42-467-30857

Final Completion

YORK W. A. 13

VAN ZANDT County · District 5 · UNION OIL COMPANY OF CALIFORNIA · VAN (SHALLOW)

Permits

Max Depth

2,900 ft

First Permit

1991-12-23

Latest Activity

2005-03-28

Lifespan

13 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2005-04-03

Shut-In

—

Plugged

2017-12-12

EWA / Production operator mismatch

Scheduling: UNION OIL COMPANY OF CALIFORNIA ≠ Production: BASA RESOURCES, INC. (reported 2026-04)

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 1993-2015→ 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 (6) Elevation 472 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
NACATOCH	1,195 ft	-723 ft
NACOTOCH	1,205 ft	-733 ft
PECAN GAP	1,700 ft	-1,228 ft
PECAN GAP	1,780 ft	-1,308 ft
AUSTIN CHALK	2,100 ft	-1,628 ft
AUSTIN CHALK	2,117 ft	-1,645 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)

Interval	Type
1,204–1,225 ft	Perforated
1,240–1,246 ft	Perforated
1,270–1,280 ft	Perforated
3,117–2,328 ft	Perforated

Casing (2)

Size	Set Depth	Cement
7.625"	458 ft	175 sx
4.5"	2,423 ft	300 sx

Permit History (2)

#559001 Recompletion Final Completion

YORK, W. A. 13 · 2,430 ft

2005-03-28

Spud 2005-04-01

#395360 Drill Final Completion

YORK, W. A. 13 · 2,900 ft

1991-12-23

Spud 1992-02-11

Applications (2)

#559001 A UNION OIL COMPANY OF CALIFORNIA

received 2005-03-14

#395360 A UNOCAL EXPLORATION CORPORATION

received 1991-12-23

Records & Logs

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

W-2/G-1 2005-04-22 log on file

W-2/G-1 2005-05-27

W-2/G-1 1992-03-26 log on file

W-2/G-1 1992-04-02

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: 14
Max Depth: 2,900 ft
Drill Type: Vertical
County: VAN ZANDT
District: 5
Operator: UNION OIL COMPANY OF CALIFORNIA
Completed: 2005-04-03

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