SHANAFELT TRUST

Oil · District 13 · Lease #27745

Operator: WESTERN CHIEF OPERATING, L.L.C.

Cum Oil

254k BBL

Cum Gas

0 MCF

Wells

1

Production

1993-01 — 2026-03

Peak Month

1998-05

Production History

Cum Oil: 254,217 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

874 BBL/mo

Di (annual)

2.7%

b-factor

0.0

EUR

284,971 BBL

R-squared

0.639

type

exponential

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1AWESTERN CHIEF OIL & GAS COMPANY14,9991990-05-29
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