NANCE HEIRS

Oil · District 3 · Lease #23317

Operator: BARROW-SHAVER RESOURCES CO.

Cum Oil

40k BBL

Cum Gas

0 MCF

Wells

1

Production

1997-09 — 2003-02

Peak Month

1997-10

Production History

Cum Oil: 39,501 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

1,229 BBL/mo

Di (annual)

22.2%

b-factor

0.0

EUR

66,482 BBL

R-squared

0.412

type

exponential

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1BARROW-SHAVER RESOURCES CO.18,0001997-08-08
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