FROST NATIONAL BANK TRUSTEE

Oil // district 1 // lease#14528

op: CARRIZO EXPLORATION, INC.

cum_oil

2k BBL

cum_gas

0 MCF

wells

1

production

2004-07 — 2008-02

peak_month

2004-09

-- production_history

cum_oil: 1,581 BBL cum_gas: 0 MCF

-- 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

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6SAN ANTONIO GAS & OIL, INC.13,9001989-09-07
EOF // multi-state drilling data platform // 2026