Availability: | |
---|---|
Quantity: | |
A casing joint is a string of steel pipe with threaded connections at both ends. These joints are then assembled to form a casing string.The casing shoe is a bull-nose shaped device that is attached to the bottom of the casing string. This device allows the casing to be suspended from the wellhead. The casing hanger is then attached to the top of the casing. These tools are essential in the drilling process. They allow the casing to be swung around and secured into place.
A casing shoe may be made of several different types of materials. The material may be a composite or solid cylinder. The base layer 218 may be formed from a steel or metallic material. A softer material may also be used for the cutting element. The vanes may also be formed using any other material.
Casing shoes are available in different designs to meet various requirements. In general, they are designed to accommodate a variety of drilling conditions. However, high performance ones are best suited for difficult ground or overburden. These are often made of a composite material or may be injected during the process of making them.