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The cluster well drilling rig is used to drill multi-row or single-row wells where the distance between wells is usually less than 5 meters. The special rail moving system and two-tiered substructure moving system are adopted which enables the transverse and longitudinal moving so as to build wells continuously. Cluster well drilling rig is a high-efficiency equipment of well drilling featuring modularization, integration and fast moving. Ruitong RT70LD drilling rig exported to Turkmenistan, RT50LDB exported to Russia and RT40RL delivered to Liaohe Oilfield are all of typical cluster well drilling rigs of this industry. |