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US 8,641,407 B2Granted
Tubing expansion
AssigneeWeatherford/Lamb, Inc.
InventorNeil Andrew Abercrombie Simpson
Life of this patent
Estimating the term…
Abstract
A tubing expansion device is adapted to be advanced axially, without rotation, through tubing to be expanded. The device comprises a body and a plurality of expansion members mounted on the body, the expansion members being independently radially movable. The expansion members may be rotatable, or may be non-rotating.
Claims22
An expansion device for a tubing, the device comprising:
- a body;
- and
- an expansion cone having a plurality of expansion members, each expansion member being positioned at an angle relative to a longitudinal axis of the body, and at least one of the expansion members being independently radially movable relative to the body.
A method of expanding a tubing, the method comprising:
- positioning an expansion device in the tubing, the expansion device having an expansion cone with a plurality of expansion members, each expansion member being positioned at an angle relative to a longitudinal axis of the expansion device and at least one of the expansion members is independently radially movable relative to the body;
- and moving the expansion device axially through the tubing to expand the tubing.
Dependencies are inferred from the claim text.