UNIVERSITY DELBRA

Oil · District 7C · Lease #13523

Operator: SUMMIT PETROLEUM LLC

Cum Oil

342k BBL

Cum Gas

472k MCF

casinghead

Wells

5

Production

1993-10 — 2025-12

Peak Month

1993-11

Production History

Cum Oil: 342,361 BBL Cum Gas: 472,188 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,312 BBL/mo

Di (annual)

11.6%

b-factor

0.0

EUR

342,792 BBL

R-squared

0.791

type

exponential

Operator History (from monthly production reports)

2023-12 — 2026-07 CIVITAS PERMIAN OPERATING, LLC 32 mo
2018-10 — 2023-11 HIBERNIA RESOURCES III, LLC 62 mo
2018-09 — 2018-09 PBEX OPERATIONS, LLC 1 mo
2007-10 — 2018-08 LEGACY RESERVES OPERATING LP 131 mo
2007-05 — 2007-09 SUMMIT PETROLEUM LLC 5 mo
2001-04 — 2007-04 HENRY PETROLEUM LP 73 mo
1993-10 — 2001-03 HENRY PETROLEUM CORP. 90 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5CIVITAS PERMIAN OPERATING LLC17,2002001-02-27
4CIVITAS PERMIAN OPERATING LLC17,2001993-09-01
3CIVITAS PERMIAN OPERATING LLC17,2001993-08-27
1CIVITAS PERMIAN OPERATING LLC17,2001993-08-10
2CIVITAS PERMIAN OPERATING LLC17,2001993-08-10