COUNTISS HEIRS

Oil · District 4 · Lease #13597

Operator: HARPER HEFTE, INC.

Cum Oil

3k BBL

Cum Gas

0 MCF

Wells

1

Production

2010-03 — 2015-10

Peak Month

2010-03

Production History

Cum Oil: 2,826 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

229 BBL/mo

Di (annual)

81.6%

b-factor

0.1

EUR

3,724 BBL

R-squared

0.637

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HARPER HEFTE, INC.17,8002009-09-24
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