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US 2026/0098601 A1Published application
System and method for tight fitting plastic liners in pipeline sections using prestressing elements
AssigneeSaudi Arabian Oil Company
InventorsThibault Villette, Abderrazak Traidia, Anwar Parvez, Abdulaziz Asiri
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Abstract
A method that includes providing a liner including a liner first outer diameter, disposing the liner inside a coil, applying to the liner, using the coil, a radial compression prestress to reduce the liner first outer diameter to a liner second outer diameter, and removing the radial compression prestress thereby expanding the liner from the liner second outer diameter to form a surface-surface contact between the liner and a pipe inner diameter of a pipe.
Claims28
A method comprising:
- providing a liner comprising a liner first outer diameter;
- disposing the liner inside a coil;
- applying to the liner, using the coil, a radial compression prestress to reduce the liner first outer diameter to a liner second outer diameter;
- and
- removing the radial compression prestress thereby expanding the liner from the liner second outer diameter to form a surface-surface contact between the liner and a pipe inner diameter of a pipe.
2 more elements
A system, comprising:
- a liner, comprising a liner first outer diameter, disposed in a coil;
- wherein the coil is configured to apply to the liner a radial compression prestress to reduce the liner first outer diameter to a liner second outer diameter;
- and
- a pipe comprising a pipe inner diameter;
- wherein removing the radial compression prestress expands the liner from the liner second outer diameter to form a surface-surface contact between the liner and the pipe inner diameter.
2 more elements
Dependencies are inferred from the claim text.