BERRYMAN

Oil · District 8 · Lease #28518

Operator: WALTER EXPLORATION INC.

Cum Oil

102k BBL

Cum Gas

0 MCF

Wells

6

Production

1998-07 — 2026-03

Peak Month

2002-10

Production History

Cum Oil: 101,555 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

2,853 BBL/mo

Di (annual)

70.7%

b-factor

0.3

EUR

68,966 BBL

R-squared

0.944

type

hyperbolic

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8WALTER EXPLORATION COMPANY14,7002003-01-27
4WALTER EXPLORATION INC.24,7002002-11-05
7WALTER EXPLORATION COMPANY14,7002002-08-08
6WALTER EXPLORATION COMPANY14,7002002-05-06
5WALTER EXPLORATION COMPANY14,7002002-03-14
2WALTER EXPLORATION INC.14,7002001-03-14
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