Casing shoes: The upper end is connected to the casing, and the lower end has a special chamfer with an internal chamfer and a thread or other connection with the lead shoe. Floating shoes: A device that integrates boots, casing shoes and valve body.
Casing shoes
Right!
Casing shoes: The upper end is connected to the casing, and the lower end has a special chamfer with an internal chamfer and a thread or other connection with the lead shoe. Floating shoes: A device that integrates boots, casing shoes and valve body.
- Name
- Casing shoes
- Upper end
- Connected with casing
- Lower end
- The inner chamfer is connected with the boot by the thread.
- Floating shoes
- Device for making guide shoe tube shoe and valve body into one body
- Function
- Avoid mud from the well wall entering the casing.
- Alias
- Guide shoes
It is actually a one-way valve, but the lower part is made into a circular plug to guide the casing into the well.
effect:
Avoid the mud in the well wall from entering the casing. There is also a guiding role, so there is also a name called lead shoes.
