STONE

Oil · District 13 · Lease #28583

Operator: JOHNSON & ERNST OPERATING CO.

Cum Oil

3k BBL

Cum Gas

0 MCF

Wells

2

Production

1993-06 — 2000-05

Peak Month

1993-07

Production History

Cum Oil: 3,166 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

139 BBL/mo

Di (annual)

83.8%

b-factor

0.5

EUR

3,631 BBL

R-squared

0.811

type

hyperbolic

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2JOHNSON & ERNST OPERATING CO.22,0001999-10-04
1JOHNSON, F. T., JR.12,0001991-09-19
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