GRIFFIN SOUTH 21

Oil · District 08 · Lease #47296

Operator: HIGHPEAK ENERGY HOLDINGS, LLC

Cum Oil

55k BBL

Cum Gas

42k MCF

casinghead

Wells

2

Production

2014-10 — 2022-05

Peak Month

2015-11

Production History

Cum Oil: 54,572 BBL Cum Gas: 41,647 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,031 BBL/mo

Di (annual)

52.4%

b-factor

0.0

EUR

23,585 BBL

R-squared

0.403

type

exponential

Operator History (from monthly production reports)

2018-04 — 2026-07 HIGHPEAK ENERGY HOLDINGS, LLC 100 mo
2016-05 — 2018-03 HARMONIA PET OPERATIONS, LLC 23 mo
2014-10 — 2016-04 HARMONIA PETROLEUM CORPORATION 19 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2HIGHPEAK ENERGY HOLDINGS LLC29,0002015-10-23
1HIGHPEAK ENERGY HOLDINGS LLC19,0002014-07-10