42-201-00338

Final Completion

TOMBALL GAS UNIT 1

HARRIS County · District 3 · EXXON CORP.

Permits

5

Max Depth

5,566 ft

First Permit

1978-02-01

Latest Activity

1987-09-09

Lifespan

10 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

Shut-In

Plugged

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2026-07

Lease Production

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

Formation Tops (2) Elevation 186 ft (DF)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
JACKSON 4400 (Jackson)4,378 ft-4,192 ft
KOBS5,327 ft-5,141 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 (4)

IntervalType
3,325–3,337 ftPerforated
3,400–3,405 ftPerforated
4,026–4,030 ftPerforated
5,475–5,480 ftPerforated

Casing (7)

SizeSet DepthCement
10.75"949 ft360 sx
10.75"949 ft360 sx
2.875"3,314 ft
2.875"3,849 ft
2.875"4,272 ft
7"5,558 ft200 sx
7"5,558 ft200 sx

Records & Logs

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

W-2/G-1 1987-12-10 log on file
W-2/G-1 1988-01-12
W-2/G-1 1983-08-30
W-2/G-1 1981-05-02
W-2/G-1 1979-04-20
W-2/G-1 1984-01-12

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 HARRIS County.

Well Details

Well Number
14
Max Depth
5,566 ft
Drill Type
Vertical
County
HARRIS
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