JOHNS, E. S. ESTATE

Oil · District 04 · Lease #13465

Operator: VIRTEX OPERATING COMPANY, INC.

Cum Oil

1k BBL

Cum Gas

18k MCF

casinghead

Wells

1

Production

2007-10 — 2008-12

Peak Month

2007-11

Production History

Cum Oil: 1,385 BBL Cum Gas: 18,046 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

280 BBL/mo

Di (annual)

305.7%

b-factor

0.0

EUR

1,101 BBL

R-squared

0.815

type

exponential

Operator History (from monthly production reports)

2007-10 — 2009-04 VIRTEX OPERATING COMPANY, INC. 19 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
9LEWIS PETRO PROPERTIES, INC.27,8002007-04-09