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Rotating and reciprocating swivel apparatus and method

  • US 9,995,101 B2
  • Filed: 01/17/2017
  • Issued: 06/12/2018
  • Est. Priority Date: 05/08/2006
  • Status: Active Grant
First Claim
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1. A method of using a reciprocating swivel in a drill or work string, the method comprising the following steps:

  • (a) lowering a rotating and reciprocating tool to an annular BOP, the tool comprising a mandrel and a sleeve, the sleeve being reciprocable relative to the mandrel and the swivel including a quick lock/quick unlock system which has locked and unlocked states, the swivel including an interstitial space between the sleeve and the mandrel, the interstitial space having a interstitial pressure relief mode and non-pressure relief modes, the swivel being reversably switchable between pressure relief and non-pressure relief modes;

    (b) after step “

    a”

    , having the annular BOP close on the sleeve;

    (c) after step “

    b”

    , causing relative longitudinal movement between the sleeve and the mandrel and activating the quick lock/quick unlock system to cause the quick lock/quick unlock to change from an unlocked to a locked state.

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