O'BRIEN C

Oil · District 08 · Lease #39256

Operator: ROFF OPERATING COMPANY, LLC

Cum Oil

33k BBL

Cum Gas

74k MCF

casinghead

Wells

1

Production

2008-09 — 2011-04

Peak Month

2009-12

Production History

Cum Oil: 33,409 BBL Cum Gas: 73,528 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,413 BBL/mo

Di (annual)

33.4%

b-factor

0.8

EUR

123,441 BBL

R-squared

0.764

type

hyperbolic

Operator History (from monthly production reports)

2008-09 — 2011-07 ROFF OPERATING COMPANY, LLC 35 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1OVINTIV USA INC.19,0002008-04-15