Specialized metallurgical processes – compositions for use therei – Processes – Free metal or alloy reductant contains magnesium
Patent
1980-05-12
1982-06-29
Stallard, W.
Specialized metallurgical processes, compositions for use therei
Processes
Free metal or alloy reductant contains magnesium
75128C, 75128W, 308 4A, C22C 3822, C22C 3824, C22C 3838, C22C 3840
Patent
active
043370888
ABSTRACT:
Present invention relates to the manufacture of any type of stabilizer for use in the rotary drilling of oil wells when the stabilizer is made of non-magnetic metals, more specifically Nitronic 60 and/or Nitronic.sup.2 50 having wear resistant and anti-galling characteristics.
REFERENCES:
patent: 3112195 (1963-11-01), Souresny
patent: 3592634 (1971-07-01), Denhard, Jr. et al.
patent: 3912503 (1975-10-01), Schumacher et al.
Matthews Guy E.
Schultz Leland D.
Stallard W.
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