42-163-33100

Final Completion Horizontal

SHANKLE

FRIO County · District 1 · FRIO OIL & GAS LTD. · PEARSALL (AUSTIN CHALK)

Permits

1

Max Depth

7,000 ft

First Permit

1991-09-05

Latest Activity

1991-09-05

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

Shut-In

Plugged

!

EWA / Permit operator mismatch

Scheduling: FRIO OIL & GAS LTD. ≠ Permit: CENTRAL TEXAS OIL & GAS

Resolved via: productionFRIO OIL & GAS, LTD.

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2026-07

Lease Production

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

Formation Tops (3) Elevation 480 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
OLMOS 5,035 ft-4,555 ft
ANACACHO 6,476 ft-5,996 ft
AUSTIN CHALK 6,635 ft-6,155 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
6,635–6,715 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"702 ft350 sx
5.5"6,476 ft740 sx

Permit History (1)

Applications (1)

#391640 A CENTRAL TEXAS OIL & GAS
received 1991-09-05

Records & Logs

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

W-2/G-1 1991-10-09 log on file
W-2/G-1 1991-11-13
W-2/G-1 1991-10-31

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 FRIO County.

Well Details

Well Number
01
Max Depth
7,000 ft
Drill Type
Horizontal
County
FRIO
District
1

Operator

Location
AUSTIN
P-5 Status
Active (filed 2026-05-06)
Cum Oil (all leases)
65,914 bbl
Cum Gas (all leases)
— mcf
Activities
OPRS/O