42-201-31172

TEMP ABANDONED

TOMBALL GAS UNIT 9

HARRIS County · District 3 · TANDEM ENERGY CORPORATION · TOMBALL (WILCOX 8400)

Permits

Max Depth

10,000 ft

First Permit

1981-03-04

Latest Activity

1992-03-31

Lifespan

11 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

1995-01-16

Shut-In

—

Plugged

—

P-5 Org Status: X

EWA / Permit operator mismatch

Scheduling: TANDEM ENERGY CORPORATION ≠ Permit: EXXON CORP.

Resolved via: scheduling → TANDEM ENERGY CORPORATION

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

EXXON CORP. 1993-1996→ MERENCO 1996-1996→ TANDEM ENERGY CORPORATION 1997-2001

Lease Production

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

Formation Tops (1) Elevation 179 ft (DF)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
TOMBALL (WILCOX 8400)	—	—

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)

Interval	Type
8,611–8,641 ft	Perforated
8,662–8,674 ft	Perforated
8,674–8,862 ft	Perforated
8,862–8,868 ft	Perforated

Casing (3)

Size	Set Depth	Cement
10.75"	1,938 ft	1,735 sx
7.625"	6,775 ft	590 sx
2.375"	8,610 ft	—

Permit History (2)

#397951 Recompletion Final Completion

TOMBALL GAS UNIT 9 · 8,800 ft

1992-03-31

Spud 1993-06-28

#110650 Drill Final Completion

TOMBALL GAS UNIT # 9 · 10,000 ft

1981-03-04

Spud 1982-03-18

Applications (2)

#397951 A EXXON CORP.

received 1992-03-31

#110650 A EXXON CORP.

received 1981-03-04

Records & Logs

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

W-2/G-1 2014-08-20

W-2/G-1 1995-03-30

W-2/G-1 1993-08-03 log on file

W-2/G-1 1993-08-12

W-2/G-1 1982-07-19

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 HARRIS County.

Well Details

Well Number: 15
Max Depth: 10,000 ft
Drill Type: Vertical
County: HARRIS
District: 3
Operator: TANDEM ENERGY CORPORATION
Completed: 1995-01-16

Operator

Name: TANDEM ENGY CORP
Location: HOUSTON
P-5 Status: Active (filed 2025-07-10)
Cum Oil (all leases): 3,731,968 bbl
Cum Gas (all leases): 10,685,287 mcf
Activities: OPRS/G, OPRS/O
Total Permits: 138