Ceramic microspheres for cementing applications

G. Quercia Bianchi (Inventor), Y. Perera (Inventor), A. Blanco (Inventor), F. Pereira (Inventor)

Research output: PatentPatent publication

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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.
Original languageEnglish
Patent numberCA2674963
Publication statusPublished - 4 Jun 2010


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