anti-collapsing strength of casing pipe 套管抗挤压力
strength of flywheel casing 飞轮壳强度
strength design of casing strings 套管柱强度设计
Design of Casing Strength 套管强度设计
The gluing deteriorates seal performance and connection strength of casing directly.
套管一旦发生粘扣，直接影响到套管柱的密封性能和连接强度。
The results of calculation and test show that the strength of casing reduces along with the perforation density increases.
计算和试验结果都表明，射孔后套管的极限承载能力均有不同程度的下降，下降幅度与射孔密度有关。
In strength of casing, based on analyzing the influences made by cementing, perforating and non-uniform, the concept of decrease factor of casing strength.
在套管的强度方面，分析了水泥坏、射孔、非均匀载荷等套管强度的影响，提出了套管强度减弱系数的概念。
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