ft
WILCOX 9,990 ft-9,857 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 (5)

IntervalType
10,156–10,166 ftPerforated
10,188–10,218 ftPerforated
10,242–10,250 ftPerforated
10,264–10,289 ftPerforated
10,440–10,445 ftPerforated

Casing (3)

SizeSet DepthCement
10.75"2,448 ft1,300 sx
7.625"8,184 ft700 sx
2.875"9,824 ft—

Permit History (1)

#231096 Recompletion Final Completion

KATY GAS FIELD UNIT 1 · 10,484 ft

1984-03-02

Applications (1)

#231096 A EXXON CORP.
received 1984-03-01

Records & Logs

4 completion filings on record.

W-2/G-1 2009-07-01
W-2/G-1 1984-07-23
W-2/G-1 1984-07-23
W-2/G-1 1976-01-15
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 WALLER County.

Well Details

Well Number
W40
Max Depth
10,484 ft
Drill Type
Vertical
County
WALLER
District
3
Operator
EXXON CORP.

Operator

Location
HOUSTON
P-5 Status
S (filed 1999-03-15)
Cum Oil (all leases)
215,968,885 bbl
Cum Gas (all leases)
2,000,503,710 mcf
Activities
OPRS/O
Total Permits
19,549