PETTITFILS, J. D. "A"

Oil · District 08 · Lease #37839

Operator: ENERVEST OPERATING, L.L.C.

Cum Oil

3k BBL

Cum Gas

218 MCF

casinghead

Wells

1

Production

2005-06 — 2008-01

Peak Month

2005-07

Production History

Cum Oil: 2,903 BBL Cum Gas: 218 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

146 BBL/mo

Di (annual)

50.9%

b-factor

0.0

EUR

3,431 BBL

R-squared

0.565

type

exponential

Operator History (from monthly production reports)

2007-06 — 2008-04 ENERGEN RESOURCES CORPORATION 11 mo
2005-06 — 2007-05 ENERVEST OPERATING, L.L.C. 24 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
12BCE-MACH III LLC22,8952005-04-25