Composite grease for rock bit bearings

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

E - Fixed Constructions

21

B

253/23, 255/77

E21B 10/24 (2006.01) C10M 169/06 (2006.01)

Patent

CA 1161421

13248:RDS COMPOSITE GREASE FOR ROCK BIT BEARINGS . . 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.

384428

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