... Nominal drilling depth, m:5000,7000. 1)DC Rig adopts AC-SCR-DC drive mode, using DC motors to drive drawworks, rotary table and ... . 4)The rotary table can be driven by drawworks, or DC motor independently. 5)The driller 's cabin integrates the electric ... modeDC motorHP mud manifold103mm (bore dia.) × 35MPaElectric drive modeAC-SCR-DC,one to one, or one to twoNumber of main generator ...