1.  The space between the float shoe and the float collar provides a containment area to entrap the likely-contaminated fluids from the wiping action of the top cementing plug, securing the contaminated fluid away from the shoe where a strong cement bond is of primary importance. Float collars include a backpressure valve and serve basically the same function as the float shoe.

2. Our equipment can be connected directly with casing.

3. Eligible back-pressure air proof configuration, can reduce the resistance of grout or mud.

4. Intensity noumenon material equals to APIN-80steel grade.