US 11,905,784 B2
Rotatable wellhead and centralizer
Kieran Chiverton, Dalby (AU)
Assigned to AS Innovative Holdings Pty Ltd, Brisbane (AU)
Appl. No. 17/909,588
Filed by AS INNOVATIVE HOLDINGS PTY LTD, Brisbane (AU)
PCT Filed Mar. 5, 2021, PCT No. PCT/AU2021/050195
§ 371(c)(1), (2) Date Sep. 6, 2022,
PCT Pub. No. WO2021/174313, PCT Pub. Date Sep. 10, 2021.
Claims priority of application No. 2020900706 (AU), filed on Mar. 6, 2020.
Prior Publication US 2023/0109838 A1, Apr. 13, 2023
Int. Cl. E21B 33/04 (2006.01); E21B 17/10 (2006.01)
CPC E21B 33/0415 (2013.01) [E21B 17/1078 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A wellhead, comprising:
a) a casing head;
b) a tubing hanger; and
c) a rotation assembly connected to the tubing hanger;
wherein the tubing hanger is rotatable relative to the casing head and this rotation is effected by the rotation assembly;
wherein the rotation assembly comprises a linear actuator that is pivotally connected to the tubing hanger in a manner that allows location of the connection to be adjusted around a circumference of the tubing hanger; and
wherein the tubing hanger comprises a peripheral groove, and the rotation assembly comprises a tab that is inserted in the groove for connection of the rotation assembly to the tubing hanger.