Crowns for earth-boring casing shoes, earth-boring casing shoes, and methods of forming earth-boring casing shoes
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United States of America Patent
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Jun 27, 2017
Grant Date -
Oct 9, 2014
app pub date -
Jun 20, 2014
filing date -
Apr 8, 2011
priority date (Note) -
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Abstract
Earth-boring casing shoes include a crown configured for at least one of drilling and reaming a wellbore when the crown is attached to a section of casing and the casing is advanced into a wellbore. The crown includes a body comprising a corrodible composite material, and at least one cutting structure carried on the body. The casing shoes further include a connection structure configured for attachment to a section of casing. Methods are used to form such casing shoes, and such casing shoes are used to install casing within wellbores.
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