CUTTING ELEMENTS, METHODS FOR MANUFACTURING SUCH CUTTING ELEMENTS, AND TOOLS INCORPORATING SUCH CUTTING ELEMENTS

Title:

CUTTING ELEMENTS, METHODS FOR MANUFACTURING SUCH CUTTING ELEMENTS, AND TOOLS INCORPORATING SUCH CUTTING ELEMENTS

Document Type and Number:

WIPO Patent Application WO/2010/135605

Kind Code:

A3

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, hi 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.

Inventors:

BELNAP J DANIEL (US)
VORONIN GEORGIY (US)
YU FENG (US)
CARIVEAU PETER T (US)
ZHANG YOUHE (US)
SHEN YUELIN (US)
ZHAN GUODONG (US)

Application Number:

PCT/US2010/035686

Publication Date:

March 03, 2011

Filing Date:

May 20, 2010

Export Citation:

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Assignee:

SMITH INTERNATIONAL (US)
BELNAP J DANIEL (US)
VORONIN GEORGIY (US)
YU FENG (US)
CARIVEAU PETER T (US)
ZHANG YOUHE (US)
SHEN YUELIN (US)
ZHAN GUODONG (US)

International Classes:

E21B10/46; B22F7/06; E21B10/42; E21B10/54

Foreign References:

US7493973B2	2009-02-24
US7517589B2	2009-04-14
US7350601B2	2008-04-01
US20070284152A1	2007-12-13

Other References: