ZJ70DBS

  1. nominal range of drill depth: 7000m; 
  2. max. static load of hook (12 lines): 4500kN; 
  3. max. input power of DW: 2000KW; 
  4. gears of DW: stepless speed regulating; 
  5. max. lines of hoisting system: 6×7; 
  6. diameter of drilling wireline: ø38 mm; 
  7. outer diameter of sheave of hoisting system: 6×ø1524mm+ø1778mm; 
  8. max. load of hoisting parts (crown block and traveling block): 4500kN; 
  9. max. load of swivel: 4500kN; 
  10. diameter of swivel stem: ø75mm; 
  11. number×power of mud pump: 3×1600HP; 
  12. nominal diameter of RT opening: ø952.5mm; 
  13. gears of RT: 1 gear, stepless speed regulating; 
  14. effective height of mast: 45.545m; 
  15. height of drill floor: 10.5m; 
  16. area of drill floor (L×W): 13m×12m; 
  17. clear height of RT beam: 9.1m; 
  18. number and power of main generator set: 4×1020KW; 
  19. model of diesel engine: CAT 3512A; 
  20. frequency and voltage of generator: 50Hz/600V; 
  21. number and power of auxiliary generator set: 1*292kW; 
  22. mud high pressure manifold of dual standpipe: 4″×35Mpa; 
  23. total capacity of air tank: 2.5m3 +2×3m3; 
  24. total capacity of mud tank: 700m3.