×

Rotating and reciprocating swivel apparatus and method

  • US 10,570,691 B2
  • Filed: 06/11/2018
  • Issued: 02/25/2020
  • Est. Priority Date: 05/08/2006
  • Status: Active Grant
First Claim
Patent Images

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

    (b) after step “

    a”

    , having the annular BOP close on the sleeve;

    (c) 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.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×