Stab-in float shoe and float collar have the features of high-temperature, good sealed, drillability and connecting easily. It is used in general technical casing and oil-string casing,also used in deep well,extradeep well and special technology well.

Stab-in float shoe belongs to inner string cementing range,it insists of shell, cement, self-motion grout valve, stab-in sub, O ring and stab-in pipe carrier. Its structure and operating principle are same to caing float shoes, its feature: cementing in big diameter casing, through drill pipe inserts into the stab-in pipe carrier of stab-in shoe to achieve well cementing,this method can reduce wasting cement and avoid in using big diameter plugs in general cementing well,in order to achieve goal of economic and effcient