Float Shoe And Float Collar In Drilling Operations
https://www.youtube.com/watch?v=nOrZXlecumQ

The device that is run on the bottom of the casing for primary cementing is called a “shoe”.  There are four basic types of shoes that run on the casing, a guide shoe, a float shoe, an automatic fill shoe, and a differential fill float shoe. In this article, we will handle both the float shoe and collar that is must use while casing running operations on oil and gas rigs.
https://bit.ly/3YTJeo2