CUTTING INSERT AND MILLING TOOL FOR USE IN A WELLBORE

摘要

A cutting insert (610) for a tool for wellbore milling operations, the cutting insert (610) comprising: a body (612) having a top; a plurality of spacedapart chipbreaking indentations (614) in the top of the body; and a strengthening ridge (618) projecting from the top of the body between adjacent chipbreaking indentations of the plurality of spaced-apart chipbreaking indentations.