用套管弹性解定义的套管地应力载荷，稍低于流变地层中套管所受最大压力。
The casing tectonic stress load defined by elastic solution is slightly less than the maximum pressure subjected by casing pipe in rheological formation.
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。
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.
流经上部地层的那部分电流变得可以忽略不计。
The portion of the current confined to the surface layer becomes negligible.
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