HARBAUGH

Oil · District 14 · Lease #8218

Operator: CHESAPEAKE OPERATING, INC.

Cum Oil

56k BBL

Cum Gas

0 MCF

Wells

1

Production

2010-07 — 2014-01

Peak Month

2010-08

Production History

Cum Oil: 56,082 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

8,638 BBL/mo

Di (annual)

279.8%

b-factor

0.8

EUR

128,576 BBL

R-squared

0.996

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1314HCHESAPEAKE OPERATING, INC.118,0002010-03-12
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