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Land-based drilling rigs
Wholly-moveable desert drilling rig ZJ70DBST

Trailing rig, three trailing modules: host module, mud pump module and power module;

Technical parameters

1. nominal range of drilling depth(1)(5"DP):4000-6000m,(2)(4 1/2"DP): 4500-7000m;

2. max. load of hook (12 lines): 4500KN;

3. rated input power of DW: 2600HP;

4. gears of DW: 1 gear, stepless speed regulating;

5. max. lines of hoisting system (along the line): 12 lines;

6. diameter of drilling wireline: ?38mm(1 1/2");

7. number×power of mud pump: 2×1600HP;

8. nominal diameter of RT opening: ?952.5mm;

9. gears of RT: 1 gear, stepless speed regulating;

10. model and effective height of mast: K-type, 44.8m;

11. height of drill floor: 10.82m (including wooden mat);

12. area of drill floor (L×W): 15.24m×12.2m;

13. clear height: 9.4m (including wooden mat);

14. number×power of main generator set: 4×1200KW ;

15. frequency and voltage of generator: 600V/60Hz;

16. mud high pressure manifold of dual standpipe: 4"×35MPa;

17. total capacity of air tank: 3×2m3 +2×1.5m3 (buffer air tank of substructure);

18. total capacity of mud tank: ≈560m3.

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