UNIVERSITY LEIGH

Oil · District 7C · Lease #15345

Operator: SUMMIT PETROLEUM LLC

Cum Oil

120k BBL

Cum Gas

135k MCF

casinghead

Wells

2

Production

2003-02 — 2026-04

Peak Month

2003-08

Production History

Cum Oil: 119,774 BBL Cum Gas: 135,411 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

5,021 BBL/mo

Di (annual)

99.9%

b-factor

0.5

EUR

116,059 BBL

R-squared

0.973

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
2003-02 — 2007-04 HENRY PETROLEUM LP 51 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2EXTEX OPERATING COMPANY17,2002003-03-31
1EXTEX OPERATING COMPANY17,1002002-12-20