WANG Leding
Downhole Technology Service Branch, CNPC Bohai Drilling Engineering Co, LtdWANG Huaijing
Engineering Technology Research Institute, CNPC Bohai Drilling Engineering Co, LtdCHEN Xinhai
Engineering Technology Research Institute, CNPC Bohai Drilling Engineering Co, Ltd,Renqiu Hebei , ChinaHUAI Qiaoshuang
Downhole Technology Service Branch, CNPC Bohai Drilling Engineering Co, LtdLI Xiaoyong
Downhole Technology Service Branch, CNPC Bohai Drilling Engineering Co, Ltd1.Downhole Technology Service Branch, CNPC Bohai Drilling Engineering Co., Ltd., Tianjin 300283, China; 2.Engineering Technology Research Institute, CNPC Bohai Drilling Engineering Co., Ltd., Tianjin 300283, China; 3.Engineering Technology Research Institute, CNPC Bohai Drilling Engineering Co., Ltd.,Renqiu Hebei 062552, China
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