MAHAFFEY

Oil · District 10 · Lease #30168

Operator: RANGE PRODUCTION COMPANY

Fields: CONGER (PENN)

Cum Oil

8k BBL

Cum Gas

0 MCF

Wells

1

Production

1993-01 — 2015-07

Peak Month

1993-07

Production History

Cum Oil: 7,871 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

62 BBL/mo

Di (annual)

14.1%

b-factor

0.0

EUR

5,176 BBL

R-squared

0.464

type

exponential

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2GRAND BANKS ENERGY COMPANY18,5001985-04-08
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