ELLWOOD "A" 28

Oil // district 11 // lease#68004

op: WISER OIL COMPANY, THE

cum_oil

5k BBL

cum_gas

0 MCF

wells

1

production

1998-09 — 2003-08

peak_month

1998-10

-- production_history

cum_oil: 4,866 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

925 BBL/mo

Di (annual)

79.6%

b-factor

0.0

EUR

13,939 BBL

R-squared

0.327

type

exponential

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1WISER OIL COMPANY, THE410,4002009-01-26
EOF // data source: Texas Railroad Commission // 2026