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Anti-rotation cementing plug

How to Use Anti-Rotation Cementing Plugs

Categories:Anti-rotation cementing plug
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Time of issue:2022-06-17
Views:553

(Summary description)Cementing rubber plugs are used to isolate the cement slurry, clean the casing wall, and prevent the pollution of the cement slurry. After the rubber plug is pressed against the floating hoop,

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How to Use Anti-Rotation Cementing Plugs

Categories:Anti-rotation cementing plug
Author:
Origin:
Time of issue:2022-06-17
Views:553

Information

Cementing rubber plugs are used to isolate the cement slurry, clean the casing wall, and prevent the pollution of the cement slurry. After the rubber plug is pressed against the floating hoop, it can accurately indicate the replacement position of the cement slurry and the sealing performance of the casing.

The upper rubber stopper and lower rubber stopper are generally used as a set. The upper rubber plug is separated from the upper cement slurry and mud to prevent the cement slurry from being polluted, and at the same time replace the cement slurry to the annulus.

Before cementing, put the lower rubber plug first, and pump and scrape the well wall to separate the lower cement slurry and mud to prevent the cement slurry from being polluted. After pressing, since the lower rubber plug is hollow, hold back the pressure of 2-4 MPa to break the rubber membrane, provide a channel for the cement slurry, and establish a circulation. Then, the cement is injected, the rubber plug is put in, pumped and pressed, and the cementing is completed.

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Next: The role of anti-rotation cementing plug in cementing

Previous: What are the cementing plugs

Next: The role of anti-rotation cementing plug in cementing