Invention Grant
- Patent Title: Methods of hardbanding joints of pipe using friction stir welding
- Patent Title (中): 使用摩擦搅拌焊接管接头的接头方法
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Application No.: US12541651Application Date: 2009-08-14
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Publication No.: US08763881B2Publication Date: 2014-07-01
- Inventor: Madapusi K. Keshavan , Russell J Steel , Cary A. Roth , Shelton W. Alsup
- Applicant: Madapusi K. Keshavan , Russell J Steel , Cary A. Roth , Shelton W. Alsup
- 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: B23K20/12
- IPC: B23K20/12
Abstract:
A method for applying a wear reducing material to a tool used in a wellbore operation that includes welding a hardfacing alloy to a surface of the tool, wherein the welding comprises friction stirring the alloy into the tool's surface is disclosed. Methods of welding a preformed sleeve or width of wear reducing material using friction stirring are also disclosed.
Public/Granted literature
- US20100038407A1 METHODS OF HARDBANDING JOINTS OF PIPE USING FRICTION STIR WELDING Public/Granted day:2010-02-18
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