SHEFFIELD ESTATE OIL UNIT NO. 1

Oil · District 6 · Lease #12479

Operator: KALOS CORPORATION

Cum Oil

21k BBL

Cum Gas

0 MCF

Wells

1

Production

1993-01 — 2006-08

Peak Month

1993-03

Production History

Cum Oil: 21,114 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

275 BBL/mo

Di (annual)

19.6%

b-factor

0.0

EUR

16,757 BBL

R-squared

0.568

type

exponential

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1KALOS CORP.27,8001988-08-24
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