The result of analysis indicates that the remaining strength of perforating casing with different scheme for holding is different.
分析结果表明，不同布孔方案的射孔套管的剩余强度是不同的。
The casing strength design charts presented by this paper can be used to check the safety of the casing in salt bed or help perform casing strength design when the load is known.
可用来检测盐岩等流变地层中下入套管的安全性或在已知套管外载时进行套管强度设计。
Since casing strength performance can be influenced by many factors, it is hard to confirm casing strength margin and its value.
套管强度性能受多种因素的影响，如何确定套管强度余量及其大小，是一个难题。
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