Method of manufacturing nonmagnetic drilling string components

Details Method of manufacturing nonmagnetic drilling string components Method of manufacturing nonmagnetic drilling string components

1988-07-15

1990-04-24

Yee, Deborah

Metal treatment

Compositions

Heat treating

148 124, 148 12R, C21D 800

Patent

active

049197282

ABSTRACT:
The method of manufacturing nonmagnetic drilling string components, especially heavy duty drill-stems for exploratory bores, e.g. for deposits of crude oil and/or natural gas deposits, such as directional bores or the like, includes the step of melting and allowing to solidify an alloy consisting essentially of, each in percent by weight:

REFERENCES:
patent: 4472207 (1984-09-01), Kinoshita et al.

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