Run a centralizer every two joints of casing 每隔一根套管下一个扶正器。
Centralizer placement and stop collar testing 扶正器放置和限动环检验
Where to connect the centralizer 扶正器下在什么地方?
Bow spring centralizer 弓形弹簧扶正器
Bow string centralizer 弓形管柱扶正器
Sucker rod centralizer 抽油杆扶正器
Blade type centralizer 叶片型扶正器
Bow type centralizer 弓形扶正器
Petroleum and natural gas industries - equipment for well cementing - centralizer placement and stop - collar testing 石油和天然气工业.良好胶结设备.扶正器的放置和限动环的检测
Petroleum and natural gas industries - equipment for well cementing - part 2 : centralizer placement and stop - collar testing 石油和天然气工业.固井用设备.第2部分:扶正器的放置和限动环的检测