该扶正器最初的设计目的在于替换固体式扶正器，用于下套管作业，以及复杂井身结构，如水平井、大位移井、J -型井、S -型井和具有其他井身结构设计的井。

It is designed specifically to replace a solid body type centralizer for casing running applications and severe well geometries when run in horizontal, long ERD, J-type, S-type and other well designs.

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实践证明，对于短位移、浅垂深的水平井钻进开发，实施这种“反勾”型方案是切实可行的。

Practice testifies that practice of this kind of reverse well track type project is feasible for the drilling and development of short displacement, the shallow vertical depth horizontal well.

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对于直井，弓型弹簧扶正器足以满足上述功能，并被通常使用。

For straight holes, bow spring centralizers are sufficient and commonly used.

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