Home / Standards / GB/T 31457-2015 GB/T 31457-2015 Active The testing and calculation methods for water balance in oil-gas field production system 油气田生产系统水平衡测试和计算方法 Standard Type GBT ICS 75.010 CCS E01 Status 现行 Issue Date 2015-05-15 Implementation 2015-08-01 Responsible Dept 国家标准委 Drafting Unit N/A