To solve this problem, a special casing - TP 130 TT collapsing strength heavy casing has been developed.

针对这一问题, 开发了一种特殊套管 —— TP130TT高抗挤厚壁套管.

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The research shows that the residual stress of casting pipe has significant influence on collapsing strength.

研究表明,残余应力在很大程度上影响着石油套管的抗挤毁强度.

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