COWDEN E

Oil · District 9 · Lease #17058

Operator: MARINER ENERGY, INC.

Cum Oil

256k BBL

Cum Gas

0 MCF

Wells

3

Production

2009-12 — 2026-03

Peak Month

2010-07

Production History

Cum Oil: 256,423 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

4,835 BBL/mo

Di (annual)

27.0%

b-factor

0.1

EUR

238,544 BBL

R-squared

0.960

type

hyperbolic

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10MARINER ENERGY, INC.210,9002010-04-23
5MARINER ENERGY, INC.311,0002010-01-19
6MARINER ENERGY, INC.111,0002009-11-09
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