Home / Standards / GB/T 31033-2014 GB/T 31033-2014 Abolished Specification for well control technology of oil & gas drilling 石油天然气钻井井控技术规范 Standard Type GBT ICS 75.020 CCS E13 Status 废止 Issue Date 2014-12-05 Implementation 2015-06-01 Responsible Dept 国家标准委 Drafting Unit N/A