UNIVERSITY SYLVIA

Oil · District 7C · Lease #15294

Operator: SUMMIT PETROLEUM LLC

Cum Oil

123k BBL

Cum Gas

204k MCF

casinghead

Wells

2

Production

2002-10 — 2026-04

Peak Month

2003-05

Production History

Cum Oil: 122,864 BBL Cum Gas: 204,359 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,061 BBL/mo

Di (annual)

56.7%

b-factor

0.6

EUR

93,159 BBL

R-squared

0.891

type

hyperbolic

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
2002-10 — 2007-04 HENRY PETROLEUM LP 55 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2EXTEX OPERATING COMPANY17,2002003-02-05
1EXTEX OPERATING COMPANY17,1002002-08-02