UNIVERSITY CASSANDRA

Oil · District 7C · Lease #15227

Operator: SUMMIT PETROLEUM LLC

Cum Oil

44k BBL

Cum Gas

98k MCF

casinghead

Wells

1

Production

2002-03 — 2026-04

Peak Month

2002-05

Production History

Cum Oil: 43,567 BBL Cum Gas: 98,092 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

267 BBL/mo

Di (annual)

6.2%

b-factor

0.0

EUR

49,337 BBL

R-squared

0.368

type

exponential

Operator History (from monthly production reports)

2021-04 — 2026-07 EXTEX OPERATING COMPANY 64 mo
2018-09 — 2021-03 PBEX OPERATIONS, LLC 31 mo
2007-10 — 2018-08 LEGACY RESERVES OPERATING LP 131 mo
2007-05 — 2007-09 SUMMIT PETROLEUM LLC 5 mo
2002-03 — 2007-04 HENRY PETROLEUM LP 62 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1EXTEX OPERATING COMPANY16,9992001-12-03