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US 2012/0181732 A1Published application
Tubing expansion
AssigneeWeatherford/Lamb, Inc.
InventorsDavid Stephenson, Grant Adams, David H. Grant, Neil Andrew Abercrombie Simpson
Life of this patent
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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.
Claims24
(canceled)
(canceled)
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
- moving the expansion device axially through the tubing to expand the tubing.
Dependencies are inferred from the claim text.