The train-type polar drilling rig is designed and manufactured for the polar region of Russia, which enables the normal rig operational the ambient temperature of -45℃ ～ +40℃ and the rig stock and transportation at the ambient temperature of -60℃～+50℃. The rig is  arranged  along  the  wheel track  and  move among the cluster wells with hydraulic cylinders.  Currently  the  4000-meter  (1000HP) and 7000-meter (2000HP) drilling rigs are working in Russian arctic region.

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