FESTUS 648-661 W

Oil · District 8A · Lease #70898

Operator: RILEY PERMIAN OPERATING CO, LLC

Cum Oil

325k BBL

Cum Gas

532k MCF

casinghead

Wells

1

Production

2019-02 — 2026-04

Peak Month

2019-04

Production History

Cum Oil: 325,312 BBL Cum Gas: 532,274 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

15,901 BBL/mo

Di (annual)

244.2%

b-factor

1.3

EUR

579,647 BBL

R-squared

0.948

type

hyperbolic

Operator History (from monthly production reports)

2019-02 — 2026-07 RILEY PERMIAN OPERATING CO, LLC 90 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4XHRILEY PERMIAN OPERATING CO, LLC19,0002018-09-27