Floating displacement cementing technology and flush joint casing technology are the first application in sidetracking well of Dagang Oilfield.
漂浮顶替固井工艺、无接箍套管工艺技术是首次应用在大港油田侧钻井上。
This paper presents flush joint casing classification, structural feature, technical difficulty in design, performance and evaluation, main advantages and application.
文中介绍了无接箍式套管的分类、结构特征、设计的技术难点、性能和评价方法、主要优点和应用情况。
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。
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