BARTON 346

Oil · District 10 · Lease #7762

Operator: HIGHMARK ENERGY OPERATING, LLC

Cum Oil

249k BBL

Cum Gas

1.4M MCF

casinghead

Wells

4

Production

2007-01 — 2026-04

Peak Month

2008-07

Production History

Cum Oil: 249,416 BBL Cum Gas: 1,383,941 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

8,154 BBL/mo

Di (annual)

74.6%

b-factor

0.4

EUR

215,177 BBL

R-squared

0.874

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 (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6HHIGHMARK ENERGY OPERATING, LLC29,0002008-02-20
4HHIGHMARK ENERGY OPERATING, LLC29,0002007-02-26
5HHIGHMARK ENERGY OPERATING, LLC29,0002007-02-26
1HHIGHMARK ENERGY OPERATING, LLC19,0002006-10-16