KIMBERLY SOUTH UNIT 1

Oil · District 3 · Lease #18417

Operator: UNION PACIFIC AUSTIN CHALK CO.

Cum Oil

73k BBL

Cum Gas

0 MCF

Wells

2

Production

1993-01 — 2003-03

Peak Month

1997-03

Production History

Cum Oil: 72,527 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

7,794 BBL/mo

Di (annual)

297.6%

b-factor

0.4

EUR

52,301 BBL

R-squared

0.535

type

hyperbolic

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1ZAPATA EXPLORATION CO-ONSHORE210,0001997-01-10
1REZAPATA EXPLORATION CO-ONSHORE210,0001997-01-10
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