42-029-33904

Final Completion

EPSTEIN & BALBOA PARTNERSHIP

BEXAR County · District 1 · CALK ROGER D. · FAIRFIELD

RRC Lookup

Permits

Max Depth

1,300 ft

First Permit

1983-08-29

Latest Activity

1983-08-29

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1984-02-01

Shut-In

—

Plugged

—

EWA / Permit operator mismatch

Scheduling: CALK ROGER D. ≠ Permit: SILVER FALLS PETROLEUM CORP.

Resolved via: production → CALK, ROGER D.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-03

Operator History

Chain of Custody

CALK, ROGER D. 1993-2025→ GINCO OPERATING CO. 1993-1995→ GREAT PLAINS RESOURCES, INC. 1996-1996

Lease Production

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

Permit History (1)

#208522 Drill Final Completion

EPSTEIN BALBOA PARTNERSHIP · 1,300 ft

1983-08-29

Permit Applications (1)

#208522 A SILVER FALLS PETROLEUM CORP.

received 1983-08-25

Well Details

Well Number: 8
Max Depth: 1,300 ft
Drill Type: Vertical
County: BEXAR
District: 1
Operator: CALK ROGER D.
Completed: 1984-02-01

Operator

Name: CALK, ROGER D.
Location: LYTLE
P-5 Status: Y (filed 2025-04-04)
Cum Oil (all leases): 222,564 bbl
Cum Gas (all leases): — mcf
Activities: OPRS/O

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