42-473-30404

Final Completion

KATY GFU 1

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

Permits

Max Depth

11,020 ft

First Permit

1983-09-06

Latest Activity

2003-01-16

Lifespan

19 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1984-08-03

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 176 ft (DF)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
TOP COCKFIELD	6,148 ft	-5,972 ft
TOP WILCOX (Wilcox)	9,981 ft	-9,805 ft
WILCOX	10,200 ft	-10,024 ft
WILCOX 10,200 (Wilcox)	10,200 ft	-10,024 ft
WILCOX 10200 (Wilcox)	10,200 ft	-10,024 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 (2)

Interval	Type
10,050–10,064 ft	Perforated
10,224–10,244 ft	Perforated

Casing (3)

Size	Set Depth	Cement
16"	76 ft	—
10.75"	2,474 ft	1,425 sx
7.625"	7,971 ft	650 sx

Permit History (2)

#527394 Recompletion Final Completion

KGCU 1 · 10,518 ft

2003-01-16

Spud 2003-03-04

#209890 Drill Final Completion

KATY GAS FIELD UNIT NO. 1 · 11,020 ft

1983-09-06

Spud 1984-04-20

Applications (2)

#527394 A EXXON MOBIL CORPORATION

received 2003-01-16

#209890 A EXXON CORP.

received 1983-08-25

Records & Logs

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

W-2/G-1 2003-10-13

W-2/G-1 2003-08-07 log on file

W-2/G-1 2003-09-04

W-2/G-1 1984-09-21

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 57
Max Depth: 11,020 ft
Drill Type: Vertical
County: WALLER
District: 3
Operator: EXXON MOBIL CORPORATION
Completed: 1984-08-03

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