Main parameters and characteristics of the drilling rig |
Drilling rig model | ZJ30/1700J drilling rig | ZJ30/1700L drilling rig | ZJ30/1700D drilling rig | ZJ30/1700LDB drilling rig |
Nominal drilling depth | 127 drill pipe, 3000 meters | 127 drill pipe, 3000 meters | 127 drill pipe, 3000 meters | 127 drill pipe, 3000 meters |
maximum load | 1350Kn | 1350Kn | 1350Kn | 1350Kn |
Traveling system gear train | 5X6 | 5X6 | 5X6 | 5X6 |
Wire rope diameter | 29mm | 29mm | 29mm | 29mm |
Maximum input power of winch | 450Kw(600Hp) | 450Kw(600Hp) | 450Kw(600Hp) | 450Kw(600Hp) |
Winch gear | Infinitely variable speed
| 4 forward and 2 backward | 4 forward and 2 backward | 4 forward and 2 backward |
Service brake | Band brake/Hydraulic disc brake | Band brake/Hydraulic disc brake | Band brake/Hydraulic disc brake | Band 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 | 445mm | 445mm | 445mm | 445mm |
Derrick type | K type | K type | K type | K type |
derrick height | 41m | 41m | 41m | 41m |
Base height | 4.5m | 4.5m | 4.5/6m | 4.5/6m |
Base clearance height | 3.2m | 3.2m | 3.2m | 3.2m |