42-029-36348

Final Completion

SHADROCK H. B.

BEXAR County · District 1 · PETROSAURUS INC. · FAIRFIELD

RRC Lookup

Permits

Max Depth

1,650 ft

First Permit

1985-03-11

Latest Activity

1985-03-11

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1985-06-12

Shut-In

—

Plugged

2024-04-22

EWA / Production operator mismatch

Scheduling: PETROSAURUS INC. ≠ Production: CIVRON PETROLEUM RES., LLC (reported 2017-10)

EWA / Permit operator mismatch

Scheduling: PETROSAURUS INC. ≠ Permit: COLSTAR PETROLEUM, CORP.

Resolved via: scheduling → PETROSAURUS INC.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-03

Operator History

Chain of Custody

CALK, ROGER D. 1993-2004→ UNDERBRINK OIL 2004-2009→ CIVRON PETROLEUM RES., LLC 2010-2017

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 (1)

#269051 Drill Final Completion

SHADROCK, HOWARD B. · 1,650 ft

1985-03-11

Permit Applications (1)

#269051 A COLSTAR PETROLEUM, CORP.

received 1985-03-11

Well Details

Well Number: 1
Max Depth: 1,650 ft
Drill Type: Vertical
County: BEXAR
District: 1
Operator: PETROSAURUS INC.
Completed: 1985-06-12

Operator

Name: PETROSAURUS, INC.
Location: SOMERSET
P-5 Status: Y (filed 2025-05-02)
Cum Oil (all leases): 172,302 bbl
Cum Gas (all leases): — mcf
Activities: GTHS/O, OPRS/O

External Links

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