MARCHBANKS 28-16 A UNIT D

Oil · District 08 · Lease #58364

Operator: HIGHPEAK ENERGY HOLDINGS, LLC

Cum Oil

134k BBL

Cum Gas

269k MCF

casinghead

Wells

1

Production

2022-11 — 2026-04

Peak Month

2023-05

Production History

Cum Oil: 133,740 BBL Cum Gas: 268,543 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

7,574 BBL/mo

Di (annual)

85.2%

b-factor

0.5

EUR

203,903 BBL

R-squared

0.869

type

hyperbolic

Operator History (from monthly production reports)

2022-11 — 2026-07 HIGHPEAK ENERGY HOLDINGS, LLC 45 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
D 3HHIGHPEAK ENERGY HOLDINGS, LLC38,5002022-07-18