PENDERGRAFT

Oil · District 11 · Lease #69283

Operator: ROFF OPERATING COMPANY, LLC

Cum Oil

77k BBL

Cum Gas

0 MCF

Wells

1

Production

2008-08 — 2015-09

Peak Month

2008-09

Production History

Cum Oil: 76,512 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

1,508 BBL/mo

Di (annual)

20.1%

b-factor

0.0

EUR

90,129 BBL

R-squared

0.427

type

exponential

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1ROFF OPERATING COMPANY, LLC19,0002008-05-22
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