GRIFFIN 57

Oil · District 08 · Lease #47377

Operator: HIGHPEAK ENERGY HOLDINGS, LLC

Cum Oil

23k BBL

Cum Gas

6k MCF

casinghead

Wells

1

Production

2014-12 — 2026-02

Peak Month

2015-11

Production History

Cum Oil: 23,143 BBL Cum Gas: 5,746 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

806 BBL/mo

Di (annual)

75.4%

b-factor

0.4

EUR

20,995 BBL

R-squared

0.582

type

hyperbolic

Operator History (from monthly production reports)

2023-09 — 2026-07 HIGHPEAK ENERGY HOLDINGS, LLC 35 mo
2016-05 — 2023-08 HARMONIA PET OPERATIONS, LLC 88 mo
2014-12 — 2016-04 HARMONIA PETROLEUM CORPORATION 17 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HIGHPEAK ENERGY HOLDINGS, LLC19,0002014-10-17