ZJ80DBS

  1. nominal drill depth(5″ DP 127mm): 8000m; 
  2. max. load of hook (12 lines): 5850kN; 
  3. lines of hoisting system: 7×8 along the line; 
  4. diameter of drilling wireline: φ38mm; 
  5. rated input power of DW: 2400kW; 
  6. speed of DW: Ⅱ+ⅡR, stepless speed regulating; 
  7. outer diameter of sheave of hoisting system: 7xø1524mm+ø1778mm; 
  8. max. load of swivel: 6750kN; 
  9. diameter of swivel stem: 102mm; 
  10. diameter of RT opening: φ952.5mm(37 1/2″); 
  11. power/number of drilling pump: 1600HP/3sets; 
  12. effective height of mast: 46.5m; 
  13. height of drill floor: 10.5m; 
  14. area of drill floor: 12m×13.7m; 
  15. clear height of RT beam: 9.1m; 
  16. capacity of air tank: 2×2m3+4m3; 
  17. dual passage high pressure manifold of dual standpipe: 4″×70MPa; 
  18. number×main power of diesel engine: 4×1200 kW; 
  19. auxiliary generator set: 1×4000kW; 
  20. effective capacity of mud tank: 800m3
  21.