Stop collar

1.Hold centralizers or cement baskets on any position of casing, which ensures the positions of centralizers or cement basket to meet the design.

Features

The stop collars are available in three types: Knock-On Type, Spiral Nail Type and Set Screw Type.

2.The stop collars can be installed on any position on casing to limit the axial movement of centralizers and cement baskets.

standard OD oil Casing pipe

Description: Size:4-1/2"~30": Thread:LC,SC,BC.RT—BC,100% replace premium connection，for example:Vam and Hunting Grade:All grade of API
Big OD oil Casing pipe

We are the specialist of making large OD casing pipe,from 20" to30". We are the only one manufacturer in China with the capacity to produce casing pipes as large as 30".Our premium connection RT J-DTG3 is specially designed for the casing with OD above 14
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Oil casing is mainly used to support the well wall during the drilling process and after the completion of the well, so as to ensure the drilling process and the normal operation of the whole well after the completion of the well. It is the lifeline to ma
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