HLAVINKA

Oil · District 03 · Lease #24654

Operator: SUE-ANN OPERATING, L.C.

Cum Oil

184k BBL

Cum Gas

7k MCF

casinghead

Wells

4

Production

2005-01 — 2026-03

Peak Month

2005-05

Production History

Cum Oil: 183,835 BBL Cum Gas: 6,741 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,307 BBL/mo

Di (annual)

23.7%

b-factor

0.1

EUR

129,645 BBL

R-squared

0.753

type

hyperbolic

Operator History (from monthly production reports)

2026-01 — 2026-07 CHAROLAIS ENERGY, LLC 7 mo
2022-02 — 2025-12 HOWARD EXPLORATION, INC. 47 mo
2009-11 — 2022-01 JMM ENERGY LLC 147 mo
2009-09 — 2009-10 SUE-ANN OPERATING, L.C. 2 mo
2005-01 — 2009-08 ALLEGRO INVESTMENTS, INC. 56 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5CHAROLAIS ENERGY, LLC34,2002011-12-08
5ACHAROLAIS ENERGY, LLC34,2002011-12-08
1CHAROLAIS ENERGY, LLC25,0002006-10-27
3CHAROLAIS ENERGY, LLC14,7002004-11-19