US 11,814,926 B2
Multi plug system
Andres Sosa, Spring, TX (US)
Assigned to BAKER HUGHES OILFIELD OPERATIONS LLC, Houston, TX (US)
Filed by Andres Sosa, Spring, TX (US)
Filed on Nov. 30, 2021, as Appl. No. 17/538,894.
Prior Publication US 2023/0167706 A1, Jun. 1, 2023
Int. Cl. E21B 33/13 (2006.01); E21B 34/14 (2006.01); E21B 23/04 (2006.01)
CPC E21B 33/13 (2013.01) [E21B 23/0413 (2020.05); E21B 34/142 (2020.05); E21B 2200/04 (2020.05)] 13 Claims
OG exemplary drawing
 
1. A method of setting a string in a borehole, comprising:
disposing a string in the borehole, the string including:
a ball valve including a top sub and a bottom sub;
a first lock coupling the ball valve to a retrieving head, the first lock including a ball seat that retains a mandrel in a first position;
a second lock axially separated from the first lock along the string;
a clutch configured to engage the ball valve to a plug, the plug including a wall-engaging component;
dropping a ball onto the ball seat of the first lock to activate the first lock by moving the ball seat to release the mandrel, wherein activating the first lock disengages the ball valve from the retrieving head;
deforming the ball through the ball seat to allow the ball to drop through the second lock to activate the second lock, wherein activating the second lock disengages the ball valve from the plug;
moving the retrieving head to engage the clutch, thereby engaging the bottom sub of the ball valve to a wall-engaging component of the plug; and
rotating the top end of the ball valve via the retrieving head.