CNPC > Products & Services > Petroleum Equipment > ZJ70/4500DB Drilling Rig
ZJ70/4500DB Drilling Rig

  • Nominal drilling depth: 4,500-7,000 m with 4-1/2" drill pipe
  • Max hook load: 4,500kN
  • Drawworks power rating: 2,000HP
  • Full digital vector AC-DC-AC drive
  • Intellectual control for drawworks, rotary table and mud pumps
  • Touch screen and integrated design of electric and hydraulic parts and drilling instruments
  • Feed back/Dynamic brake
  • Real time communication and network by PROFIBUS