KOESTER "A"

Oil · District 13 · Lease #28395

Operator: FARMER OPERATING, LLC

Cum Oil

14k BBL

Cum Gas

0 MCF

Wells

1

Production

1993-01 — 2013-11

Peak Month

1993-01

Production History

Cum Oil: 13,875 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

235 BBL/mo

Di (annual)

63.3%

b-factor

0.8

EUR

12,427 BBL

R-squared

0.401

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1BLACK STAR OIL COMPANY15,1001992-08-18
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