Method for hardfacing roller cone drill bit legs

Details Method for hardfacing roller cone drill bit legs Method for hardfacing roller cone drill bit legs

E - Fixed Constructions

21

B

E21B 10/08 (2006.01) B23P 15/28 (2006.01) C23C 4/00 (2006.01) C23C 30/00 (2006.01) E21B 10/50 (2006.01)

Patent

CA 2383657

A method is-disclosed for applying hardfacing to a shirttail portion of a roller cone drill bit, including masking around the shirttail portion of the bit and operating a high pressure/high velocity oxygen fuel torch to apply the hardfacing to the shirttail portion.

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