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Model:U.S Met
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ZJ70/4500L
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ZJ70/4500LD
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ZJ70/4500DZ
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ZJ70/4500DB
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ZJ70/4500DBF
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Nominal drilling depth:
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14800~23000 4500~7000
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4-1/2″Drill ft m
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13100~19700 4000~6000
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5″Drill ft m
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Maximum static hook load: KIPS KN
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992 4500
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Maximum drill negative: KIPS KN
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485 2200
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507 2300
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Maximum input power winch: hp Kw
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2000 1470
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4020 3000
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DW gear
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4 n +2 down
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4
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4/Stepless
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Stepless
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Main brake type
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Disc brake / with brake
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Auxiliary brake type
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Eddy current brake / E.T. N brakes
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Dynamic braking / eddy current brake / E.T. N brakes
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Rope diameter: in mm
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1-1/2 38
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Enhance the system's largest tethered
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6×7
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Wearing rope ways to improve the system
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Shun wear / wore flowers
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Swimming pulley diameter: in mm
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60 1524
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Opening diameter turntable: in mm
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37-1/2 952.5
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Opening diameter turntable
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Composite drive
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Independent drive
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Composite drive&Independent driver / composite driver / independent drive
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Mast type
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"∏"
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Derrick effective height: ft m
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152 46.5
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Base height: ft m
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20.5,29.5,34.5 7.5,9,10.5
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Headroom base: ft m
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20,25,30 6.12,7.62,9.12
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20,25,30,35 6.12,7.62,9.12,10.62
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Mud single power: hp KW
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1600 1180
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Mud pump sets
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2
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3
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Transmission
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Whole chain box
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AC-SCR-DC
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AC-DC-AC(VFD)
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AC-DC-AC(VFD)
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/Pump group
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Main engine power: hp KW
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1500 1100
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1630 1200
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Main engine number of units
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3
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4
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Mud tanks with a total capacity: BBL m3
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2500 380
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