SHOE-BAR RANCH -B-

Oil · District 10 · Lease #32780

Operator: MARALO, LLC

Cum Oil

142k BBL

Cum Gas

0 MCF

Wells

1

Production

1993-01 — 2013-01

Peak Month

1993-01

Production History

Cum Oil: 141,652 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

4,204 BBL/mo

Di (annual)

76.7%

b-factor

0.6

EUR

144,733 BBL

R-squared

0.946

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PENWELL ENERGY, INC.511,5002012-08-17
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