COLLIER 52-14

Oil · District 10 · Lease #39399

Operator: CHESAPEAKE OPERATING, INC.

Cum Oil

42k BBL

Cum Gas

0 MCF

Wells

1

Production

2009-02 — 2011-04

Peak Month

2009-03

Production History

Cum Oil: 42,069 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

4,198 BBL/mo

Di (annual)

131.9%

b-factor

0.0

EUR

38,221 BBL

R-squared

0.785

type

exponential

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1CHESAPEAKE OPERATING, INC.220,0002008-09-26
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