float shoe [油气] 浮鞋
ball float shoe 球形浮鞋
casing float shoe 套管浮鞋
cement float shoe 注水泥浮靴
flapper float shoe 舌型浮鞋
tubing float shoe 油管浮鞋
casing float shoe and collars 套管引鞋与回压凡尔
stab-in cementing float shoe 内管法注水泥浮鞋
The outer portions of the float shoe are made of steel and generally match the casing size and threads, although not necessarily the casing grade.
浮鞋的外壁由钢制成，且一般与套管的尺寸和丝扣匹配，然而浮鞋的钢级不一定要与套管钢级一致。
A float collar is placed at the top of the float joint and a float shoe placed at the bottom to prevent reverse flow of cement back into the casing after placement.
浮箍是放置于浮动接头之上的，而浮鞋则是放置于浮动接头之下，以防止水泥浆回流到套管内。
The float shoe prevents reverse flow, or U-tubing, of cement slurry from the annulus into the casing.
浮鞋能够防止环空中的水泥浆向套管内流动这种回流或者U型管效应的发生。
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