Home / Standards / GB/T 33581-2017 GB/T 33581-2017 Active Petroleum and natural gas industries—Drilling fluids—Processing equipment evaluation 石油天然气工业 钻井液 固控设备评价 Standard Type GBT ICS 75.180.10 CCS E92 Status 现行 Issue Date 2017-05-12 Implementation 2017-12-01 Responsible Dept 国家标准委 Drafting Unit N/A