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Drilling rig model

ZJ40/2250J rig

ZJ40/2250L rig

ZJ40/2250D rig

ZJ40/2250LDB rig

Nominal drilling depth

127 drill pipe, 4000 meters

127 drill pipe, 4000 meters

127 drill pipe, 4000 meters

127 drill pipe, 4000 meters

maximum load

2250Kn

2250Kn

2250Kn

2250Kn

Traveling system gear train

5X6

5X6

5X6

5X6

Wire rope diameter

32mm

32mm

32mm

32mm

Maximum input power of winch

735Kw(1000Hp)

735Kw(1000Hp)

735Kw(1000Hp)

735Kw(1000Hp)

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

698.5mm

698.5mm

698.5mm

698.5mm

Derrick type

K type

K type

K type

K type

derrick height

42m

43m

43m

43m

Base height

4.8m

4.8/6m

6m

6m

Base clearance height

3.6m

3.6/4.8m

4.8m

4.8m