WEBB

Oil // district 11 // lease#65843

op: VISTA RESOURCES, INC. (A)

cum_oil

116k BBL

cum_gas

0 MCF

wells

2

production

1993-01 — 2014-10

peak_month

1999-07

-- production_history

cum_oil: 115,832 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

4,044 BBL/mo

Di (annual)

164.8%

b-factor

0.6

EUR

68,264 BBL

R-squared

0.771

type

hyperbolic

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1XVISTA RESOURCES, INC. (A)311,8002000-07-18
2GRAHAM ROYALTY, LTD.19,8001986-05-17
EOF // data source: Texas Railroad Commission // 2026