COFFIELD-LOCKHART

Oil · District 1 · Lease #12292

Operator: O. H. B. INC.

Cum Oil

37k BBL

Cum Gas

0 MCF

Wells

1

Production

1993-01 — 2012-12

Peak Month

1993-01

Production History

Cum Oil: 36,950 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

833 BBL/mo

Di (annual)

25.0%

b-factor

0.0

EUR

39,933 BBL

R-squared

0.432

type

exponential

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HEARTLAND RESOURCES, INC.12,5001989-06-01
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