SPIKE BOX A

Oil · District 13 · Lease #31103

Operator: TRI ENERGY RESOURCES, INC.

Cum Oil

5k BBL

Cum Gas

0 MCF

Wells

1

Production

2008-08 — 2018-05

Peak Month

2008-09

Production History

Cum Oil: 4,542 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

214 BBL/mo

Di (annual)

61.3%

b-factor

0.1

EUR

4,615 BBL

R-squared

0.766

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1BORDERLINE OPERATING CORP.12,7502008-06-30
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