IP Library › Granted Patent US 12,612,843
Granted Patent B2
US 12,612,843 · App. 18/396,082 · Granted Apr 28, 2026

Mechanical support for expandable liner hanger

Inventors: Francois Chevallier (Singapore, SG); Daniel Newton (Singapore, SG); Yian Zhao (Singapore, SG); Xiaoguang Allan Zhong (Singapore, SG); Michael Linley Fripp (Singapore, SG)
Assignee: Halliburton Energy Services, Inc.
E21B43/105
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Quick Facts
Patent No.
US 12,612,843
App. No.
18/396,082
Granted
Apr 28, 2026
Kind
B2
Abstract

Expansion cones and methods of using expansion cones with expandable liner hangers. An example expansion cone includes a detachable support coupled to a mandrel. The detachable support is configured to contact an interior surface of the expandable liner hanger during expansion of the liner hanger. The detachable support is further configured to detach after the liner hanger is expanded thereby producing a detached support. The detached support remains in contact with the interior surface of the expandable liner hanger after expansion of the expandable liner hanger and removal of the mandrel.

Claims (29)

1 . An expansion cone for an expandable liner hanger, the expansion cone comprising:

a detachable support coupled to a mandrel; wherein the detachable support is configured to contact an interior surface of the expandable liner hanger during expansion of the liner hanger; wherein the detachable support remains coupled to the mandrel during expansion of the liner hanger; wherein the detachable support is further configured to detach after the liner hanger is expanded thereby producing a detached support; wherein the detached support remains in contact with the interior surface of the expandable liner hanger after expansion of the expandable liner hanger and removal of the mandrel; wherein the detached support is configured to detach from the mandrel when the mandrel is pulled uphole; wherein the liner hanger comprises a protrusion and the detached support is positioned adjacent to the protrusion to reinforce a contact pressure of the protrusion on an adjacent surface; wherein the detachable support comprises a contact surface in contact with the interior surface of the expandable liner hanger after expansion of the expandable liner hanger and removal of the mandrel; wherein the detachable support further comprises a protrusion on the contact surface.

2 . The expansion cone of claim 1 , wherein the liner hanger comprises two protrusions and the detached support is positioned adjacent to the two protrusions.

3 . The expansion cone of claim 1 , wherein the expansion cone comprises multiple detachable supports.

4 . The expansion cone of claim 1 , wherein the detachable support comprises an expandable metal on a contact surface that remains in contact with the interior surface of the expandable liner hanger after expansion of the expandable liner hanger and removal of the mandrel.

5 . The expansion cone of claim 1 , wherein the expansion cone further comprises a releasing component that is coupled to the detachable support.

6 . The expansion cone of claim 5 , wherein the detachable support is configured to detach from the releasing component.

7 . The expansion cone of claim 6 , wherein the detachable support is detachably coupled to the releasing component with at least one of a shear pin, an adhesive, a collet, a dissolvable material, a snap ring, a friction fit, or any combination thereof.

8 . The expansion cone of claim 7 , wherein the releasing component is disposed in a groove within the mandrel.

9 . The expansion cone of claim 7 , wherein the releasing component is disposed on the exterior of the mandrel.

10 . The expansion cone of claim 7 , wherein the detachable support and the releasing component contact each other with a stepped interface.

11 . A method for expanding a liner hanger, the method comprises:

providing an expansion cone comprising:

a detachable support coupled to a mandrel;

applying pressure to an interior surface of the liner hanger with the expansion cone to expand the liner hanger;

detaching the detachable support from the expansion cone by pulling the mandrel uphole after the liner hanger is expanded to produce a detached support that remains in contact with the interior surface of the expandable liner hanger after expansion of the expandable liner hanger; wherein the detachable support remains coupled to the mandrel during expansion of the liner hanger; and wherein the liner hanger comprises a protrusion and the detached support is positioned adjacent to the protrusion to reinforce a contact pressure of the protrusion on an adjacent surface; wherein the detachable support comprises a contact surface in contact with the interior surface of the expandable liner hanger after expansion of the expandable liner hanger and removal of the mandrel; wherein the detachable support further comprises a protrusion on the contact surface.

12 . The method of claim 11 , further comprising:

removing the mandrel after the detachable support has detached.

13 . The method of claim 11 , wherein the expansion cone further comprises a releasing component and the detachable support is detachably coupled to the releasing component with at least one of a shear pin, an adhesive, a collet, a dissolvable material, a snap ring, a friction fit, or any combination thereof.

14 . The method of claim 11 , wherein the expansion cone comprises multiple detachable supports.

15 . A system for expanding a liner hanger, the system comprising:

a liner hanger having an interior surface;

an expansion cone comprising:

a detachable support coupled to a mandrel; wherein the detachable support is configured to contact the interior surface of the expandable liner hanger during expansion of the liner hanger; wherein the detachable support remains coupled to the mandrel during expansion of the liner hanger; wherein the detachable support is further configured to detach after the liner hanger is expanded thereby producing a detached support; wherein the detached support remains in contact with the interior surface of the expandable liner hanger after expansion of the expandable liner hanger and removal of the mandrel; wherein the detached support is configured to detach from the mandrel when the mandrel is pulled uphole; wherein the liner hanger comprises a protrusion and the detached support is positioned adjacent to the protrusion to reinforce a contact pressure of the protrusion on an adjacent surface; wherein the detachable support comprises a contact surface in contact with the interior surface of the expandable liner hanger after expansion of the expandable liner hanger and removal of the mandrel; wherein the detachable support further comprises a protrusion on the contact surface.

16 . The system of claim 15 , wherein the expansion cone comprises multiple detachable supports.

17 . The system of claim 15 , wherein the liner hanger comprises two protrusions and the detached support is positioned adjacent to the two protrusions.

18 . The system of claim 15 , wherein the detachable support comprises an expandable metal on a contact surface that remains in contact with the interior surface of the expandable liner hanger after expansion of the expandable liner hanger and removal of the mandrel.

19 . The system of claim 15 , wherein the expansion cone further comprises a releasing component that is coupled to the detachable support.

20 . The system of claim 15 , wherein the detachable support is configured to detach from the releasing component.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 26, 2023
From: CHEVALLIER, FRANCOIS; NEWTON, DANIEL; ZHAO, YIAN; ZHONG, XIAOGUANG ALLAN; FRIPP, MICHAEL LINLEY
To: HALLIBURTON ENERGY SERVICES, INC.
Reel/Frame 065954/0378 →
Continuity (1)
Related Publication 20250207483A1 · Jun 26, 2025
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