ZJ120-9000DB drilling rig is the major new product of LongForza. In 2007, LongForza produces the first 12000m drilling rig. This will promote the technology level of ultra-deep well oilfield equipment greatly.
Technical Features
- 6000HP drawworks, adopts the modular design not only suitable for integral transportation but also for sectional transportation.
- 52m mast and 12m swing up substructure. It is raised by drawworks power.
- The drawworks is installed and running at lower position. – 40ºC high strength structure steel suitable for drilling in extreme cold areas.
- Large-tonnage traveling blocks, crown blocks and rotary table Developed by LongForza.
- Optimization design of electrical control system, with the function of variable speed control.
Patent
Seven Items of Utility Model Patent: New type energy-saving large power drawworks, new type gearshift mechanism of drawworks, split grooved drum, hydraulic-lift A-frame of mast, etc.
Two Items of Patent for Invention: Simultaneous cooling of inner and outer surfaces of liner, casting and manufacturing method for traveling system of drilling rigs.
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