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。
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.
介绍了防转胶塞及配套浮箍的结构、原理和在技术套管固井中的应用情况。
The configuration and principle of anti rotary plug and necessary float collars and their applications in intermediate casing cementing are introduced.
应用推荐