SPEARMAN, ROBERT "B"

Oil · District 3 · Lease #13955

Operator: UNION PACIFIC RESOURCES COMPANY

Cum Oil

28k BBL

Cum Gas

0 MCF

Wells

2

Production

1993-01 — 2004-05

Peak Month

1995-06

Production History

Cum Oil: 28,406 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

593 BBL/mo

Di (annual)

33.3%

b-factor

0.0

EUR

21,334 BBL

R-squared

0.493

type

exponential

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2MOSBACHER PRODUCTION CO.27,5801983-08-12
1MOSBACHER PRODUCTION CO.27,5201981-03-09
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