US 12,084,938 B2
Tubing hanger with tensioner mechanism
Vern Hult, Calgary (CA); Bernard Lumori, Calgary (CA); Chris Patton, Calgary (CA); and Emery Stoesser, Calgary (CA)
Assigned to EVOLUTION OIL TOOLS INC., Calgary (CA)
Filed by EVOLUTION OIL TOOLS INC., Calgary (CA)
Filed on Sep. 27, 2022, as Appl. No. 17/953,724.
Claims priority of provisional application 63/334,440, filed on Apr. 25, 2022.
Claims priority of provisional application 63/276,076, filed on Nov. 5, 2021.
Claims priority of provisional application 63/249,873, filed on Sep. 29, 2021.
Claims priority of provisional application 63/250,027, filed on Sep. 29, 2021.
Prior Publication US 2023/0121136 A1, Apr. 20, 2023
Int. Cl. E21B 33/04 (2006.01)
CPC E21B 33/0415 (2013.01) 12 Claims
OG exemplary drawing
 
1. A tubing hanger comprising:
an outer hanger body for supporting the tubing hanger in a tubing head, the outer hanger body including a support portion, a rotatable portion and a bearing permitting rotation of the rotatable portion relative to the support portion; and
a mandrel for connection to a tubing string, the mandrel supported in a main bore of the outer hanger body by J-lock mechanisms between the mandrel and the rotatable portion, the mandrel having an upper end configured for engagement with a tubing rotator,
wherein each J-lock mechanism includes:
a J-slot on the mandrel; and
a pin protruding inwardly in the main bore of the outer hanger body, for moving along the J-slot; and
wherein the J-slot includes:
a hanging location where the J-slot is hung on the pin;
an entry opening leading to the hanging location; and
an exit opening extending away from the hanging location and that is separate from the entry opening.