UNIVERSITY 42-23

Oil · District 9 · Lease #16861

Operator: APPROACH OPERATING LLC

Cum Oil

12k BBL

Cum Gas

0 MCF

Wells

2

Production

2008-11 — 2010-12

Peak Month

2008-12

Production History

Cum Oil: 11,952 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

1,533 BBL/mo

Di (annual)

403.5%

b-factor

1.2

EUR

34,194 BBL

R-squared

0.948

type

hyperbolic

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
7APPROACH OPERATING LLC19,0002008-10-16
4APPROACH OPERATING LLC19,0002008-07-30
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