China National Standards

China Drilling technology rules Industry Standards English PDF List

  •  China "Drilling technology rules" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    SY/T 6709-2008 Drilling technology rules for gypsolith and salt formation
    膏盐层钻井技术规程    		 China Oil & Gas Industry Standards
    Drilling technology rules
    English PDF

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