Apparatus for manufacturing ceramic microspheres for cementing applications
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United States of America Patent
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Oct 23, 2012
Grant Date -
Jun 16, 2011
app pub date -
Dec 17, 2010
filing date -
Dec 4, 2008
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Expired
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Abstract
A method and apparatus for manufacturing ceramic microspheres from industrial slag. The microspheres have a particle size of about 38 microns to about 150 microns. The microspheres are used to create a cement slurry having a density of at least about 11 lbs/g. The resultant cement slurry may then be used to treat subterranean wells.
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