UNIVERSITY 4-28

Oil · District 7C · Lease #18067

Operator: ROCKPORT ENERGY SOLUTIONS LLC

Cum Oil

186k BBL

Cum Gas

187k MCF

casinghead

Wells

1

Production

2012-11 — 2026-04

Peak Month

2013-04

Production History

Cum Oil: 186,147 BBL Cum Gas: 187,487 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

5,230 BBL/mo

Di (annual)

48.6%

b-factor

0.2

EUR

161,202 BBL

R-squared

0.905

type

hyperbolic

Operator History (from monthly production reports)

2024-06 — 2026-07 ROCKPORT ENERGY SOLUTIONS LLC 26 mo
2023-01 — 2024-05 OCTANE ENERGY OPERATING, LLC 17 mo
2018-02 — 2022-12 CAMBRIAN MANAGEMENT, LTD. 59 mo
2013-02 — 2018-01 HUNT OIL COMPANY 60 mo
2012-11 — 2013-01 OPAL RESOURCES OPERATING CO.,LLC 3 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2ROCKPORT ENERGY SOLUTIONS LLC113,0002012-07-18