Patent ID: 9546531
Date: 2017-01-17
CPC Classifications: E21B

Claim:
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) causing relative longitudinal movement between the sleeve and the mandrel and causing the quick lock/quick unlock system to enter an unlocked state; (d) after step “c”, moving the sleeve outside of the annular BOP; (e) after step “d”, moving the sleeve inside of the annular BOP and having the annular BOP close on the sleeve; and (f) after step “e”, causing relative longitudinal movement between the sleeve and the mandrel and activating the quick lock/quick unlock system.