MASTEN "J"

Oil · District 11 · Lease #3823

Operator: UNION OIL COMPANY OF CALIFORNIA

Fields: LEVELLAND

Cum Oil

10k BBL

Cum Gas

0 MCF

Wells

10

Production

1993-01 — 1994-10

Peak Month

1993-01

Production History

Cum Oil: 9,981 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

816 BBL/mo

Di (annual)

61.9%

b-factor

0.0

EUR

15,809 BBL

R-squared

0.472

type

exponential

Wells (10)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5UNION OIL COMPANY OF CALIFORNIA24,9451979-12-11
18UNION OIL COMPANY OF CALIFORNIA14,9251978-01-04
142-079-01581--------
1042-079-01774--------
13D42-079-01593--------
1442-079-01298--------
1542-079-01299--------
1642-079-01300--------
842-079-01547--------
942-079-00033--------
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