Apparatus and methods for use in cementing a casing string within a well bore
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United States of America Patent
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Dec 16, 1997
Issued Date -
N/A
app pub date -
Jan 27, 1997
filing date -
Nov 13, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention provides an apparatus in the form of a float shoe or collar for use in cementing a casing string within a well bore. The shoe or collar has blades extending therefrom for centering the shoe or collar, as well as the lower end of the casing string, within the well bore. The blades include jetting ports positioned therein for use in jetting the formation. In an alternative embodiment, the jetting ports are located between blades which are generally convoluted and extend circumferentially part-way around the perimeter of the apparatus.
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