size: 28*23*5cm
children toys
children toys
Type: | Other Pretend Play & Preschool |
Model Number: | B88046 |
Brand Name: | TLER |
Casing Centralizer Casing Centralizer is a device used to place the casing at the center of the hole so as to improve the efficiency of the cementing. It is an important device because if the Casing Centralizer touches the formation at any part of the hole, then cement slurry ...
Come From Dongying Lake Petroleum Technology Co.,
The CMS casing slips are designed and manufactured in API 7K and SY/T 5049 \" Slips for well drilling\" .It is manufactured in a structure of multi-segment pieces with firm structure, light weight , and large holding range, which is easy to fit the changing of the external ...
Casing centralizer is a device used to place the casing at the center of the hole so as to improve the efficiency of the cementing. It is an important device because if the casing centralizer touches the formation at any part of the hole, then cement slurry does not pass ...