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WH461-6

● 6 straight blades, polished cutters could decrease shearing stress, improve the condition of cuttings immigration, and increase ROP.
● Cutters with non-plat cutting face can efficiently absorb large loading stress and prolong the fracture & wear of cutters.                                                                            
● Having the maximum areas of junk slot could clean the bit effectively, and large inclined angle of the nozzles could improve the hydraulic power of bit which is good to increase the ROP.
● Could be drove by rotary plate and down-hole motor.
● Be suitable for the soft to  medium hard formation. High ratio of water power is recommended.  

 

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