FESTUS 648-661 E

Oil · District 8A · Lease #70902

Operator: RILEY PERMIAN OPERATING CO, LLC

Cum Oil

278k BBL

Cum Gas

483k MCF

casinghead

Wells

1

Production

2019-02 — 2026-04

Peak Month

2019-05

Production History

Cum Oil: 278,095 BBL Cum Gas: 483,291 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

9,088 BBL/mo

Di (annual)

73.7%

b-factor

0.8

EUR

424,860 BBL

R-squared

0.800

type

hyperbolic

Operator History (from monthly production reports)

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

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3XHRILEY PERMIAN OPERATING CO, LLC19,0002018-09-27