公开(公告)号：US20220112773A1

公开(公告)日：2022-04-14

申请号：US17560409

申请日：2021-12-23

Applicant: Schlumberger Technology Corporation

Inventor： Chen Chen ,  Huimin Song ,  Liang Zhao ,  Youhe Zhang ,  Michael G. Azar ,  Xiaoge Gan ,  Madapusi K. Keshavan ,  Zhijun Lin ,  Bala Durairajan ,  Michael L. Stewart

IPC: E21B10/567 ,  E21B10/573

Abstract: A cutting element may include a substrate and an ultrahard layer. A top surface of the ultrahard layer includes a peripheral edge extending around the cutting element, a cutting crest extending across a major dimension of the cutting element from a cutting edge at a first portion of the peripheral edge to a modified region at a central axis of the ultrahard layer, and a lateral portion extending across a minor dimension of the cutting element from the peripheral edge to the modified region. The modified region along the major dimension includes a concave cross-sectional shape. The lateral portion along the minor dimension from the peripheral edge to the modified region includes one or more of a linear shape and a convex shape, and the modified region along the minor dimension includes a planar shape perpendicular to the central axis.

公开(公告)号：US12031384B2

公开(公告)日：2024-07-09

申请号：US17560409

申请日：2021-12-23

Applicant: Schlumberger Technology Corporation

Inventor： Chen Chen ,  Huimin Song ,  Liang Zhao ,  Youhe Zhang ,  Michael G. Azar ,  Xiaoge Gan ,  Madapusi K. Keshavan ,  Zhijun Lin ,  Bala Durairajan ,  Michael L. Stewart

IPC: E21B10/56 ,  E21B10/567 ,  E21B10/573

CPC classification number: E21B10/5673 ,  E21B10/5735 ,  E21B10/56

Abstract: A cutting element may include a substrate and an ultrahard layer. A top surface of the ultrahard layer includes a peripheral edge extending around the cutting element, a cutting crest extending across a major dimension of the cutting element from a cutting edge at a first portion of the peripheral edge to a modified region at a central axis of the ultrahard layer, and a lateral portion extending across a minor dimension of the cutting element from the peripheral edge to the modified region. The modified region along the major dimension includes a concave cross-sectional shape. The lateral portion along the minor dimension from the peripheral edge to the modified region includes one or more of a linear shape and a convex shape, and the modified region along the minor dimension includes a planar shape perpendicular to the central axis.