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    Top Drive Drilling System (TDS)
    Top Drive Drilling System (TDS)
    Top Drive Drilling System (TDS)
    Top Drive Drilling System (TDS)
    Top Drive Drilling System (TDS)

    Top Drive System for Efficient Drill String Rotation

    > TDS doesn’t used the drill pipe, which does not limit the length of the pipe, so it avoid to connection the drill pipe when drilling 9M.

    > TDS have ability to drilling 28M, the drilling tools can be smoothly raised and rotated without increasing the drilling time, especially in the directional drilling process.

    > TDS have the ability to drill the through the sand bridge and tight hole when no Kelly. You can connection the drilling stem in a few seconds and immediate reaming, so reduce the risk in sticking.

    > TDS can reduce the Qty of the connection pipe by 2/3, which can decrease the accidents.

    > TDS used motor to make up the connection, make-up stable. You can check the torque gauge when you operation, it can avoid mistake.

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      Brief Introduction
      Technical Specification
      Model Nominal
      drilling
      depth
      M      		 Rated load
      kN(Ton)      		 Continuous
      drilling
      torque
      kN.M      		 Uncoupling
      torque
      kN.M      		 Main
      shaft
      passage
      mm      		 Mud
      Circulating
      pressure
      MPa      		 Clamping
      range of
      the backup
      tong
      mm      		 Speed
      range
      Mm      		 Driling
      power
      hp
      DQ120BSC 12000  9000(1000) 85  135  102  52/70C







      87~250       		0~200 600X2
      DQ90BSD 9000  6750(750) 89  52 
      DQ90BS 110 





      75       		500X2
      DQ70BSD 7000  4500(500) 70  90  35/52b
      DQ7OBSE 60  75  0~220 400X2
      DQ50BC 50 



      35
      DQ40BC 5000  3150(350) 40  60  0~180 500 
      DQ40BCQ 4000  2250(250)
      DQ40BCQ 30

      30       		45  0~200 400 
      DQ40Y 0~180 540 
      DQ30Y 3000  1700(190) 22  40  64  0~150   400 

      TDS (top drive drilling system)

      The Top Drive Drilling System is a significant development trend of modern drilling rig technology advantageous in time saving, efficiency increase of drilling rig operation, disposal of down-hole complexity and increase of mechanization and safety, which has gradually become one of the standard drilling rig configurations. It can rotate the drill pipe in the above of the Derrick directly, extend the special track down and up, than complete rotary and drilling, Circulating the drilling fluid, connection the drilling stem, make-up and break-out the pipe, back reaming etc drilling operation.

      Top Drive Drilling System normally consists of body, electrical drive & control system and hydraulic drive & control system.