pipe-in-pipe casing string 双层组合套管固井技术
casing string design 套管柱设计
mixed casing string 组合套管柱
tapered casing string 直径分段减小的套管柱
combination casing string 组合式套管柱
Casing String Strength 套管柱强度
Technological Casing String 工艺管柱
complex casing string 复合套管柱
combined casing string 组合套管柱
As drilling operations move to deep water, subsea wellhead bears complex stress because it joins the marine riser and casing string. The stability of subsea wellhead becomes increasingly concerned.
深水钻井水下井口上部连接防喷器组及隔水管,下部连接套管串,在钻井作业过程中承受复杂的作用力,一旦发生井口失稳,将会带来严重后果。
参考来源 - 深水钻井井口力学分析及导管承载能力研究Compared the calculating results by FEM (Finite Element Method), those formulas were true. Those formulas give simple methods to design optimally casing string.
通过与有限元法的模拟结果比较以及实验数据证明，文中的理论公式是正确的，为套管柱优化设计提供了简便的方法。
参考来源 - 油层段套管损坏机理研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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。
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。
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。
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