42-497-32663

Final Completion

MANSFIELD B

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

Permits

2

Max Depth

6,200 ft

First Permit

1983-10-19

Latest Activity

2007-11-06

Lifespan

24 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2007-11-10

Shut-In

Plugged

!

EWA / Permit operator mismatch

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

Resolved via: productionEXTECH OPERATING, LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2026-07

Lease Production

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

Formation Tops (4) Elevation 1,039 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
STRAWN 2,044 ft-1,005 ft
BRYSON 3,660 ft-2,621 ft
CADDO 5,620 ft-4,581 ft
CADDO CONGL. (Caddo)5,770 ft-4,731 ft

As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗

Perforations (2)

IntervalType
5,770–5,775 ftPerforated
5,780–5,788 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"588 ft400 sx
4.5"5,946 ft370 sx

Permit History (2)

Applications (2)

#648652 A GLEN D. GONZENBACH, LLC
received 2007-10-30
#217626 A COBRA OIL & GAS CORPORATION
received 1983-10-17

Records & Logs

7 completion filings on record · 2 with log images at RRC.

W-2/G-1 2025-07-08 log on file
W-2/G-1 2007-11-20 log on file
W-2/G-1 2008-01-17
W-2/G-1 1988-01-28
W-2/G-1 1988-04-13
W-2/G-1 1984-02-10

+1 more filings

Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.

No GPS coordinates yet

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in WISE County.

Well Details

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

Operator

Location
FORT WORTH
P-5 Status
Active (filed 2026-02-09)
Cum Oil (all leases)
122,625 bbl
Cum Gas (all leases)
1,878,993 mcf
Activities
OPRS/G, OPRS/O
Total Permits
16