LOWRENCE "C"

Oil · District 13 · Lease #25571

Operator: TRI STAR OPERATING, INC.

Cum Oil

5k BBL

Cum Gas

0 MCF

Wells

2

Production

1993-01 — 1999-10

Peak Month

1995-03

Production History

Cum Oil: 4,677 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

168 BBL/mo

Di (annual)

68.9%

b-factor

0.0

EUR

2,916 BBL

R-squared

0.509

type

exponential

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3 CSONORA OIL COMPANY23,0001985-08-08
2 CSONORA OIL COMPANY13,0001985-05-06
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