WEBB "A"

Oil // district 11 // lease#67608

op: VISTA RESOURCES, INC. (A)

cum_oil

27k BBL

cum_gas

0 MCF

wells

1

production

1996-08 — 2001-04

peak_month

1999-05

-- production_history

cum_oil: 26,935 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

3,281 BBL/mo

Di (annual)

975.6%

b-factor

1.0

EUR

25,198 BBL

R-squared

0.918

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PRIZE OPERATING COMPANY511,5002004-06-01
EOF // data source: Texas Railroad Commission // 2026