CASEY, ETHEL MATTHEWS "A"

Oil · District 7B · Lease #29146

Operator: VAN OPERATING, LTD.

Cum Oil

2k BBL

Cum Gas

4k MCF

casinghead

Wells

1

Production

2002-07 — 2003-07

Peak Month

2002-07

Production History

Cum Oil: 1,632 BBL Cum Gas: 3,928 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

539 BBL/mo

Di (annual)

725.9%

b-factor

0.3

EUR

1,285 BBL

R-squared

0.927

type

hyperbolic

Operator History (from monthly production reports)

2002-07 — 2004-08 VAN OPERATING, LTD. 26 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4VAN OPERATING LTD.45,0002003-11-07