Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
February 8, 2011
Patent Application Number
12327831
Date Filed
December 4, 2008
Patent Primary Examiner
Patent 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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