• WANG Yuewei ^1,2,3,4

  WANG Yuewei

  Institute of Exploration Techniques, CAGS, Langfang Hebei 065000, China;Technology Innovation Center for Directional Drilling Engineering, MNR, Langfang Hebei 065000, China;Innovation Base for Directional Drilling Engineering , Geological Society of China, Langfang Hebei 065000, China;Innovation Base for Automatic and Intelligent Drilling Equipment， Geological Society of China,Langfang Hebei 065000, China
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• WANG Wen ^1,2,3,4

  WANG Wen

  Institute of Exploration Techniques, CAGS, Langfang Hebei 065000, China;Technology Innovation Center for Directional Drilling Engineering, MNR, Langfang Hebei 065000, China;Innovation Base for Directional Drilling Engineering , Geological Society of China, Langfang Hebei 065000, China;Innovation Base for Automatic and Intelligent Drilling Equipment， Geological Society of China,Langfang Hebei 065000, China
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• LIU Zhi ⁵

  LIU Zhi

  Shandong No.3 Exploration Institute of Geology and Mineral Resources， Yantai Shandong 264004, China
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• LIANG Jian ^1,2,3,4

  LIANG Jian

  Institute of Exploration Techniques, CAGS, Langfang Hebei 065000, China;Technology Innovation Center for Directional Drilling Engineering, MNR, Langfang Hebei 065000, China;Innovation Base for Directional Drilling Engineering , Geological Society of China, Langfang Hebei 065000, China;Innovation Base for Automatic and Intelligent Drilling Equipment， Geological Society of China,Langfang Hebei 065000, China
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• GAO Pengju ^1,2,3,4

  GAO Pengju

  Institute of Exploration Techniques, CAGS, Langfang Hebei 065000, China;Technology Innovation Center for Directional Drilling Engineering, MNR, Langfang Hebei 065000, China;Innovation Base for Directional Drilling Engineering , Geological Society of China, Langfang Hebei 065000, China;Innovation Base for Automatic and Intelligent Drilling Equipment， Geological Society of China,Langfang Hebei 065000, China
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• XUE Qianbing ^1,2,3,4

  XUE Qianbing

  Institute of Exploration Techniques, CAGS, Langfang Hebei 065000, China;Technology Innovation Center for Directional Drilling Engineering, MNR, Langfang Hebei 065000, China;Innovation Base for Directional Drilling Engineering , Geological Society of China, Langfang Hebei 065000, China;Innovation Base for Automatic and Intelligent Drilling Equipment， Geological Society of China,Langfang Hebei 065000, China
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• QI Liqiang ^1,2,3,4

  QI Liqiang

  Institute of Exploration Techniques, CAGS, Langfang Hebei 065000, China;Technology Innovation Center for Directional Drilling Engineering, MNR, Langfang Hebei 065000, China;Innovation Base for Directional Drilling Engineering , Geological Society of China, Langfang Hebei 065000, China;Innovation Base for Automatic and Intelligent Drilling Equipment， Geological Society of China,Langfang Hebei 065000, China
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• LIANG Nan ^1,2,3,4

  LIANG Nan

  Institute of Exploration Techniques, CAGS, Langfang Hebei 065000, China;Technology Innovation Center for Directional Drilling Engineering, MNR, Langfang Hebei 065000, China;Innovation Base for Directional Drilling Engineering , Geological Society of China, Langfang Hebei 065000, China;Innovation Base for Automatic and Intelligent Drilling Equipment， Geological Society of China,Langfang Hebei 065000, China
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1.Institute of Exploration Techniques, CAGS, Langfang Hebei 065000, China;2.Technology Innovation Center for Directional Drilling Engineering, MNR, Langfang Hebei 065000, China;3.Innovation Base for Directional Drilling Engineering , Geological Society of China, Langfang Hebei 065000, China;4.Innovation Base for Automatic and Intelligent Drilling Equipment， Geological Society of China,Langfang Hebei 065000, China;5.Shandong No.3 Exploration Institute of Geology and Mineral Resources， Yantai Shandong 264004, China

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