CINCO TERRY "A"

Oil · District 7C · Lease #16500

Operator: APPROACH OPERATING LLC

Cum Oil

10k BBL

Cum Gas

133k MCF

casinghead

Wells

1

Production

2007-10 — 2010-08

Peak Month

2007-11

Production History

Cum Oil: 10,302 BBL Cum Gas: 133,441 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,057 BBL/mo

Di (annual)

178.6%

b-factor

0.3

EUR

10,085 BBL

R-squared

0.934

type

hyperbolic

Operator History (from monthly production reports)

2007-10 — 2010-12 APPROACH OPERATING LLC 39 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
904ZARVONA ENERGY LLC29,0002007-07-06