FESTUS 648-661 B

Oil · District 8A · Lease #71027

Operator: RILEY PERMIAN OPERATING CO, LLC

Cum Oil

182k BBL

Cum Gas

200k MCF

casinghead

Wells

1

Production

2020-01 — 2026-04

Peak Month

2020-02

Production History

Cum Oil: 181,961 BBL Cum Gas: 199,892 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

10,709 BBL/mo

Di (annual)

115.6%

b-factor

0.5

EUR

215,026 BBL

R-squared

0.881

type

hyperbolic

Operator History (from monthly production reports)

2020-01 — 2026-07 RILEY PERMIAN OPERATING CO, LLC 79 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
36XHRILEY PERMIAN OPERATING CO, LLC29,0002019-06-14