UL 4

Oil · District 10 · Lease #40790

Operator: WINDSOR PERMIAN LLC

Cum Oil

30k BBL

Cum Gas

0 MCF

Wells

1

Production

2010-08 — 2013-09

Peak Month

2010-11

Production History

Cum Oil: 30,104 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

1,353 BBL/mo

Di (annual)

42.2%

b-factor

0.0

EUR

38,390 BBL

R-squared

0.535

type

exponential

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10WINDSOR PERMIAN LLC210,9002011-08-09
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