42-467-30769

THOMPSON, I.W. 401

VAN ZANDT County · District 5 · UNION OIL COMPANY OF CALIFORNIA

Permits

Max Depth

2,425 ft

First Permit

1989-12-04

Latest Activity

2002-10-01

Lifespan

13 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

Operator History

Chain of Custody

UNION OIL COMPANY OF CALIFORNIA 1993-2020→ BASA RESOURCES, INC. 2021-2026

Lease Production

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

Formation Tops (5) Elevation 487 ft

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
NAVARRO	1,100 ft	-613 ft
PECAN GAP	1,600 ft	-1,113 ft
AUSITN CHALK	2,175 ft	-1,688 ft
AUSSTIN CHALK	2,175 ft	-1,688 ft
AUSTIN CHALK	2,175 ft	-1,688 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 (7)

Interval	Type
1,159–1,178 ft	Perforated
1,196–1,202 ft	Perforated
1,196–1,220 ft	Perforated
1,210–1,220 ft	Perforated
1,767–1,784 ft	Perforated
1,788–1,804 ft	Perforated
2,181–2,330 ft	Perforated

Casing (2)

Size	Set Depth	Cement
7.625"	404 ft	162 sx
4.5"	2,410 ft	350 sx

Permit History (3)

#524234 Recompletion

THOMPSON, I.W. 401 · 2,100 ft

2002-10-01

#522561 Recompletion Final Completion

THOMPSON, I. W. 401 · 2,425 ft

2002-08-06

Spud 2002-08-13

#367221 Drill Final Completion

THOMPSON, I. W. 401 · 2,420 ft

1989-12-04

Spud 1989-12-08

Applications (3)

#524234 A UNION OIL COMPANY OF CALIFORNIA

received 2002-10-01

#522561 A UNION OIL COMPANY OF CALIFORNIA

received 2002-08-06

#367221 A UNION EXPL. PARTNERS, LTD.

received 1989-12-04

Records & Logs

5 completion filings on record · 3 with log images at RRC.

W-2/G-1 2002-12-27 log on file

W-2/G-1 2002-08-20 log on file

W-2/G-1 2002-09-04

W-2/G-1 1990-02-26 log on file

W-2/G-1 1990-06-07

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 VAN ZANDT County.

Well Details

Well Number: 16
Max Depth: 2,425 ft
Drill Type: Vertical
County: VAN ZANDT
District: 5
Operator: UNION OIL COMPANY OF CALIFORNIA

Operator

Name: UNION OIL CO OF CALIFORNIA
Location: MIDLAND
P-5 Status: Inactive (filed 2020-11-18)
Cum Oil (all leases): 78,952,713 bbl
Cum Gas (all leases): 197,557,199 mcf
Total Permits: 2,336