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42-163-32620

NO PRODUCTION Horizontal

GOOD

FRIO County · District 1 · SHELTON RESOURCES LLC · PEARSALL (AUSTIN CHALK)

Permits

1

Max Depth

8,000 ft

First Permit

1990-01-12

Latest Activity

1990-01-12

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

1990-02-27

Shut-In

—

Plugged

—

P-5 Org Status: Active

!

EWA / Production operator mismatch

Scheduling: SHELTON RESOURCES LLC ≠ Production: REO OPERATING LLC (reported 2024-05)

!

EWA / Permit operator mismatch

Scheduling: SHELTON RESOURCES LLC ≠ Permit: CENTRAL TEXAS OIL & GAS

Resolved via: scheduling → SHELTON RESOURCES LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

DALE OPERATING COMPANY 1993-1994→ EXPRESS OIL AND GAS 1994-2003→ CARRIZO EXPLORATION, INC. 2004-2011→ VERMILLION PRODUCTION, INC. 2011-2013→ L & J EXPLORATION, LLC 2013-2014→ TERRAFINA ENERGY, LLC 2014-2020→ RESOURCE EXPL & PROD, INC. 2021-2024→ REO OPERATING LLC 2024-2024

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 (4)

CSV
FormationTop Depth (MD)
OLMOS SAND (Olmos)4,997 ft
SAN MIGUEL SAND (San Miguel)5,610 ft
ANACACHO 6,500 ft
AUSTIN CHALK 6,790 ft

As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. View filings & logs at RRC ↗

Perforations (1)

IntervalType
6,790–6,815 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"820 ft340 sx
5.5"6,500 ft335 sx

Permit History (1)

#368556 Drill Final Completion

GOOD · 8,000 ft

1990-01-12

Spud 1990-01-19

Applications (1)

#368556 A CENTRAL TEXAS OIL & GAS
received 1990-01-12

Records & Logs

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

W-2/G-1 1990-03-14 log on file
W-2/G-1 1990-03-30
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 FRIO County.

Well Details

Well Number
1
Max Depth
8,000 ft
Drill Type
Horizontal
County
FRIO
District
1
Operator
SHELTON RESOURCES LLC
Completed
1990-02-27

Operator

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