JOHNS, E. S. ESTATE

Oil // district 4 // lease#13465

op: VIRTEX OPERATING COMPANY, INC.

cum_oil

1k BBL

cum_gas

0 MCF

wells

1

production

2007-10 — 2009-04

peak_month

2007-11

-- production_history

cum_oil: 1,385 BBL cum_gas: 0 MCF

-- 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

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
9VIRTEX PETROLEUM COMPANY, INC.27,8002007-04-09
EOF // data source: Texas Railroad Commission // 2026