POWELL D-3 UNIT

Oil · District 10 · Lease #7195

Operator: RIO PETROLEUM, INC.

Cum Oil

408k BBL

Cum Gas

0 MCF

Wells

2

Production

1997-05 — 2026-04

Peak Month

1997-08

Production History

Cum Oil: 407,977 BBL Cum Gas: 0 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

5,675 BBL/mo

Di (annual)

31.5%

b-factor

0.6

EUR

427,145 BBL

R-squared

0.888

type

hyperbolic

Operator History (from monthly production reports)

2025-11 — 2026-07 HIGH RIVER RES OPERATING, LLC 9 mo
2008-06 — 2025-10 RIO PETROLEUM, INC. 209 mo
2000-04 — 2008-05 EXXON MOBIL CORPORATION 98 mo
1997-05 — 2000-03 EXXON CORP. 35 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HIGH RIVER RES OPERATING, LLC26,6001996-12-03
3HIGH RIVER RES OPERATING, LLC26,6001996-12-03