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Xiaozhen Sun
Sun Xiaozhen, is the director of Safety and Environmental Protection Supervision Center of Xinjiang Oilfield Company. He is a senior drilling engineer and has been granted with the certificates of ...ver maisSun Xiaozhen, is the director of Safety and Environmental Protection Supervision Center of Xinjiang Oilfield Company. He is a senior drilling engineer and has been granted with the certificates of national first-class registered safety assessment engineer and national registered safety engineer.ver menos
Livros de Xiaozhen Sun
Common Well Control Hazards: Identification and Countermeasures