SHANKLES

Oil · District 13 · Lease #23269

Operator: PRECISION OPERATING INC.

Cum Oil

439 BBL

Cum Gas

0 MCF

Wells

1

Production

1993-01 — 1993-11

Peak Month

1993-03

Production History

Cum Oil: 439 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

78 BBL/mo

Di (annual)

163.1%

b-factor

0.4

EUR

891 BBL

R-squared

0.547

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PRECISION OPERATING INC.29,1551983-05-12
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