MS. BETTYE

Oil · District 09 · Lease #28161

Operator: RIO PETROLEUM, INC.

Fields: RIO (CHAPPEL)

Cum Oil

1.0M BBL

Cum Gas

21 MCF

casinghead

Wells

2

Production

1993-01 — 2026-04

Peak Month

1997-09

Production History

Cum Oil: 1,003,652 BBL Cum Gas: 21 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

12,323 BBL/mo

Di (annual)

16.0%

b-factor

0.0

EUR

925,807 BBL

R-squared

0.417

type

exponential

Operator History (from monthly production reports)

1993-01 — 2026-07 RIO PETROLEUM, INC. 403 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1136RIO PETROLEUM, INC.28,8002000-10-04
3136RIO PETROLEUM, INC.18,8001996-03-08