发明名称 Cutting Element
摘要 A cutting element comprises a table of superhard material bonded to a substrate, wherein the table defines a cutting edge and has a chamfered peripheral edge, and a groove in a sidewall of the cutting element passes through the chamfered peripheral edge, so as to reduce the depth of the chamfer at the location of the groove.
申请公布号 US2015368981(A1) 申请公布日期 2015.12.24
申请号 US201414764088 申请日期 2014.01.28
申请人 NOV DOWNHOLE EURASIA LIMITED 发明人 Jiang Alan Honggen;Francis Mark Jonathan;Matthias Terry;Smith Haydn G.
分类号 E21B10/567;E21B10/54 主分类号 E21B10/567
代理机构 代理人
主权项 1. A cutting element comprising a table of superhard material bonded to a substrate, wherein the table defines a cutting edge and has a chamfered peripheral edge, and a groove in a sidewall of the cutting element passes through the chamfered peripheral edge, so as to reduce the depth or the chamfer at the location of the groove.
地址 Stonehouse, Gloucestershire GB