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Ruitong polar drilling rig can work in Siberia and polar region (-45℃ to 40℃). The structure, mechanical transmission, lubrication sealing, hydraulic and air control, electric drive and control system are designed according to the cold environment. The thermal insulation system, heating system and drain system are also designed for critical points. A moving rail of 1.5 meter’s high is euqipped onto this rig for cluster well operation, which enables the drilling opartuion and production at the same time and increases the prouction efficiency substantially. This design is highly praised by the client. One set of Ruitong RT50L polar rig and one set of RT40L polar rig were exported to Kazakstan on December 2007. |