POWELL "21" A

Oil · District 9 · Lease #17550

Operator: COG OPERATING LLC

Cum Oil

162k BBL

Cum Gas

0 MCF

Wells

2

Production

2011-08 — 2026-03

Peak Month

2013-03

Production History

Cum Oil: 161,566 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

2,618 BBL/mo

Di (annual)

51.8%

b-factor

0.9

EUR

181,050 BBL

R-squared

0.881

type

hyperbolic

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
7COG OPERATING LLC210,6752012-10-11
15COG OPERATING LLC110,7002011-04-04
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