O.B. PRICE

Oil · District 10 · Lease #38176

Operator: ENERVEST OPERATING, L.L.C.

Cum Oil

8k BBL

Cum Gas

0 MCF

Wells

1

Production

2005-03 — 2008-04

Peak Month

2005-03

Production History

Cum Oil: 7,900 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

529 BBL/mo

Di (annual)

229.5%

b-factor

2.0

EUR

39,250 BBL

R-squared

0.927

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10ENERVEST OPERATING, L.L.C.12,8502004-09-09
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