Invention Grant
- Patent Title: Tough carbide bodies using encapsulated carbides
- Patent Title (中): 使用包封碳化物的硬质合金体
-
Application No.: US12539412Application Date: 2009-08-11
-
Publication No.: US08342268B2Publication Date: 2013-01-01
- Inventor: Alan W. Lockstedt , Gregory T. Lockwood
- Applicant: Alan W. Lockstedt , Gregory T. Lockwood
- Applicant Address: US TX Houston
- Assignee: Smith International, Inc.
- Current Assignee: Smith International, Inc.
- Current Assignee Address: US TX Houston
- Agency: Osha Liang LLP
- Main IPC: E21B10/46
- IPC: E21B10/46
Abstract:
A drill bit that includes a bit body having a plurality of blades extending radially therefrom, wherein at least a portion of the bit body comprises a first matrix region comprising a plurality of primary carbide particles having an average mean free path of at least about 10 microns; and at least one cutting element for engaging a formation disposed on at least one of the plurality of blades is disclosed.
Public/Granted literature
- US20100038147A1 TOUGH CARBIDE BODIES USING ENCAPSULATED CARBIDES Public/Granted day:2010-02-18
Information query
