Top drive Floating Cushion Sub
Top drive floating cushion sub an important tool in drilling operation. It is suit to the drilling process in oil, gas and geological exploration. Mainly used for top drive drilling operation. It can increase the working life of bearing and gear in top drive rotary box. Specification of Top drive Floating Cushion Sub OD mm(inch) Upper Conn. Lower Conn. Lifting Force(T) Torque (KN • m) Stroke Mm(inch) OAL mm(inch) DQFC381(15) 6 5/8REG NC50 150 50 76(3) 798(30 13/32)