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Land-based drilling rigs
Train-based drilling rig(Low temperature) ZJ70DBS

Comprise main body skidding module and solids control and utilized pump fixed module, capable of realizing the integral skidding of main body, arctic-alpine drilling rig, lowest usage temperature -45℃, used in Russia/polar region


Technical parameters

1. Nominal drilling depth (5" DP): 7000m,

2. Maximum hook load (12 lines): 4500kN,

3. Maximum input power of DW: 2000kW,

4. Gears of DW: 1+1R stepless speed regulating,

5. Maximum wirerope number (along the line) of hoisting system: 6×7 lines,

6. Diameter of drilling line: φ38mm,

7. Outside diameter of sheave for hoisting system: φ1524mm+φ1778mm,

8. Maximum load of hoisting components (crown block, traveling block): 4500KN,

9. Maximum load of swivel: 4500KN,

10. Drift diameter of swivel stem: 75mm,

11. Number×power of mud pumps: 3×2200HP,

12. Nominal opening diameter of RT: φ952.5mm/(37-1/2"),

13. Gear of RT: stepless speed regulating,

14. Type and effective height of mast: K type, 45.72m,

15. Height of drill floor: 12m,

16. Area of drill floor: 13m×12m,

17. Number and power of main generator sets: 6*1200kW,

18. Voltage and frequency of generator: 600V/50HZ,

19. Number and power of auxiliary generator set: 1*364kW,

20. Voltage and frequency of generator: 400V/50HZ,

21. Dual-standpipe high-pressure mud manifold: 4"×52MPa (52.5MPa),

22. Total capacity of air tanks: 4*0.9m3+2×0.9m3,

23. Total volume of mud tanks: 100m3 +340m3

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