Home / Standards / GB/T 19831.3-2023 GB/T 19831.3-2023 Active Petroleum and natural gas industries—Casing centralizers—Part 3:Rigid and semi-rigid centralizers 石油天然气工业 套管扶正器 第3部分:刚性和半刚性扶正器 Standard Type GBT ICS 75.180.10 CCS E92 Status 现行 Issue Date 2023-08-06 Implementation 2024-03-01 Responsible Dept 国家标准委 Drafting Unit N/A