PENDERGRAFT

Oil · District 8A · Lease #69283

Operator: ROFF OPERATING COMPANY, LLC

Cum Oil

77k BBL

Cum Gas

56k MCF

casinghead

Wells

1

Production

2008-08 — 2015-06

Peak Month

2009-07

Production History

Cum Oil: 76,512 BBL Cum Gas: 55,927 MCF

RRC production reported through Apr 2026 · recent months incomplete

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

Operator History (from monthly production reports)

2008-08 — 2015-09 ROFF OPERATING COMPANY, LLC 86 mo

Wells (1)

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