CASSELMAN

Oil · District 10 · Lease #35587

Operator: GREAT WESTERN DRILLING COMPANY

Cum Oil

173k BBL

Cum Gas

0 MCF

Wells

2

Production

1997-11 — 2026-03

Peak Month

1998-03

Production History

Cum Oil: 173,414 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

3,431 BBL/mo

Di (annual)

31.8%

b-factor

0.2

EUR

161,349 BBL

R-squared

0.905

type

hyperbolic

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2GREAT WESTERN DRLG. CO.16,5001998-10-14
1GREAT WESTERN DRLG. CO.16,5001997-10-01
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