浮鞋下到尾管底部，用于引导尾管穿过裸眼井段下在井底，同时防止回流。侧面和底部孔眼保证了即使尾管坐放在井底或躺置斜井一侧，都能进行可靠的循环。

主要特性

◎ 超过API RP10F 种类Category IIIC 套管鞋要求； 

◎ 较大的流通面积防止冲蚀以及压力损失。

DOUBLE VALVE FLOAT SHOE

The float valve is run to the bottom of the liner and used to guide the liner to the bottom of the  well through the open hole well and at the same time avoid reflux. Holes in the side and bottom  ensure that reliable circulation can be carried out even the liner is set at the bottom of the well or  lying on one side of the deviated well. 

FEATURES

◎ Beyond casing shoe requirements in API RP10F Category IIIC;

◎ Large port flow area against erosion and pressure loss.

Note: Other specification products are available.