RICKER -35-

Oil · District 9 · Lease #4851

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

75k BBL

Cum Gas

0 MCF

Wells

4

Production

1993-01 — 2026-03

Peak Month

2010-06

Production History

Cum Oil: 74,984 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

482 BBL/mo

Di (annual)

8.8%

b-factor

0.0

EUR

65,110 BBL

R-squared

0.354

type

exponential

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3ENDEAVOR ENERGY RESOURCES L.P.112,0002010-01-25
4ENDEAVOR ENERGY RESOURCES L.P.112,0002008-10-09
142-383-10699--------
242-383-10977--------
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