42-391-01586

Final Completion

OCONNOR THOMAS -A-

REFUGIO County · District 2 · T-C OIL COMPANY LLC · TOM OCONNOR (5900 SAND)

RRC Lookup

Permits

Max Depth

5,915 ft

First Permit

1998-02-27

Latest Activity

2011-06-03

Lifespan

13 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1974-11-28

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: T-C OIL COMPANY LLC ≠ Production: HILCORP ENERGY COMPANY (reported 2025-12)

EWA / Permit operator mismatch

Scheduling: T-C OIL COMPANY LLC ≠ Permit: HILCORP ENERGY COMPANY

Resolved via: production → HILCORP ENERGY COMPANY

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-03

Operator History

Chain of Custody

COPANO COMPANY 1993-1998→ QUINTANA PET. CORP. 1993-2000→ COPANO GAS UNIT 1998-2004→ HILCORP ENERGY COMPANY 2000-2025→ T - C OIL COMPANY 2004-2008

Lease Production

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

Permit History (2)

#717530 Recompletion Final Completion

TOM O'CONNOR (5800 SD) FLD. UNIT · 5,915 ft

2011-06-03

Spud 2011-08-30

#473686 Recompletion Final Completion

COPANO GAS UNIT · 4,893 ft

1998-02-27

Spud 1998-01-28

Permit Applications (2)

#717530 A HILCORP ENERGY COMPANY

received 2011-06-01

#473686 A COPANO GAS UNIT

received 1998-02-23

Well Details

Well Number: C108
Max Depth: 5,915 ft
Drill Type: Vertical
County: REFUGIO
District: 2
Operator: T-C OIL COMPANY LLC
Completed: 1974-11-28

Operator

Name: T-C OIL CO, LLC
Location: REFUGIO
P-5 Status: Y (filed 2025-10-04)
Cum Oil (all leases): 13,457,380 bbl
Cum Gas (all leases): 22,220,596 mcf
Activities: CSGD/P, G/PUR, OPRS/G, OPRS/O
Total Permits: 279

External Links

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