CPC E21B 33/064 (2013.01) [E21B 17/01 (2013.01); E21B 17/05 (2013.01); E21B 17/1007 (2013.01); E21B 21/00 (2013.01); E21B 21/001 (2013.01); E21B 33/06 (2013.01); E21B 33/076 (2013.01)] | 19 Claims |
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 a 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 a pressure relief mode, the swivel tool being reversibly switchable between pressure relief and non-pressure relief modes;
(b) after step “a”, having the 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.
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