Home / Standards / GB/T 34906-2017 GB/T 34906-2017 Active Geological evaluating methods for tight oil 致密油地质评价方法 Standard Type GBT ICS 75 CCS E11 Status 现行 Issue Date 2017-11-01 Implementation 2018-05-01 Responsible Dept 国家标准委 Drafting Unit N/A