Methods of hardbanding joints of pipe using friction stir welding

Methods of hardbanding joints of pipe using friction stir welding

  • CN 102,170,992 A
  • Filed: 08/13/2009
  • Published: 08/31/2011
  • Est. Priority Date: 08/14/2008
  • Status: Active Application
First Claim
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1. the instrument in being used in wellbore operations applies the method that wearing and tearing reduce material, comprises the steps:

  • With the surface that the hardened face gold alloy solder is received instrument, wherein said welding comprises the alloy friction stir in the surface of instrument.

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