ALEXANDER HEIRS

Oil · District 7B · Lease #28483

Operator: PATTERSON PETROLEUM LP

Cum Oil

175k BBL

Cum Gas

519k MCF

casinghead

Wells

2

Production

1998-06 — 2016-11

Peak Month

1999-05

Production History

Cum Oil: 174,885 BBL Cum Gas: 518,530 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

5,809 BBL/mo

Di (annual)

245.7%

b-factor

1.2

EUR

184,623 BBL

R-squared

0.807

type

hyperbolic

Operator History (from monthly production reports)

2003-12 — 2017-03 KATSCO ENERGY, INC. 160 mo
2000-03 — 2003-11 PATTERSON PETROLEUM LP 45 mo
1998-06 — 2000-02 PATTERSON PETROLEUM, INC. 21 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2LAKESHORE OPERATING, LLC15,4001998-09-15
1LAKESHORE OPERATING, LLC15,4001998-05-19