BR COTTON

Oil · District 5 · Lease #3899

Operator: TANOS EXPLORATION II, LLC

Cum Oil

63k BBL

Cum Gas

0 MCF

Wells

1

Production

2008-12 — 2026-03

Peak Month

2009-05

Production History

Cum Oil: 62,649 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

875 BBL/mo

Di (annual)

46.0%

b-factor

0.4

EUR

36,898 BBL

R-squared

0.342

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1BURLINGTON RESOURCES O & G CO LP213,7002008-09-08
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