Sintered spherical pellets

Details Sintered spherical pellets Sintered spherical pellets

E - Fixed Constructions

21

B

E21B 43/267 (2006.01)

Patent

CA 2577998

Sintered, spherical composite pellets or particles comprising alumina fines, at least one of clay and bauxite and optionally a sintering aid, are described, along with a process for their manufacture. The use of such pellets in hydraulic fracturing of subterranean formations and in grinding is also described.

L'invention concerne des granules ou des particules sphériques composites frittées comprenant des fines d'aluminium, au moins de l'argile ou de la bauxite et éventuellement un auxiliaire de frittage, ainsi que leur procédé de production. On utilise ces granules dans la fracturation hydraulique de formations souterraines et dans le broyage.

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