【Construction case】HDL-160D top drive drilling rig

Stratum situation

Location: Shanghai

Drilling rig model: HDL-160D top drive rig

Drill tool configuration: 89 drill pipe

Process type: rotary spray injection hole

Construction technology: lead hole

Stratigraphy: soil layer, silt layer

Construction Angle (°): 90

Pore size (mm): 250

Hole depth (m): 40

Construction technology

One HDL-160D drilling rig and one 150 mud pump

1、The rig moves the machine to the hole, adjust the Angle 90, support the legs on the ground (as far as possible the track and legs land together), and at the hole;

2、First install a drill pipe, install the drill bit with water drilling, the holder to position the drill pipe, open the positive turn, slow into, pay attention to the drill is not too fast and observe the water situation;

3、Continuous operation hit to the required depth;

4、Remove the drill pipe, and mark it with self-spray paint;

5、Move the next hole position of the machine.            

—— Anman drilling rig sales service: Li Xiaopeng