SHENANDOAH 639-670

Oil · District 8A · Lease #71109

Operator: RILEY PERMIAN OPERATING CO, LLC

Cum Oil

791k BBL

Cum Gas

1.8M MCF

casinghead

Wells

3

Production

2020-02 — 2026-04

Peak Month

2024-10

Production History

Cum Oil: 791,376 BBL Cum Gas: 1,772,768 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

29,263 BBL/mo

Di (annual)

133.6%

b-factor

1.0

EUR

1,108,722 BBL

R-squared

0.975

type

hyperbolic

Operator History (from monthly production reports)

2020-02 — 2026-07 RILEY PERMIAN OPERATING CO, LLC 78 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5XHRILEY PERMIAN OPERATING CO, LLC29,0002024-01-16
6XHRILEY PERMIAN OPERATING CO, LLC19,0002022-04-01
8XHRILEY PERMIAN OPERATING CO, LLC29,0002020-01-17