Home / Standards / GB/T 40543-2021 GB/T 40543-2021 Active Petroleum and natural gas industries—Materials selection for high content CO2 for casing, tubing and downhole equipment 石油天然气工业 高含CO2环境用套管、油管及井下工具的材料选择 Standard Type GBT ICS 75.180.01 CCS E 90 Status 现行 Issue Date 2021-08-20 Implementation 2021-12-01 Responsible Dept 国家标准委 Drafting Unit N/A