GLO 89 "B" UNIT

Oil · District 10 · Lease #35102

Operator: PRIZE OPERATING COMPANY

Cum Oil

37k BBL

Cum Gas

0 MCF

Wells

1

Production

1996-10 — 2002-04

Peak Month

1997-11

Production History

Cum Oil: 36,904 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

998 BBL/mo

Di (annual)

33.4%

b-factor

0.1

EUR

39,754 BBL

R-squared

0.855

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HALLWOOD PETROLEUM, INC.15,5001996-09-04
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