COWDEN B

Oil · District 9 · Lease #17526

Operator: APACHE CORPORATION

Cum Oil

115k BBL

Cum Gas

0 MCF

Wells

3

Production

2010-11 — 2026-03

Peak Month

2011-03

Production History

Cum Oil: 115,032 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

2,201 BBL/mo

Di (annual)

36.6%

b-factor

0.4

EUR

115,326 BBL

R-squared

0.810

type

hyperbolic

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5APACHE CORPORATION111,0002011-02-22
7APACHE CORPORATION211,0002010-12-27
6MARINER ENERGY, INC.111,0002010-08-30
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