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What is the function of Float casing collar

Categories:Industry news
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Time of issue:2023-03-27
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(Summary description)I believe this is the first time that many friends have heard the term Float casing collar. It is one of the accessories of oil drilling equipment and an essential tool for cementing construction.

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What is the function of Float casing collar

Categories:Industry news
Author:
Origin:
Time of issue:2023-03-27
Views:0

Information

I believe this is the first time that many friends have heard the term Float casing collar. It is one of the accessories of oil drilling equipment and an essential tool for cementing construction.

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The function of Float casing collar is:
1. The floating hoop is connected at a distance of 20 to 30 meters from the end of the casing string, and plays the role of a supporting ring and a back pressure valve.
2. The floating shoe is connected to the end of the casing string, which acts as a leading shoe and a back pressure valve.
The structure of the floating shoe seems to be simple, but in the actual production process, the requirements for material specifications and dimensional accuracy are particularly high, and a slight deviation will affect the normal operation of the cementing work.
Float casing collar plays a very important role in actual drilling and production. It can be used not only for general technical casings and reservoir casings, but also for deep wells, ultra-deep wells and special process wells. Its powerful function determines its quality requirements: high temperature resistance, excellent sealing and drillability.