COOPER ESTATE

Oil · District 8 · Lease #25936

Operator: ONE EPOCH ENERGY, INC.

Cum Oil

3k BBL

Cum Gas

0 MCF

Wells

3

Production

1993-01 — 2008-03

Peak Month

1994-04

Production History

Cum Oil: 3,405 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

103 BBL/mo

Di (annual)

65.3%

b-factor

0.0

EUR

1,873 BBL

R-squared

0.378

type

exponential

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4D-BAR LEASING, INC.12,4001994-01-21
3MID-TEX ENERGY INC.22,5001990-09-11
2TABCO EXPLORATION INC.22,5001990-08-17
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