A drill bit with a hybrid cutter profile

Details A drill bit with a hybrid cutter profile A drill bit with a hybrid cutter profile

E - Fixed Constructions

21

B

E21B 10/54 (2006.01) E21B 10/62 (2006.01)

Patent

CA 2758348

A drill bit is disclosed that in one aspect may include a bit body having a plurality of blade profiles thereon, a first plurality of cutting elements disposed on each blade such that at least one cutting element on a first section of each blade profile is offset relative to at least one cutting element on a second section of each blade profile so as to increase lateral stability of the drill relative to the drill bit without an offset.

L'invention concerne un outil de forage qui, selon un aspect, peut comprendre un corps d'outil présentant une pluralité de profils de lames, une première pluralité d'éléments de coupe étant disposée sur chaque lame de sorte qu'au moins un élément de coupe sur une première section de chaque profil de lame soit décalé par rapport à au moins un élément de coupe sur une seconde section de chaque profil de lame afin d'augmenter la stabilité latérale du foret par rapport à l'outil de forage sans décalage.

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