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Downhole tool

  • US 9,611,719 B2
  • Filed: 11/21/2013
  • Issued: 04/04/2017
  • Est. Priority Date: 05/02/2011
  • Status: Expired due to Fees
First Claim
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1. A downhole tool having an interior flowpath and an exterior, the tool comprising:

  • a nested sleeve assembly comprising a shifting sleeve, the shifting sleeve having a first position, a second position, a first end and a second end, the first end and second end each in fluid isolation from the interior flowpath and the exterior; and

    an indexing assembly in communication with the shifting sleeve, the indexing assembly having, a run in position, an actuated position and at least one non-actuated position between the run in position and the actuated position;

    wherein, the indexing assembly advances from a first non-actuated position to the actuated position in response to a predetermined stimulus;

    further, wherein the indexing assembly prevents the shifting sleeve from moving to the second position when the indexing assembly is in the at least one non-actuated position; and

    a collet assembly in communication with the shifting sleeve and the indexing assembly, wherein said collect assembly comprises a collet and a collet retainer;

    wherein the collet is connected to the collet retainer and disposed between the shifting sleeve and the indexing assembly;

    and further wherein the collet and collet retainer are configured to disconnect in response to movement of the indexing assembly to the actuated position.

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