MARSHALL #4

Oil · District 13 · Lease #29060

Operator: WASHAUKEE PETROLEUM

Cum Oil

1k BBL

Cum Gas

0 MCF

Wells

1

Production

1995-10 — 2014-09

Peak Month

1995-10

Production History

Cum Oil: 1,224 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

167 BBL/mo

Di (annual)

116.1%

b-factor

0.0

EUR

1,715 BBL

R-squared

0.322

type

exponential

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4DARTEX ENERGY INC12,6001995-02-21
Live © 2026 Petrora