COLLIER 52-14

Oil · District 08 · Lease #39399

Operator: CHESAPEAKE OPERATING, INC.

Cum Oil

42k BBL

Cum Gas

93k MCF

casinghead

Wells

1

Production

2009-02 — 2010-11

Peak Month

2009-11

Production History

Cum Oil: 42,069 BBL Cum Gas: 92,711 MCF

RRC production reported through Apr 2026 · recent months incomplete

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

Operator History (from monthly production reports)

2009-02 — 2011-04 CHESAPEAKE OPERATING, INC. 27 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1COG OPERATING LLC220,0002008-09-26