亚洲精品在线视频|国产美女吞精在线播放|亚洲AV无码在线观看免费DVD|亚洲一区二区三区伦理电影院

Drilling rig model

ZJ90/6750D rig

ZJ90/6750LDB rig

ZJ90/6750DBS rig

ZJ90/6750DB rig

Nominal drilling depth

127 drill pipes, 9000 meters

127 drill pipes, 9000 meters

127 drill pipes, 9000 meters

127 drill pipes, 9000 meters

maximum load

6750Kn

6750Kn

6750Kn

6750Kn

Traveling system gear train

7X8

7X8

7X8

7X8

Wire rope diameter

42mm

42mm

42mm

42mm

Maximum input power of winch

2200Kw(3000Hp)

2200Kw(3000Hp)

2200Kw(3000Hp)

2200Kw(3000Hp)

Winch gear

stepless speed change

stepless speed change

stepless speed change

stepless speed change

Service brake

Hydraulic disc brake

Hydraulic disc brake

Hydraulic disc brake

Hydraulic disc brake

Auxiliary braking

dynamic braking

dynamic braking

dynamic braking

dynamic braking

Rotary table opening diameter

952.5mm

952.5mm

952.5mm

952.5mm

Derrick type

K type

K type

K type

K type

derrick height

48m

48m

48m

48m

Base height

12m

12m

12m

12m

Base clearance height

10m

10m

10m

10m