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1·Stage cementers are installed at selected intervals in the casing string.

在套管柱预定段安装多级注水泥接箍。

2·In conventional casing string design, only casing strength is considered.

传统的套管柱设计中，套管只进行强度设计。

3·A generic term used to describe equipment attached to, and run with, the casing string.

描述固定于套管柱并与套管柱一起下入的设备所用的一般术语。

4·A tapered, often bullet-nosed piece of equipment often found on the bottom of a casing string.

一种锥型，通常是圆头引导器形状的器件，一般出现在套管柱的最下端。

5·The subassembly of a wellhead that supports the casing string when it is run into the wellbore.

当套管柱下入井筒时支承套管柱的井口装置配件。

6·Sea water is used as displacement fluid, which can provide the floating force of casing string.

采用海水顶替液，实现套管的浮力漂浮。

7·A mill is usually used to remove junk in the hole or to grind away all or part of a casing string.

铣鞋通常用于除去井下的碎屑或者研磨掉整个或部分套管。

8·A downhole tool used to confirm or correlate treatment depth using known reference points on the casing string.

利用套管柱上的已知的基准点来确认或对比处理深度所用的井下仪器。

9·The paper quantitatively studies the casing string wear and presents the worn casing string profile of the well.

计算了该井技术套管磨损量并描述了套管磨损形状。

10·The releasing one-way valve is used to release the pressure from the casing string and pick up the device properly.

释放单向阀用于释放管柱内的压力使装置顺利从套管中提出。