GB/T 19831.2-2008
China national
standard english version:
GB
中华人民共和国国家标准
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 19831.2-2008
Petroleum and natural gas industries - Equipment for well cementing - Part 2: Centralizer placement and stop-collar testing 石油天然气工业 固井设备 第2部分:扶正器的放置和止动环测试
Issued Date:2008-08-28
Implemented Date:2009-03-01
Issued by:
The Standardization Administration of the People's Republic of China