42-497-32663

PRODUCING

MANSFIELD B

WISE County · District 9 · EXTECH OPERATING LLC · YOUNGER W (CADDO CONGL. LO F)

RRC Lookup

Permits

Max Depth

6,200 ft

First Permit

1983-10-19

Latest Activity

2007-11-06

Lifespan

24 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

2007-11-10

Shut-In

—

Plugged

—

P-5 Org Status: Active

EWA / Permit operator mismatch

Scheduling: EXTECH OPERATING LLC ≠ Permit: GLEN D. GONZENBACH, LLC

Resolved via: production → EXTECH OPERATING, LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-03

Operator History

Chain of Custody

COBRA OIL & GAS CORPORATION 1993-2007→ GLEN D. GONZENBACH, LLC 2007-2016→ GONZENBACH OIL & GAS, LLC 2017-2019→ EXTECH OPERATING, LLC 2020-2025

Lease Production

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

Permit History (2)

#648652 Reenter Final Completion

MANSFIELD "B" · 6,200 ft

2007-11-06

Spud 2007-11-08

#217626 Drill Final Completion

MANSFIELD B · 6,200 ft

1983-10-19

Spud 1983-11-19

Permit Applications (2)

#648652 A GLEN D. GONZENBACH, LLC

received 2007-10-30

#217626 A COBRA OIL & GAS CORPORATION

received 1983-10-17

Well Details

Well Number: 3
Max Depth: 6,200 ft
Drill Type: Vertical
County: WISE
District: 9
Operator: EXTECH OPERATING LLC
Completed: 2007-11-10

Operator

Name: EXTECH OPER, LLC
Location: FORT WORTH
P-5 Status: Y (filed 2026-01-04)
Cum Oil (all leases): 114,378 bbl
Cum Gas (all leases): 1,828,858 mcf
Activities: OPRS/G, OPRS/O
Total Permits: 16

External Links

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