公开(公告)号：US10605010B2

公开(公告)日：2020-03-31

申请号：US15971613

申请日：2018-05-04

申请人： VAREL EUROPE S.A.S.

发明人： Bruno Cuillier De Maindreville ,  Gilles Gallego ,  Anthony Salliou ,  Yves Cazalas ,  Vijayavelan Vijayabalan

IPC分类号： E21B10/573 ,  E21B10/42 ,  B23C3/16 ,  E21B10/633 ,  B23P15/28 ,  E21B10/567 ,  B23K1/00 ,  B22D23/06 ,  B22D19/06

摘要： A bit for drilling a wellbore includes: a shank having a coupling formed at an upper end thereof; a body mounted to a lower end of the shank; and a cutting face forming a lower end of the bit. The cutting face includes: a blade protruding from the body; a cutter including: a substrate mounted in a pocket formed in the blade; and a cutting table made from a superhard material, mounted to the substrate, and having a non-planar working face with a cutting feature; and a cutter orienting system including: a keyway formed in the substrate and angularly located opposite from the cutting feature; and a key formed in or mounted to the pocket and engaged with the keyway.

公开(公告)号：US20180355672A1

公开(公告)日：2018-12-13

申请号：US15971613

申请日：2018-05-04

申请人： VAREL EUROPE S.A.S.

发明人： Bruno Cuillier De Maindreville ,  Gilles Gallego ,  Anthony Salliou ,  Yves Cazalas ,  Vijayavelan Vijayabalan

IPC分类号： E21B10/573 ,  E21B10/42 ,  B23C3/16

CPC分类号： E21B10/573 ,  B22D19/06 ,  B22D23/06 ,  B23C3/16 ,  B23K1/0008 ,  E21B10/42

摘要： A bit for drilling a wellbore includes: a shank having a coupling formed at an upper end thereof; a body mounted to a lower end of the shank; and a cutting face forming a lower end of the bit. The cutting face includes: a blade protruding from the body; a cutter including: a substrate mounted in a pocket formed in the blade; and a cutting table made from a superhard material, mounted to the substrate, and having a non-planar working face with a cutting feature; and a cutter orienting system including: a keyway formed in the substrate and angularly located opposite from the cutting feature; and a key formed in or mounted to the pocket and engaged with the keyway.