COOK -A-, SECTION 81

Oil · District 8 · Lease #9183

Operator: YOUNG, MARSHALL R., OIL CO.

Fields: COOK RANCH

Cum Oil

55k BBL

Cum Gas

0 MCF

Wells

5

Production

1993-01 — 2026-03

Peak Month

1997-03

Production History

Cum Oil: 55,156 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

196 BBL/mo

Di (annual)

4.4%

b-factor

0.0

EUR

47,801 BBL

R-squared

0.411

type

exponential

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
7WSTASNEY, H. R. & SONS, LTD.11,5002005-05-16
13YOUNG, MARSHALL R., OIL COMPANY15,5001985-02-20
12YOUNG, MARSHALL R., OIL COMPANY11,3001984-12-11
842-417-82763--------
942-417-30749--------
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