UNDERWOOD

Oil · District 08 · Lease #34090

Operator: PATTERSON PETROLEUM LP

Cum Oil

71k BBL

Cum Gas

126k MCF

casinghead

Wells

1

Production

1994-01 — 2009-01

Peak Month

1995-10

Production History

Cum Oil: 70,907 BBL Cum Gas: 126,494 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

735 BBL/mo

Di (annual)

12.3%

b-factor

0.0

EUR

71,674 BBL

R-squared

0.610

type

exponential

Operator History (from monthly production reports)

2008-05 — 2011-07 LEGACY RESERVES OPERATING LP 39 mo
2007-06 — 2008-04 BC OPERATING, INC. 11 mo
2000-03 — 2007-05 PATTERSON PETROLEUM LP 87 mo
1994-01 — 2000-02 PATTERSON PETROLEUM, INC. 74 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1LEGACY RESERVES OPERATING LP18,1001993-10-27