42-163-32860

HorizontalSidetrack

WEST SHINER RANCH

FRIO County · District 1 · FIRST ROCK INC. · PEARSALL (AUSTIN CHALK)

RRC Lookup

Permits

Max Depth

8,700 ft

First Permit

1990-09-24

Latest Activity

1991-05-20

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1991-06-20

Shut-In

—

Plugged

2023-08-29

EWA / Permit operator mismatch

Scheduling: FIRST ROCK INC. ≠ Permit: SANCHEZ-O'BRIEN OIL & GAS CORP.

Resolved via: scheduling → FIRST ROCK INC.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-03

Operator History

Chain of Custody

SANCHEZ-O'BRIEN OIL & GAS CORP. 1993-1994→ FIRST ROCK, INC. 1994-2020

Lease Production

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

Oil

production & DCA →

Permit History (3)

#388138 Drill

WEST SHINER RANCH · 8,700 ft

1991-05-20

#388138 Drill Final Completion

WEST SHINER RANCH · 8,700 ft

1991-05-20

Spud 1991-05-27

#378332 Drill Final Completion

WEST SHINER RANCH · 8,700 ft

1990-09-24

Spud 1990-10-14

Permit Applications (3)

#388138 A SANCHEZ-O'BRIEN OIL & GAS CORP.

received 1991-11-15

#388138 A SANCHEZ-O'BRIEN OIL & GAS CORP.

received 1991-05-20

#378332 A SANCHEZ-O'BRIEN / TEXACO INC.

received 1990-09-24

Well Details

Well Number: 2
Max Depth: 8,700 ft
Drill Type: Horizontal, Sidetrack
County: FRIO
District: 1
Operator: FIRST ROCK INC.
Completed: 1991-06-20

Operator

Name: FIRST ROCK, INC
Location: CORPUS CHRS, TI
P-5 Status: Y (filed 2026-02-04)
Cum Oil (all leases): 1,169,498 bbl
Cum Gas (all leases): 823,441 mcf
Activities: CSGD/P, G/PUR, OPRS/O
Total Permits: 68

External Links

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