JOHNSON

Oil · District 13 · Lease #31471

Operator: HALEK ENERGY L.L.C.

Fields: STEED

Cum Oil

8k BBL

Cum Gas

0 MCF

Wells

1

Production

2009-09 — 2012-01

Peak Month

2009-09

Production History

Cum Oil: 8,205 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

934 BBL/mo

Di (annual)

118.2%

b-factor

0.4

EUR

15,543 BBL

R-squared

0.775

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2HHALEK ENERGY L.L.C.55,8002010-12-06
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