公开(公告)号：US20140013671A1

公开(公告)日：2014-01-16

申请号：US14028328

申请日：2013-09-16

Applicant: SMITH INTERNATIONAL, INC.

Inventor： J. DANIEL BELNAP ,  GEORGIY VORONIN ,  FENG YU ,  PETER T. CARIVEAU ,  YOUHE ZHANG ,  YUELIN SHEN ,  GUODONG ZHAN

IPC: B24D3/10

CPC classification number: E21B10/55 ,  B01J3/062 ,  B01J2203/062 ,  B01J2203/0655 ,  B01J2203/0685 ,  B22F2003/244 ,  B22F2005/001 ,  B22F2998/10 ,  B22F2999/00 ,  B24D3/10 ,  C22C26/00 ,  C22C2026/006 ,  E21B10/567 ,  E21B10/5735 ,  B22F7/062 ,  B22F3/14 ,  B22F2207/01 ,  B22F2207/13 ,  B22F2207/17

Abstract: The present disclosure relates to cutting elements incorporating polycrystalline diamond bodies used for subterranean drilling applications, and more particularly, to polycrystalline diamond bodies having a high diamond content which are configured to provide improved properties of thermal stability and wear resistance, while maintaining a desired degree of impact resistance, when compared to prior polycrystalline diamond bodies. In various embodiments disclosed herein, a cutting element with high diamond content includes a modified PCD structure and/or a modified interface (between the PCD body and a substrate), to provide superior performance.