Indexing Sub
An indexing sub is a mechanical tool used in oil and gas operations to control or adjust the rotational position of a toolstring within the wellbore. It enables precise alignment for tasks like setting or activating downhole tools.

Indexing subs are vital components in well operations that require controlled tool manipulation, such as packer setting or tubing rotation. By enabling incremental rotation or indexing, these tools ensure accurate positioning and activation of downhole equipment. This precision enhances operational efficiency, reduces risks, and improves overall well performance.
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