WALKER DEVELOPMENT OL UNIT

Oil · District 3 · Lease #22137

Operator: UNION PACIFIC RESOURCES COMPANY

Cum Oil

224k BBL

Cum Gas

0 MCF

Wells

1

Production

1993-08 — 2002-05

Peak Month

1993-09

Production History

Cum Oil: 223,625 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

32,712 BBL/mo

Di (annual)

192.5%

b-factor

0.2

EUR

255,239 BBL

R-squared

0.863

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1UNION PACIFIC RESOURCES COMPANY19,0001993-07-14
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