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42-467-30836

PRODUCING

SHIVERS J. R. 12

VAN ZANDT County · District 5 · BASA RESOURCES INC. · VAN (AUSTIN CHALK)

Permits

1

Max Depth

2,900 ft

First Permit

1991-07-29

Latest Activity

1991-07-29

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

1991-09-16

Shut-In

—

Plugged

—

P-5 Org Status: Active

!

EWA / Permit operator mismatch

Scheduling: BASA RESOURCES INC. ≠ Permit: UNOCAL EXPLORATION CORPORATION

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 1993-2012→ 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.

Oil
production & DCA →

Formation Tops (3) Elevation 476 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
NACATOCH 1,058 ft-582 ft
PECAN GAP 1,654 ft-1,178 ft
AUSTIN CHALK 2,118 ft-1,642 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 (1)

IntervalType
2,118–2,308 ftPerforated

Casing (2)

SizeSet DepthCement
7.625"411 ft167 sx
4.5"2,396 ft290 sx

Permit History (1)

#390375 Drill Final Completion

SHIVERS, J.R. 12 · 2,900 ft

1991-07-29

Spud 1991-09-03

Applications (1)

#390375 A UNOCAL EXPLORATION CORPORATION
received 1991-07-29

Records & Logs

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

W-2/G-1 1991-10-16 log on file
W-2/G-1 1992-02-06
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
13
Max Depth
2,900 ft
Drill Type
Vertical
County
VAN ZANDT
District
5
Operator
BASA RESOURCES INC.
Completed
1991-09-16

Operator

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