7000m Mechanical rig
ZJ70/ 4500L
Drilling module |
Main features of drilling rig：
DW is seal type chain drive drawworks with 4 forward+ 2 reverse gears (or 6 forward+ 2 reverse gears); there is auxiliary drive device used for lifting derrick and emergency lifting.
Integrated driller's cabin can accomplish most rig operation and control.
Cardan shaft is used for connection between all parts of transmission system, making assembly and disassembly easy.
Main technical parameters :
Nominal drilling depth |
7000m （ 114mm DP ） |
6000m （ 127mm DP ） |
Max. hook load |
4500kN |
Wire rope system of traveling system |
6x7 ， parallel |
DW rated power |
1470 kW （ 2000hp ） |
DW gears |
4 forward +2 reverse |
6 forward +2 reverse |
Diameter of drilling line |
φ 38mm |
RT opening dia. |
950mm （ 37-1/2″ ） |
698.5mm （ 27-1/2″ ） |
RT gears |
4 forward +1 reverse |
Qty./power of drilling pump |
2X 1600 hp pump |
Derrick type and effective height |
K type ， 45m |
Derrick type ， 46m |
Transmission mode |
Hydrodynamic drive chain compound |
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