42-467-30911

PRODUCING

THOMPSON I. W. 401

VAN ZANDT County · District 5 · BASA RESOURCES INC. · VAN (PECAN GAP)

Permits

Max Depth

3,000 ft

First Permit

1994-07-19

Latest Activity

2000-06-07

Lifespan

6 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

2000-05-22

Shut-In

—

Plugged

—

P-5 Org Status: Active

EWA / Permit operator mismatch

Scheduling: BASA RESOURCES INC. ≠ Permit: UNION OIL COMPANY OF CALIFORNIA

Resolved via: production → BASA RESOURCES, INC.

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 1993-2016→ 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 (4) Elevation 502 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
NACATOCH	1,201 ft	-699 ft
PECAN GAP	1,620 ft	-1,118 ft
PECAN GAP	1,630 ft	-1,128 ft
AUSTIN CHALK	2,110 ft	-1,608 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 (3)

Interval	Type
1,599–1,601 ft	Perforated
1,614–1,624 ft	Perforated
2,108–2,266 ft	Perforated

Casing (2)

Size	Set Depth	Cement
7.625"	446 ft	142 sx
4.5"	2,400 ft	—

Permit History (2)

#495860 Recompletion Final Completion

THOMPSON, I. W. 401 · 2,100 ft

2000-06-07

Spud 2000-06-14

#426035 Drill Final Completion

THOMPSON, I.W. 401 · 3,000 ft

1994-07-19

Spud 1994-08-23

Applications (2)

#495860 A UNION OIL COMPANY OF CALIFORNIA

received 2000-06-06

#426035 A UNION OIL COMPANY OF CALIFORNIA

received 1994-07-19

Records & Logs

5 completion filings on record · 2 with log images at RRC.

W-2/G-1 2000-05-22 log on file

W-2/G-1 2000-08-09

W-2/G-1 2000-07-25

W-2/G-1 1994-10-14 log on file

W-2/G-1 1994-12-12

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: 26
Max Depth: 3,000 ft
Drill Type: Vertical
County: VAN ZANDT
District: 5
Operator: BASA RESOURCES INC.
Completed: 2000-05-22

Operator

Name: BASA RES, INC
Location: DALLAS
P-5 Status: Active (filed 2026-02-12)
Cum Oil (all leases): 79,953,285 bbl
Cum Gas (all leases): 41,318,604 mcf
Activities: CSGD/G, CSGD/P, G/PUR, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits: 471