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Drilling rig model

ZJ50/3150J rig

ZJ50/3150L rig

ZJ50/3150D rig

ZJ50/3150LDB rig

Nominal drilling depth

127 drill pipes, 5000 meters

127 drill pipes, 5000 meters

127 drill pipes, 5000 meters

127 drill pipes, 5000 meters

maximum load

3150Kn

3150Kn

3150Kn

3150Kn

Traveling system gear train

6X7

6X7

6X7

6X7

Wire rope diameter

35mm

35mm

35mm

35mm

Maximum input power of winch

1100Kw(1500Hp)

1100Kw(1500Hp)

1100Kw(1500Hp)

1100Kw(1500Hp)

Winch gear

4 forward and 2 backward

4 forward and 2 backward

stepless speed change

4 forward and 2 backward

Service brake

Hydraulic disc brake

Hydraulic disc brake

Hydraulic disc brake

Hydraulic disc brake

Auxiliary braking

electromagnetic eddy current brake

electromagnetic eddy current brake

electromagnetic eddy current brake

electromagnetic eddy current brake

Rotary table opening diameter

952.5mm

952.5mm

952.5mm

952.5mm

Derrick type

K type

K type

K type

K type

derrick height

45m

45m

45m

45m

Base height

7.5m

7.5/9m

9/10.5m

9/10.5m

Base clearance height

6.3m

6.3/7.6m

7.6/9m

7.6/9m