CNB TRUSTEES 360

Oil · District 10 · Lease #7490

Operator: HIGHMARK ENERGY OPERATING, LLC

Cum Oil

209k BBL

Cum Gas

2.2M MCF

casinghead

Wells

4

Production

2004-01 — 2026-04

Peak Month

2010-01

Production History

Cum Oil: 208,950 BBL Cum Gas: 2,200,989 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

7,168 BBL/mo

Di (annual)

108.5%

b-factor

0.7

EUR

209,258 BBL

R-squared

0.915

type

hyperbolic

Operator History (from monthly production reports)

2022-02 — 2026-07 HIGHMARK ENERGY OPERATING, LLC 54 mo
2004-01 — 2022-01 EOG RESOURCES, INC. 217 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4HHIGHMARK ENERGY OPERATING, LLC29,0002008-12-22
5HHIGHMARK ENERGY OPERATING, LLC19,0002008-12-22
3HHIGHMARK ENERGY OPERATING, LLC19,0002008-04-22
2HIGHMARK ENERGY OPERATING, LLC18,3302003-10-02