HOLT "A"

Oil · District 09 · Lease #30530

Operator: GONZENBACH OIL & GAS, LLC

Cum Oil

51k BBL

Cum Gas

51k MCF

casinghead

Wells

2

Production

2005-11 — 2026-04

Peak Month

2005-12

Production History

Cum Oil: 50,815 BBL Cum Gas: 50,922 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

395 BBL/mo

Di (annual)

8.6%

b-factor

0.0

EUR

54,502 BBL

R-squared

0.405

type

exponential

Operator History (from monthly production reports)

2020-01 — 2026-07 EXTECH OPERATING, LLC 79 mo
2017-01 — 2019-12 GONZENBACH OIL & GAS, LLC 36 mo
2007-09 — 2016-12 GLEN D. GONZENBACH, LLC 112 mo
2005-11 — 2007-08 GONZENBACH, GLEN D 22 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2EXTECH OPERATING, LLC25,2002011-05-23
1EXTECH OPERATING, LLC25,2002011-05-13