Bearings grease for rock bit bearings

Details Bearings grease for rock bit bearings Bearings grease for rock bit bearings

1990-10-16

1991-05-14

Willis, Prince E.

Compositions

Electrolytes for electrical devices

175227, C10M12518, C10M12522

Patent

active

050154010

ABSTRACT:
A heavy duty lubricating grease as shown which includes a multi-purpose heavy duty hydrocarbonaceous lubricant thickened by an alkaline soap to form a lubricating grease, molybdenum disulfide and powdered calcium fluoride. The heavy duty grease can be used in a journal bearing of a drill bit in heavy duty, high temperature applications, such as journal bearings on its used to drill hot subterranean formations.

REFERENCES:
patent: 3170878 (1965-02-01), Armstrong
patent: 3344065 (1967-09-01), Gansheimer et al.
patent: 3652414 (1972-03-01), Bergeron
patent: 3705450 (1972-12-01), Morisaki
patent: 3746352 (1973-07-01), Bao et al.
patent: 3935114 (1976-01-01), Donaho, Jr.
patent: 4358384 (1982-11-01), Newcomb
patent: 4434063 (1984-02-01), Kageyama et al.
Robert L. Fusaro and Harold E. Sliney, Graphite Fluoride--A New Solid Lubricant.

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