US 11,732,538 B2
System and method for full bore tubing head spool
Stanley Hosie, Houston, TX (US); and Brian Craig, Aberdeen (GB)
Assigned to Baker Hughes Energy Technology UK Limited, Aberdeen (GB)
Filed by Baker Hughes Energy Technology UK Limited, Aberdeen (GB)
Filed on Jul. 30, 2021, as Appl. No. 17/390,017.
Claims priority of application No. 2011951 (GB), filed on Jul. 31, 2020.
Prior Publication US 2022/0034180 A1, Feb. 3, 2022
Int. Cl. E21B 33/04 (2006.01); E21B 23/03 (2006.01); E21B 19/22 (2006.01); E21B 29/00 (2006.01); E21B 33/06 (2006.01)
CPC E21B 23/03 (2013.01) [E21B 19/22 (2013.01); E21B 29/002 (2013.01); E21B 33/04 (2013.01); E21B 33/0422 (2013.01); E21B 33/06 (2013.01)] 20 Claims
OG exemplary drawing
 
9. A method, comprising:
installing, prior to installation of a blowout preventer (BOP), a tubing head spool (THS), the THS having first inner diameter larger than or equal to a second inner diameter of the BOP;
landing, on a well after installation of the THS, the BOP;
running, through both the THS and the BOP, one or more strings to conduct a wellbore operation;
installing, through the BOP, an orientation sleeve within the THS, the orientation sleeve having a body outer diameter that is less than both the first inner diameter and the second inner diameter; and
landing, through the BOP, a tubing hanger.