公开(公告)号：US20240003193A1

公开(公告)日：2024-01-04

申请号：US18469614

申请日：2023-09-19

Applicant: Schlumberger Technology Corporation

Inventor： Huimin Song ,  Xiaoge Gan ,  Zhijun Lin ,  Ke Chen

IPC: E21B10/567 ,  E21B10/573 ,  E21B10/55

CPC classification number: E21B10/5673 ,  E21B10/5735 ,  E21B10/55 ,  B22F2005/001

Abstract: A cutting element may include a substrate; and an ultrahard layer on the substrate, the substrate and the ultrahard layer defining a non-planar working surface of the cutting element such that the ultrahard layer forms a cutting portion and the substrate is at least laterally adjacent to the ultrahard layer. Another cutting element includes a pointed region having a side surface extending from the pointed region outer perimeter to a peak. An ultrahard material body forms a portion of the pointed region including the peak, and a base region extends a depth from the pointed region outer perimeter. The ultrahard material body has a height to width aspect ratio with the height and width measured between two points of the body having the greatest distance apart along a dimension parallel with a longitudinal axis (i.e., height) along a dimension perpendicular to the longitudinal axis (i.e., width).

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.