ZULA MCCRARY -F-

Oil · District 10 · Lease #35277

Operator: DREYFUS, LOUIS NATURAL GAS CORP

Cum Oil

30k BBL

Cum Gas

0 MCF

Wells

2

Production

1997-02 — 2008-03

Peak Month

1997-03

Production History

Cum Oil: 30,174 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

3,148 BBL/mo

Di (annual)

286.1%

b-factor

0.6

EUR

31,385 BBL

R-squared

0.967

type

hyperbolic

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1COSTILLA PETROLEUM CORPORATION29,0002004-09-21
4501COSTILLA PETROLEUM CORPORATION29,0002004-09-21
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