CALVERLEY -24-

Oil · District 10 · Lease #27117

Operator: UNIVERSAL RESOURCES CORP.

Cum Oil

350k BBL

Cum Gas

0 MCF

Wells

5

Production

1993-01 — 2020-03

Peak Month

1993-01

Production History

Cum Oil: 349,825 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

7,584 BBL/mo

Di (annual)

27.3%

b-factor

0.1

EUR

370,386 BBL

R-squared

0.908

type

hyperbolic

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
9024MAXUS EXPLORATION COMPANY18,1001987-11-25
7024DIAMOND SHAMROCK EXPLORATION CO.18,0501985-04-19
6DIAMOND SHAMROCK EXPLORATION CO.18,0001984-11-08
5DIAMOND SHAMROCK EXPLORATION CO.18,0001984-08-09
1DIAMOND CHEMICALS COMPANY111,0001981-11-03
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