Composite grease for rock bit bearings

Details Composite grease for rock bit bearings Composite grease for rock bit bearings

1980-10-06

1982-11-09

Metz, Andrew

Compositions

Electrolytes for electrical devices

175227, 175228, 308 82, C10M 514

Patent

active

043583849

ABSTRACT:
A rock bit for drilling subterranean formations is lubricated with a grease composition comprising molybdenum disulfide particles in the range of from 6 to 14% by weight, copper particles in the range of from 3 to 9% by weight, a metal soap thickener in the range of from 4 to 10% by weight, and a balance of primarily hydrocarbon oil.

REFERENCES:
patent: 2543741 (1951-02-01), Zweifel
patent: 2754266 (1956-07-01), Stegemeier et al.
patent: 3063941 (1962-11-01), Wilson
patent: 3423315 (1969-01-01), McCarthy et al.
patent: 3652414 (1972-03-01), Bergeron
patent: 3784264 (1974-01-01), Jackson
patent: 3801506 (1974-04-01), Cross
patent: 3935114 (1976-01-01), Donaho
patent: 4155860 (1979-05-01), Soucy
One Sheet of a Publication by Co-Mar Incorporated.

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