GRIFFIN-PRUEGNER UNIT

Oil · District 3 · Lease #17926

Operator: UNION PACIFIC RESOURCES COMPANY

Cum Oil

80k BBL

Cum Gas

0 MCF

Wells

2

Production

1993-01 — 2026-03

Peak Month

2012-01

Production History

Cum Oil: 79,871 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

1,207 BBL/mo

Di (annual)

43.2%

b-factor

0.1

EUR

37,186 BBL

R-squared

0.702

type

hyperbolic

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SANTA FE MINERALS, INC.211,0002007-10-16
1RESANTA FE MINERALS, INC.211,0002007-10-16
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