NICHOLS-ODD FELLOWS UNIT

Oil · District 10 · Lease #34529

Operator: COBRA OIL & GAS CORPORATION

Cum Oil

87k BBL

Cum Gas

0 MCF

Wells

1

Production

1995-06 — 1999-02

Peak Month

1996-07

Production History

Cum Oil: 87,102 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

6,761 BBL/mo

Di (annual)

184.4%

b-factor

0.0

EUR

44,076 BBL

R-squared

0.873

type

exponential

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1COBRA OIL & GAS CORPORATION511,0001998-02-26
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