MCKINLEY UNIT

Oil · District 13 · Lease #27356

Operator: RIO GRANDE DRILLING COMPANY

Cum Oil

29k BBL

Cum Gas

0 MCF

Wells

1

Production

1993-01 — 1998-02

Peak Month

1996-07

Production History

Cum Oil: 28,852 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

1,437 BBL/mo

Di (annual)

801.3%

b-factor

0.7

EUR

6,442 BBL

R-squared

0.801

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1ASTOVALL OPERATING CO.34,6002002-02-01
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