SINGLETON, C.B.

Oil · District 08 · Lease #37622

Operator: ROFF OPERATING COMPANY, LLC

Cum Oil

56k BBL

Cum Gas

142k MCF

casinghead

Wells

1

Production

2005-06 — 2011-04

Peak Month

2005-12

Production History

Cum Oil: 56,266 BBL Cum Gas: 142,419 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,994 BBL/mo

Di (annual)

39.9%

b-factor

0.0

EUR

59,909 BBL

R-squared

0.912

type

exponential

Operator History (from monthly production reports)

2005-06 — 2011-07 ROFF OPERATING COMPANY, LLC 74 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1OVINTIV USA INC.19,0002005-03-31