local centralizers局部中心化子
double centralizers双中心子
Casing centralizers套管扶正器
centralizers of idempotents凸等价关系
hinge-type centralizers铰链式套管扶正器
Bow-spring casing centralizers弓形弹簧套管扶正器
The Centralizers of Nest Algebras套代数的中心化子
installing method of casing centralizers套管扶正器的装法
Holdcentralizersorcementbasketsonanypositionofcasing, which ensures the positions ofcentralizers or cement basket to meetthedesign.
可将弹性套管扶正器或水泥伞置于套管本体上的任意部位,确保扶正器的安放位置满足设计要求。
Butthere existstheproblemthatqualityofrodstringcentralizersin oilfield is different, the centralizers can slide onrodstringandcostsarehigh.
但是油田在用抽油杆扶正器存在质量参差不齐,扶正器在抽油杆上窜动,且成本高等问题。
Fordeviated wellbores, where gravitationalforcepullscasingtothelowside of the hole, morerobustsolid-bladedcentralizersarebetterifholeconditionsallow their use.
对于斜井,由于重力迫使套管平躺于井壁的下侧,如果井眼条件允许,更为结实的固体刀翼式扶正器更为合适。
www.infopetro.com.cn