HEFTE, MARY TOM ET AL

Oil · District 4 · Lease #11969

Operator: HARPER HEFTE, INC.

Cum Oil

18k BBL

Cum Gas

0 MCF

Wells

1

Production

1993-01 — 1998-12

Peak Month

1995-05

Production History

Cum Oil: 18,050 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

299 BBL/mo

Di (annual)

21.1%

b-factor

0.0

EUR

16,918 BBL

R-squared

0.322

type

exponential

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
11HARPER HEFTE, INC.26,8001998-08-20
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