ZJ90/6750DB-S FOUR DRILL PIPE IN A SINGLE STAND DRILLING RIG
Max hook load is 6750kN, based on proven AC-DC-AC electric drive technology, intelligent drillercontrolled through the PLC.
Mast effective height is 57.5m, capable in four drillpipe in a single stand ultra-deep drilling.Main rig module is arranged higher in the front andlower at the back. The drawwork installed in lowposition, the drill floor is flat, the sub structure workand lift smoothly with have large operation space.e The high speed large power Ac variable frequencydrawwork motor is designed and produced accordingto the special requirements of drilling conditions.Main motor converter works in the “ two converterwith one motor" way, improving the ability of thedynamic response of the motor.
300Max hook load is 6750kN, based on proven AC-DC-AC electric drive technology, intelligent drillercontrolled through the PLC.
0HP two speed variable frequency drivedrawwork makes the rigs work
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