... combination casing string 组合式套管柱 Casing String Strength 套管柱强度 mixed casing string 组合套管柱 ...
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It has a practical meaning for the strength design and combination usage of drill string, casing and tubing under different technological conditions.
对处于不同工艺条件下的钻柱、套管、油管的强度设计和组合使用等均有实际意义。
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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。
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