Selective Running Tool

Definition - What does Selective Running Tool mean?

Selective Running Tool is a wireline tool which is used to set and retrieve downhole equipment such as flow control devices and plugs in the wellbore. The Selective Running Tool has a nipple which locks with the target nipples in the wellbore. The nipple on the Selective Running Tool lands up on the nipple on the downhole equipment and locks up for retrieval functions.

Petropedia explains Selective Running Tool

The Selective Running Tool makes use of its collet design for locating the desired landing nipple. The collet as well as the lower core of the tool can be easily be changed so that the tool can effectively run and set any size of running tool to lock a mandrel within the specific size of tube in a wellbore. The Selective Running Tool is made by joining various small or big components such as:

  • Top Sub
  • Set Screw
  • Lug Segments
  • Top Core
  • Collet
  • Collet Spring
  • Shear Pin Ring
  • Shear Pin
  • Core Spring
  • Housing
  • Pin
  • Set Screw
  • Bottom Sub
  • Retainer Lugs
  • Bottom Core
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