DURHAM "A-1"

Oil · District 13 · Lease #28073

Operator: FELDERHOFF PRODUCTION COMPANY

Cum Oil

234 BBL

Cum Gas

0 MCF

Wells

1

Production

1993-01 — 1995-02

Peak Month

1993-01

Production History

Cum Oil: 234 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

23 BBL/mo

Di (annual)

88.6%

b-factor

0.0

EUR

295 BBL

R-squared

0.386

type

exponential

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4FELDERHOFF PRODUCTION CO.16,0001991-04-12
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