The minimum restriction should be considered in both running and retrieving modes if any increase in tool string outside diameter is likely, such as when perforating or when using inflatable packers.

如果工具管柱外径有可能增加（如在射孔或使用膨胀式封隔器时），则在下入工具管柱和起出工具管柱这两种情况都应考虑井筒最小直径。

youdao