42-473-30402

Final Completion

KATY GFU 1

WALLER County · District 3 · EXXON MOBIL CORPORATION · KATY (FIRST WILCOX)

Permits

Max Depth

11,000 ft

First Permit

1983-08-24

Latest Activity

2002-08-23

Lifespan

19 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1984-02-16

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: EXXON MOBIL CORPORATION ≠ 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 2000-2006→ FOREST OIL CORPORATION 2006-2012→ 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.

Formation Tops (5) Elevation 177 ft

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
COCKFIELD	6,410 ft	-6,233 ft
COCK MOUNTAIN	7,485 ft	-7,308 ft
TOP WILCOX (Wilcox)	9,940 ft	-9,763 ft
WILCOX	9,997 ft	-9,820 ft
WILCOX 10,200 (Wilcox)	10,176 ft	-9,999 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 (3)

Interval	Type
9,995–10,015 ft	Perforated
10,034–10,044 ft	Perforated
10,186–10,206 ft	Perforated

Casing (4)

Size	Set Depth	Cement
16"	79 ft	—
10.75"	2,534 ft	1,475 sx
7.625"	7,999 ft	485 sx
7.625"	7,999 ft	—

Permit History (2)

#522925 Recompletion Final Completion

KATY GAS FIELD UNIT 1 · 10,400 ft

2002-08-23

Spud 2003-01-02

#207355 Drill Final Completion

KATY GAS FIELD UNIT NO. 1 · 11,000 ft

1983-08-24

Applications (2)

#522925 A EXXON MOBIL CORPORATION

received 2002-08-19

#207355 A EXXON CORP.

received 1983-09-21

Records & Logs

4 completion filings on record.

W-2/G-1 2003-05-19

W-2/G-1 2003-05-27

W-2/G-1 1984-03-30

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: W 55
Max Depth: 11,000 ft
Drill Type: Vertical
County: WALLER
District: 3
Operator: EXXON MOBIL CORPORATION
Completed: 1984-02-16

Operator

Name: EXXON MOBIL CORP
Location: SPRING
P-5 Status: Delinquent (filed 2025-04-16)
Cum Oil (all leases): 155,164,556 bbl
Cum Gas (all leases): 2,032,561,175 mcf
Activities: CSGD/G, CSGD/P, G/PUR, GTHS/C, GTHS/G
Total Permits: 1,223