Hard surfacing for oil well tools

Details Hard surfacing for oil well tools Hard surfacing for oil well tools

B - Operations, Transporting

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B23K 9/04 (2006.01) B23K 31/02 (2006.01) B23K 35/32 (2006.01) E21B 17/02 (2006.01) E21B 17/04 (2006.01) E21B 17/10 (2006.01)

Patent

CA 1144435

ABSTRACT OF THE DISCLOSURE A method is disclosed for applying to rotating well drilling parts such as tool joints a multiple layer of hardbanding materials to provide extended wear service for the well tools without incurring any of the accompanying spalling normally associated with heavy layers of hardbanding.

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