ZJ70D

  1. nominal range of drilling depth (4 1/2″DP): 4500-7000m; 
  2. max. load of hook (12 lines): 4500kN; 
  3. rated input power of DW: 1470kW(2000HP); 
  4. gears of DW: 4+4R stepless speed regulating; 
  5. max. lines of hoisting system (along the line): 12 lines; 
  6. diameter of drilling wireline: ø38mm; 
  7. number×power of mud pump: 3*1600HP; 
  8. nominal diameter of RT opening: ø952.5mm; 
  9. gears of RT: 2+2R stepless speed regulating; 
  10. effective height of mast: 45.72m; 
  11. height of drill floor: 10.5m; 
  12. area of drill floor (L×W): 13m×12m; 
  13. clear height of beam: 8.92m ; 
  14. number×power of main generator set: 4×1020kW ;
  15. number×power of auxiliary generator set: 1×292kW; 
  16. effective capacity of mud tank: 625m3(585m3);
  17. mud high pressure manifold of dual standpipe: 4″×35MPa (3″); 
  18. total capacity of air tank: 2×3 m3+1×2.5m3