Back to results
US 2026/0125962 A1Published application
Tensioned wellhead systems and related methods
AssigneeOnesubsea, LLC
InventorsJohan Andre Riis Wesmann, Brynjulf Spalder
Life of this patent
Estimating the term…
Abstract
An embodiment of a wellhead system includes a receptacle having a central axis. In addition, the wellhead system includes a wellhead housing that is axially inserted into the receptacle relative to the central axis. Further, the wellhead system includes a pair of shouldered engagements coupled between the receptacle and the wellhead housing that are configured to maintain tension in the wellhead housing axially between the pair of shouldered engagements relative to the central axis.
Claims20
A wellhead system comprising:
- a receptacle having a central axis;
- a wellhead housing that is axially inserted into the receptacle relative to the central axis;
- and
- a pair of shouldered engagements coupled between the receptacle and the wellhead housing that are configured to maintain tension in the wellhead housing axially between the pair of shouldered engagements relative to the central axis.
1 more element
A wellhead system comprising:
- a receptacle including:
- a central axis;
- an upper end;
- a lower end axially spaced from the upper end along the central axis;
- and
- an inner landing shoulder defined in the receptacle, between the upper end and the lower end;
- a wellhead housing including:
- an outer landing shoulder, where the wellhead housing is axially inserted into the receptacle so that the outer landing shoulder is engaged with the inner landing shoulder of the receptacle;
- and
- a locking assembly engaged between an outer surface of the wellhead housing and the receptacle such that a portion of the wellhead housing extending axially between the outer landing shoulder and the lower end of the receptacle is axially tensioned relative to the central axis.
7 more elements
A method comprising:
- (a) inserting a wellhead housing into a receptacle of a wellhead system;
- (b) engaging an outer landing shoulder on the wellhead housing with an inner landing shoulder of the receptacle;
- (c) tensioning the wellhead housing below the outer landing shoulder after (b);
- and
- (d) maintaining a tension of the wellhead with a locking assembly.
2 more elements
Dependencies are inferred from the claim text.