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Power head is a very important part for water well drilling rig. The power head of the drilling rig is mainly used to transmit torque, rotate drilling tools, lift the derrick and transport mud. Today we sent 2 sets power head to a customer in...
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On August 26th, the Liaohe Oilfield Cixi Oil Production Plant sent a good news: Great Wall Drilling used the PDC drill bit independently developed and developed to efficiently complete the drilling operation of the Well 131. The drilling rate...