Precast prerotation basin system
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United States of America Patent
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Feb 16, 1999
Grant Date -
N/A
app pub date -
Apr 25, 1997
filing date -
Apr 25, 1996
priority date (Note) -
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Abstract
A precast prerotation basin system for use in a wet well for removing water or fluid therefrom is disclosed which comprises a prefabricated, three-dimensional body having a prerotation basin and fluid entrance channel. The precast prerotation basin presents an improvement over prior methods of forming prerotation basins downhole in a wet well because the basin system of the present invention is prefabricated, easily transportable and can be placed in a wet well without the need for providing a cement casing or floor beforehand. The precast prerotation basin of the present invention is pre-structured for accurate alignment of a centrifugal pump therein and eliminates the cost and inaccuracies of forming prerotation basins from molding cement downhole.
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