E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 10/00 (2006.01) E21B 10/54 (2006.01)
Patent
CA 2709672
Earth-boring tools for drilling subterranean formations include a particle-matrix composite material comprising a plurality of silicon carbide particles dispersed throughout a matrix material, such as, for example, an aluminum or aluminum-based alloy. In some embodiments, the silicon carbide particles comprise an ABC-SiC material. Methods of manufacturing such tools include providing a plurality of silicon carbide particles within a matrix material. Optionally, the silicon carbide particles may comprise ABC-SiC material, and the ABC-SiC material may be toughened to increase a fracture toughness exhibited by the ABC-SiC material. In some methods, at least one of an infiltration process and a powder compaction and consolidation process may be employed.
Des outils de forage du sol permettant de forer des formations souterraines contiennent un matériau composite à matrice de particules contenant une pluralité de particules de carbure de silicium dispersées dans l'ensemble d'un matériau à matrice tel que, par exemple, un aluminium ou un alliage à base d'aluminium. Dans certains modes de réalisation, les particules de carbure de silicium contiennent un matériau ABC-SiC. Des procédés de fabrication de ces outils comprennent l'étape consistant à incorporer une pluralité de particules de carbure de silicium dans un matériau à matrice. Eventuellement, les particules de carbure de silicium peuvent contenir un matériau ABC-SiC et le matériau ABC-SiC peut être trempé de façon à accroître la ténacité à la rupture du matériau ABC-SiC. Dans certains procédés, il est possible d'utiliser un processus d'infiltration et/ou un compactage de poudre et/ou un processus de consolidation.
Chrest Benjamin J.
Duggan James
Eason Jimmy W.
Gladney Jared D.
Lyons Nicholas J.
Baker Hughes Incorporated
Sim & Mcburney
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