FROST NATIONAL BANK TRUSTEE

Oil · District 01 · Lease #14528

Operator: CARRIZO EXPLORATION, INC.

Cum Oil

2k BBL

Cum Gas

6k MCF

casinghead

Wells

1

Production

2004-07 — 2007-03

Peak Month

2005-10

Production History

Cum Oil: 1,581 BBL Cum Gas: 6,438 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

212 BBL/mo

Di (annual)

406.7%

b-factor

0.6

EUR

1,384 BBL

R-squared

0.793

type

hyperbolic

Operator History (from monthly production reports)

2004-07 — 2008-02 CARRIZO EXPLORATION, INC. 44 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6CARRIZO EXPLORATION INC.13,9001989-09-07