We are offering drilling rig. model zj503150d zj503150db nominal drilling depth 11500â�¼16400ft, 3500â�¼5000m, (4 12"dp) 9200â�¼14800ft, 2800â�¼4500m(5"dp) 11500â�¼16400ft, 3500â�¼5000m, (4 12"dp) 9200â�¼14800ft, 2800â�¼4500m(5"dp) max. Hook load 695000lps 3150kn 695000lps 3150kn max. Drill stem load 350000lps 1600kn 350000lps 1600kn drawworks speed steps 1500hp 1100kw 1500hp 1100kw drawworks speed steps 4stepless stepless main brake model hydraulic disk brakeband brake hydraulic disk brakeband brake auxiliary brake model eddy current brakeetn brake eddy current brakeetn brake wirelind diameter 1-38" 35mm 1-38" 35mm crown sheaves number and travelling sheaves number 7ã�6 7ã�6 open diameter of rotary table 37-12" 952.5mm 37-12" 952.5mm rotary table drive type independent electric drive independent electric drive mast type "k" "k" clear height of mast 148ft 45m 148ft 45m substructure height 20.5ft(7.5m), 29.5ft(9m), 34.5ft(10.5m) 20.5ft(7.5m), 29.5ft(9m), 34.5ft(10.5m) clear height of substructure 20ft(6.12m), 25ft(7.62m), 30ft(9.12m) 20ft(6.12m), 25ft(7.62m), 30ft(9.12m) power of single mud pump 1600hp 1180kw 1600hp 1180kw mud pump sets 2 2 type of driving ac-scr-dc ac-vdf-ac power of main diesel 1500hp 1100kw 1500hp 1100kw main diesel sets 3 3 total volume of mud tank 2100bbl 320 m3 2100bbl 320 m3.