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        • Product: 8-1/2" GS1615S
        • Register Date: 2015-02-12
        • Views : 321

          Product Parameter  
          Bit Type 8-1/2" GS1615S
          IADC Code S223
          Number of Blade 5
          Primary Cutter Size Φ16 mm
          Nozzle Qty.&Type 7NZ
          Gauge Length 45 mm
          Connection 4-1/2" API REG
          Make up Torque 24.1~26.5 KN·m
          Operating Parameters  
          Rotary Speed 60~260 rpm
          Weight on Bit 20~100 KN
          Max. WOB 130 KN
          Flow Rate 22~35 lps
          Features Spiral five blades design, the rational allocation of different functions medium size cutters, so that the PDC bit has a strong offensive and abrasive resistance. High quality arc PDC cutter gauge, reduce the abrasion of rock on the bit’s body, increase wear resistance and stability of the drill gauge. Brazing high wear resistance PDC cutters at specific angle, when resistance during trip-out and back reaming in easy shrinking interval, it can effectively remove the obstacles, protect the bit body from harm.
          Application Medium formation with high compressive strength and abrasive streak, such as Mudstone, Shale, Anhydrite, Tuff, Calcareous sandstone and so on.