SEALY -90-

Oil // district 10 // lease#34800

op: VISTA RESOURCES, INC. (A)

cum_oil

140k BBL

cum_gas

0 MCF

wells

6

production

1995-12 — 2026-03

peak_month

1997-12

-- production_history

cum_oil: 140,143 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,078 BBL/mo

Di (annual)

41.0%

b-factor

0.5

EUR

110,859 BBL

R-squared

0.661

type

hyperbolic

-- wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8IP PETROLEUM COMPANY, INC.17,9001998-04-27
7IP PETROLEUM COMPANY, INC.27,8001997-12-08
6IP PETROLEUM COMPANY, INC.17,4001997-08-28
5IP PETROLEUM COMPANY, INC.17,4001997-02-26
2IP PETROLEUM COMPANY, INC.17,4001995-12-27
1IP PETROLEUM COMPANY, INC.17,2001995-10-16
EOF // data source: Texas Railroad Commission // 2026