Abstract
A method and apparatus for manufacturing ceramic microspheres from industrial slag. The micro spheres 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 Illbs/g. The resultant cement slurry may then be used to treat subterranean wells.
Original language | English |
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Patent number | US8291727 |
Publication status | Published - 23 Oct 2012 |