Cutting insert and milling tool for use in a wellbore

Details Cutting insert and milling tool for use in a wellbore Cutting insert and milling tool for use in a wellbore

E - Fixed Constructions

21

B

E21B 29/00 (2006.01) E21B 10/56 (2006.01)

Patent

CA 2300834

A cutting insert for a tool for wellbore milling operations, the cutting insert comprising: a body having a top; a plurality of spaced-apart chipbreaking indentations in the top of the body and a strengthening ridge projecting from the top of the body between adjacent chipbreaking indentations of the plurality of spaced-apart chipbreaking indentations.

La présente invention concerne une pièce rapportée tranchante (610) pour une fraise conçue pour les opérations de fraisage dans les puits de forage, la pièce rapportée (610) comportant: un corps (612) pourvu d'une partie supérieure, une pluralité d'entailles brise-copeaux espacées (614) disposées au niveau de la partie supérieure du corps, et une arête de renforcement (618) faisant saillie depuis le sommet du corps, entre les indentations brise-copeaux adjacentes de la pluralité d'indentations brise-copeaux espacées.

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