POWELL, KENNETH L. ESTATE

Oil · District 10 · Lease #5946

Operator: RIO PETROLEUM, INC.

Cum Oil

1.9M BBL

Cum Gas

22 MCF

casinghead

Wells

3

Production

1993-01 — 2026-04

Peak Month

2001-03

Production History

Cum Oil: 1,873,659 BBL Cum Gas: 22 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

8,942 BBL/mo

Di (annual)

8.1%

b-factor

0.0

EUR

1,299,577 BBL

R-squared

0.780

type

exponential

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
1993-01 — 2000-03 EXXON CORP. 87 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3HIGH RIVER RES OPERATING, LLC16,5502012-01-03
2HIGH RIVER RES OPERATING, LLC17,0001985-01-15
1HIGH RIVER RES OPERATING, LLC17,1501984-07-30