Casing Centralizer

Casing centralizers are crucial for aligning the casing securely in the wellbore during the cementing process. By doing so, they enhance the quality of cementing, stability of the wellbore, and hydraulic efficiency. In horizontal and deviated wells, where the chances of inadequate cement bonding or casing wear are higher, centralizers play an even more significant role. These devices are designed to optimize zonal isolation and wellbore cleaning, and they can be tailored to suit various well configurations. Ultimately, centralizers are indispensable for ensuring reliable wellbore integrity and facilitating cost-effective drilling operations.

1) Material of casing centralizers: 65Mn steel

2) Type of casing centralizers: Single Piece Bow Spring Casing Centralizer

3) Standard of casing centralizers: ISO standard

4) Specifications of casing centralizers: 4 1/2''---20''. More special sizes or combination are available as requested.

5) High Restoring Force of casing centralizers: This kind of single piece casing centralizer has restoring force about 198% higher than API standard.

6)Application of casing centralizers:

Bow spring centralizers play a crucial role in cementing operations by aligning the casing in the wellbore, which results in even distribution of cement around the casing, thus improving cementing effectiveness.

7) Function of casing centralizers

a. Take casing to designed position by reducing sticking while casing going down.
b. Centralize casing in well.
c. Balance liquid pressure in annular space by reducing adhesion phenomenon.
d. Improving replacing ratio of mud and boosting cementing quality by reducing channeling effect.

We have the certificates of API 5CT, API 10D, API 11E, API 6A, API 11AX, ISO 9001 and ISO 14001. Our foreign customers are mainly from America, Central Asia, Russia, Southeast Asia, Middle East, etc.