Hard surfacing for oil well tools

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

1980-05-01

1981-07-07

Footland, Lenard A.

Cutlery

308241, F16C 2902

Patent

active

042771080

ABSTRACT:
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.

REFERENCES:
patent: 2709213 (1955-05-01), Gibson
patent: 3800891 (1974-04-01), White et al.
patent: 4043611 (1977-08-01), Wallace

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