MALANEY 498

Oil · District 10 · Lease #8163

Operator: HIGHMARK ENERGY OPERATING, LLC

Cum Oil

30k BBL

Cum Gas

742k MCF

casinghead

Wells

1

Production

2010-06 — 2026-04

Peak Month

2010-07

Production History

Cum Oil: 29,522 BBL Cum Gas: 741,539 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,048 BBL/mo

Di (annual)

348.4%

b-factor

0.8

EUR

25,076 BBL

R-squared

0.889

type

hyperbolic

Operator History (from monthly production reports)

2022-02 — 2026-07 HIGHMARK ENERGY OPERATING, LLC 54 mo
2010-06 — 2022-01 EOG RESOURCES, INC. 140 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2HHIGHMARK ENERGY OPERATING, LLC29,0002010-03-16