REDELSPERGER 1043

Oil · District 14 · Lease #8158

Operator: CHESAPEAKE OPERATING, INC.

Cum Oil

24k BBL

Cum Gas

0 MCF

Wells

2

Production

2010-04 — 2014-04

Peak Month

2011-03

Production History

Cum Oil: 23,976 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

1,901 BBL/mo

Di (annual)

982.1%

b-factor

0.7

EUR

7,062 BBL

R-squared

0.574

type

hyperbolic

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2HCHESAPEAKE OPERATING, INC.218,0002010-08-30
1HCHESAPEAKE OPERATING, INC.118,0002009-10-21
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