Drilling
  technology

Diamond,
  PDC rotary drilling; DTH hammer drilling

Theoretical
  drilling depth

200m(50
  Drill pipe, the final hole diameter 65);160m(60 Drill pipe, the final hole
  diameter 91);

  120m (73 Drill pipe, the final hole diameter 115)

Drill
  pipe specifications

Φ50,Φ60,Φ73
  Drill pipe; Long 1200 mm(Containing the drill pipe to take over)

Power
  head trip

1400
  mm

The
  power head to the forward / pullback speed

 0~0.168 / 0~0.344 m/s

Standard
  power machine

YD180L-8/4
  Electric motor(11kW 750 r/min;17kW 1500 r/ min)

Output
  torque of the power head

Forward
  1376;840;507;366;287;404;315;221N·m    
  Reverse 1450;906N·m

The
  power head rotation speed

Forward
  76;152;204;257;366;401;514;732r/min    
  Reverse 64;129r/min

Rated
  pressure

 12MPa

Dimensions

Mast
  upright: 1900×1510×2580 mm; Mast level:2555×1510×1110 m

Drilling
  angle:

 0°~360°(Downhole motor rotation direction
  of pump and power head needs to reverse)

Weight

Machine:1200kg(Excluding
  power machine)