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Components of a Wellhead

If you work in the oil industry, you probably came into contact with the wellhead at some point. However, many people do not know the main components of the wellhead. Read on to learn about the main components of the wellhead.

Casing Components
There are three main parts of the casing: the head, the spool and the hanger.

The casting head is used to help isolate the surface casing from all external factors. The head also helps to support the weight of workers while drilling.

A casing spool usually consists of several strings, but certain ones have only one string sometimes. During drilling, the casing spool works as an additional sealing device.

There are two types of casing hanger: slip and mandrel. When the pipe gets stuck, the worker will install the sliding hanger, then you can replace the sliding hanger after cutting the casing. If threading on the wellhead is convenient to use, mandrel hanger is the preferable choice.

Tubing Components
The tubing also has two main parts: the head and the hanger.

The tubing head allows the tubing to be suspended. In addition, the tubing head helps maintain high-pressure operations and test for different seals of the well.

As for the hanger, ‘dog nut’ some people also call, seals the wellhead and keeps it locked. There are several types of hangers and adapters that can be used for different purposes, so be sure which one works for your condition.

Pack-off Components
Although they are not so pervasive, the pack-off flange is still worthy to be noted. They are usually installed above the casing head or spool and provide additional seal.

Whether you are a beginner or have been engaged in the oil industry for decades, you should have a clear understanding of the main components of the wellhead.

Here at TAVAL, supported by our industry expertise and our 6A and other relevant certifications, You can find all solutions to your demands. Contact us for more information.


Related products: Frac head forged flanges, oilfield Christmas tree.



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