42-077-34960

PRODUCING

HOLT B

CLAY County · District 9 · EXTECH OPERATING LLC · BUCK M. (BRYSON)

Permits

Max Depth

5,300 ft

First Permit

2007-04-18

Latest Activity

2011-05-12

Lifespan

4 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

2011-04-14

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

2007-05

Last Production

2026-07

Operator History

Chain of Custody

GLEN D. GONZENBACH, LLC 2007-2016→ GONZENBACH OIL & GAS, LLC 2017-2019→ EXTECH OPERATING, LLC 2020-2026

Lease Production

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

Formation Tops (4) Elevation 992 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
MOBLEY SAND	4,098 ft	-3,106 ft
BRYSON SAND (Bryson)	4,480 ft	-3,488 ft
DEER CREEK ISRAEL	4,960 ft	-3,968 ft
ISRAEL SAND	4,960 ft	-3,968 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 (5)

Interval	Type
4,480–4,490 ft	Perforated
4,956–5,002 ft	Perforated
5,010–5,052 ft	Perforated
5,118–5,122 ft	Perforated
5,168–5,178 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	279 ft	175 sx
4.5"	5,274 ft	500 sx

Permit History (2)

#715685 Recompletion Final Completion

HOLT 'B' · 5,275 ft

2011-05-12

Spud 2011-04-13

#636973 Drill Final Completion

HOLT "B" · 5,300 ft

2007-04-18

Spud 2007-04-19

Applications (2)

#715685 A GLEN D. GONZENBACH, LLC

received 2011-05-04

#636973 A GONZENBACH, GLEN D

received 2007-04-12

Records & Logs

3 completion filings on record · 1 with log images at RRC.

W-2/G-1 2011-05-23

W-2/G-1 2007-07-20 log on file

W-2/G-1 2007-10-26

Completion packets + logs ↗ Wellbore 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 CLAY County.

Well Details

Well Number: 1
Max Depth: 5,300 ft
Drill Type: Vertical
County: CLAY
District: 9
Operator: EXTECH OPERATING LLC
Completed: 2011-04-14

Operator

Name: EXTECH OPER, LLC
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