← Wells

42-473-30048

Final Completion

KATY GFU 1

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

Permits

1

Max Depth

10,821 ft

First Permit

2003-01-27

Latest Activity

2003-01-27

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1975-07-16

Shut-In

—

Plugged

—

!

EWA / Production operator mismatch

Scheduling: EXXON MOBIL CORPORATION ≠ Production: HILCORP ENERGY COMPANY (reported 2026-01)

Resolved via: scheduling → EXXON MOBIL CORPORATION

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.

Gas
production & DCA →
Gas
production & DCA →

Formation Tops (5) Elevation 168 ft (DF)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
VICKSBURG 4,950 ft-4,782 ft
WHITTSETT5,160 ft-4,992 ft
MCELROY5,330 ft-5,162 ft
COCKFIELD6,202 ft-6,034 ft
WILCOX 9,983 ft-9,815 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)

IntervalType
10,220–10,235 ftPerforated
10,220–10,240 ftPerforated

Casing (3)

SizeSet DepthCement
10.75"2,545 ft1,400 sx
7.625"8,196 ft865 sx
2.875"9,960 ft—

Permit History (1)

#527621 Recompletion Final Completion

KATY GAS FIELD UNIT 1 · 10,821 ft

2003-01-27

Spud 2003-06-20

Applications (1)

#527621 A EXXON MOBIL CORPORATION
received 2003-01-23

Records & Logs

4 completion filings on record.

W-2/G-1 2021-12-30
W-2/G-1 2003-10-10
W-2/G-1 2003-10-31
W-2/G-1 1975-11-04
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 36
Max Depth
10,821 ft
Drill Type
Vertical
County
WALLER
District
3
Operator
EXXON MOBIL CORPORATION
Completed
1975-07-16

Operator

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