HUNTER 676

Oil · District 10 · Lease #7734

Operator: HIGHMARK ENERGY OPERATING, LLC

Cum Oil

214k BBL

Cum Gas

982k MCF

casinghead

Wells

2

Production

2007-01 — 2026-04

Peak Month

2008-03

Production History

Cum Oil: 214,317 BBL Cum Gas: 981,793 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

5,922 BBL/mo

Di (annual)

178.8%

b-factor

1.2

EUR

235,203 BBL

R-squared

0.865

type

hyperbolic

Operator History (from monthly production reports)

2022-02 — 2026-07 HIGHMARK ENERGY OPERATING, LLC 54 mo
2007-01 — 2022-01 EOG RESOURCES, INC. 181 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3HHIGHMARK ENERGY OPERATING, LLC19,0002007-10-24
2HHIGHMARK ENERGY OPERATING, LLC19,0002006-10-06