GLASS 112

Oil · District 10 · Lease #8147

Operator: HIGHMARK ENERGY OPERATING, LLC

Cum Oil

64k BBL

Cum Gas

448k MCF

casinghead

Wells

1

Production

2010-05 — 2026-04

Peak Month

2010-06

Production History

Cum Oil: 63,840 BBL Cum Gas: 448,183 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,072 BBL/mo

Di (annual)

218.4%

b-factor

1.0

EUR

53,555 BBL

R-squared

0.761

type

hyperbolic

Operator History (from monthly production reports)

2022-02 — 2026-07 HIGHMARK ENERGY OPERATING, LLC 54 mo
2010-05 — 2022-01 EOG RESOURCES, INC. 141 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HHIGHMARK ENERGY OPERATING, LLC19,0002010-02-08