B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 18/00 (2006.01) C04B 35/01 (2006.01) C04B 35/64 (2006.01) C04B 41/00 (2006.01) C09G 1/02 (2006.01) C09K 5/14 (2006.01) C09K 8/80 (2006.01) E21B 43/267 (2006.01)
Patent
CA 2684233
One embodiment of the present invention relates to spherical ceramic elements, such as proppants, for maintaining permeability in subterranean formations to facilitate extraction of oil and gas therefrom. The strength of the ceramic element may be enhanced by combining materials having different coefficients of thermal expansion. Methods of making the ceramic elements are also disclosed.
Un mode de réalisation de la présente invention concerne des éléments sphériques en céramique, tels que des agents de soutènement, destinés à maintenir la perméabilité dans des formations souterraines pour faciliter l'extraction d'huile et de gaz de celles-ci. La résistance de l'élément en céramique peut être améliorée par combinaison de matériaux ayant différents coefficients d'expansion thermique. Des procédés de fabrication des éléments en céramique sont également décrits.
Dickson Kevin R.
Fuss Tihana
Stephens Walter T.
Gowling Lafleur Henderson Llp
Saint-Gobain Ceramics & Plastics Inc.
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