Self-energizing seal for expandable liner hanger
AssigneeHalliburton Energy Services, Inc.
InventorsXiaoguang Allan Zhong, Yian Zhao, Shobeir Pirayeh Gar, Chee Sing Kelvin Loh
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Abstract
Embodiments of a system, method, and apparatus for a liner hanger installed into a wellbore are disclosed herein. In one embodiment, an apparatus comprises a liner hanger to be positioned within a wellbore, wherein the liner hanger comprises, at least one spike to secure the liner hanger to a casing within the wellbore, wherein an outer diameter of the at least one spike includes a seal recess; and a seal object to be positioned in the seal recess to form a seal with the casing when the liner hanger is hanging on the casing.
Claims21
An apparatus comprising:
- a liner hanger to be positioned within a wellbore, wherein the liner hanger comprises,
- at least one spike to secure the liner hanger to a casing within the wellbore, wherein an outer diameter of the at least one spike includes a seal recess;
- and
- a seal object to be positioned in the seal recess to form a seal with the casing when the liner hanger is hanging on the casing, wherein the seal object has a hollow interior.
A system comprising:
- a liner to be positioned in a wellbore;
- and
- a liner hanger to be coupled with the liner, wherein the liner hanger comprises,
- at least one spike to secure the liner hanger to a casing within the wellbore, wherein an outer diameter of the at least one spike includes a seal recess;
- and
- a seal object to be positioned in the seal recess to form a seal with the casing when the liner hanger is hanging on the casing, wherein the seal object has a hollow interior.
A method comprising:
- coupling a seal object with at least one spike of a liner hanger, the at least one spike to secure the liner hanger to a casing within a wellbore;
- wherein an outer diameter of the at least one spike includes a seal recess;
- and
- wherein the seal object forms a seal with the casing when the liner hanger is hanging on the liner, wherein the seal object has a hollow interior;
- coupling the liner hanger with the liner;
- lowering the liner hanger and the liner downhole into a wellbore;
- and
- securing the liner hanger to the casing using the at least one spike to create a seal between the seal object and the casing.
Dependencies are inferred from the claim text.