ROBTANN

Oil · District 8 · Lease #28266

Operator: WALTER EXPLORATION INC.

Cum Oil

111k BBL

Cum Gas

0 MCF

Wells

1

Production

1997-07 — 2014-10

Peak Month

1997-10

Production History

Cum Oil: 111,008 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

1,432 BBL/mo

Di (annual)

17.0%

b-factor

0.2

EUR

124,007 BBL

R-squared

0.846

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1WALTER EXPLORATION INC.24,2001997-07-16
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