Home / Standards / GB/T 29170-2012 GB/T 29170-2012 Active Petroleum and natural gas industries - Drilling fluids - Laboratory testing 石油天然气工业 钻井液实验室测试 Standard Type GBT ICS 75.020 CCS E13 Status 现行 Issue Date 2012-12-31 Implementation 2013-07-01 Responsible Dept 国家标准委 Drafting Unit N/A