JOHNSON UNIT

Oil · District 11 · Lease #68582

Operator: HALVEY ENERGY, LLC

Cum Oil

10k BBL

Cum Gas

0 MCF

Wells

1

Production

2003-05 — 2008-02

Peak Month

2003-07

Production History

Cum Oil: 10,087 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

1,677 BBL/mo

Di (annual)

626.0%

b-factor

0.6

EUR

7,697 BBL

R-squared

0.928

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HALVEY ENERGY CO.17,9002003-04-07
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