US 12,305,465 B2
Nested tubing hanger
Christopher William Hebert, Edmonton (CA)
Assigned to Innovex International, Inc., Houston, TX (US)
Filed by Dril-Quip, Inc., Houston, TX (US)
Filed on Dec. 11, 2023, as Appl. No. 18/535,870.
Claims priority of provisional application 63/432,331, filed on Dec. 13, 2022.
Prior Publication US 2024/0191588 A1, Jun. 13, 2024
Int. Cl. E21B 33/04 (2006.01)
CPC E21B 33/04 (2013.01) 17 Claims
OG exemplary drawing
 
1. A nested tubing hanger, comprising:
a wellhead housing defining a wellhead bore;
an outer hanger installed within the wellhead bore of the wellhead housing, the outer hanger having an inner surface that defines a parent bowl, the outer hanger comprising a hanger engagement that is radially moveable between a release position and an engagement position relative to the inner surface;
an actuator that is moveable between an unactuated position and an actuated position, wherein, as the actuator moves from the unactuated position to the actuated position, the actuator actuates the hanger engagement to move from the release position to the engagement position; and
an inner hanger supported by the parent bowl of the outer hanger, the inner hanger having an inner surface that defines an inner tubing bowl, and an engagement profile on an outer surface of the inner hanger, wherein, with the hanger engagement in the engagement position, the inner hanger is locked within the outer hanger, and with the hanger engagement in the release position, the inner hanger is removeable from the outer hanger.