Hold centralizers cement baskets on any position of casing, which ensures the positions of centralizers cementbasket to meet the design.
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。
2
The features of buried hill reservoir are described, and the use of two-stage cementing method, continuous open stage collar and cementbasket is also presented.