YORK, W. A. 13

Oil · District 5 · Lease #3805

Operator: UNION OIL COMPANY OF CALIFORNIA

Fields: VAN (SHALLOW)

Cum Oil

24k BBL

Cum Gas

0 MCF

Wells

2

Production

2005-04 — 2019-04

Peak Month

2005-04

Production History

Cum Oil: 24,321 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

599 BBL/mo

Di (annual)

33.6%

b-factor

0.1

EUR

23,691 BBL

R-squared

0.816

type

hyperbolic

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
17UNION OIL COMPANY OF CALIFORNIA22,4052005-03-30
14UNOCAL EXPLORATION CORPORATION22,9002005-03-28
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