SLASH "B"

Oil // district 10 // lease#30897

op: WISER OIL COMPANY, THE

cum_oil

161k BBL

cum_gas

0 MCF

wells

4

production

1993-01 — 2008-04

peak_month

2001-03

-- production_history

cum_oil: 160,745 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

998 BBL/mo

Di (annual)

9.1%

b-factor

0.0

EUR

130,666 BBL

R-squared

0.346

type

exponential

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3PARKER & PARSLEY PETROLEUM CO.26,7002006-07-31
4WISER OIL COMPANY, THE26,7002001-03-06
2PARKER & PARSLEY PETROLEUM CO.16,7001986-12-03
1PARKER & PARSLEY PETROLEUM CO.16,6001986-07-31
EOF // data source: Texas Railroad Commission // 2026