LATHEM

Oil · District 10 · Lease #5429

Operator: RIO PETROLEUM, INC.

Cum Oil

207k BBL

Cum Gas

22 MCF

casinghead

Wells

1

Production

1993-01 — 2018-10

Peak Month

1994-04

Production History

Cum Oil: 206,924 BBL Cum Gas: 22 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,566 BBL/mo

Di (annual)

8.5%

b-factor

0.0

EUR

217,734 BBL

R-squared

0.684

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 (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HIGH RIVER RES OPERATING LLC19,5001983-01-26