Lubricated diamond bearing drill bit
作者： Terry J. Koltermann , Aaron J. Dick
DOI:
关键词: Lubricant 、 Diamond 、 Materials science 、 Ethylene glycol 、 Surface film 、 Glycerol 、 Drill bit 、 Composite material 、 Polyol 、 Bearing (mechanical)
摘要: A method for lubricating a diamond bearing system of downhole well tool involves dispensing polyol lubricant the reduction friction between two surfaces. The forms reduced surface film on diamond. may be mixed with water. contain ethylene glycol, glycerol, or combination
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