SHENANDOAH 639-670 E

Oil · District 8A · Lease #71226

Operator: RILEY PERMIAN OPERATING CO, LLC

Cum Oil

525k BBL

Cum Gas

1.2M MCF

casinghead

Wells

2

Production

2022-02 — 2026-04

Peak Month

2024-12

Production History

Cum Oil: 525,288 BBL Cum Gas: 1,181,709 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

21,372 BBL/mo

Di (annual)

126.1%

b-factor

1.7

EUR

1,708,554 BBL

R-squared

0.940

type

hyperbolic

Operator History (from monthly production reports)

2022-02 — 2026-07 RILEY PERMIAN OPERATING CO, LLC 54 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4XHRILEY PERMIAN OPERATING CO, LLC29,0002024-01-16
3XHRILEY PERMIAN OPERATING CO, LLC39,0002021-09-30