Expansion System for Expandable Tubulars
First Claim
1. An apparatus for radially expanding and plastically deforming an expandable tubular member, comprising:
- a resilient launcher comprising a launcher portion and a sleeve portion, wherein an inner diameter of the sleeve portion is smaller than an inner diameter of the launcher portion;
an expansion cone disposed in the launcher portion of the resilient launcher; and
an expandable tubular disposed around the sleeve portion and above the launcher portion of the resilient launcher,wherein the launcher portion comprises a port that is sealable below the expansion cone.
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Accused Products
Abstract
Methods and apparatus for radially expanding and plastically deforming an expandable tubular include a resilient launcher. The resilient launcher includes a launcher portion and a sleeve portion. An inner diameter of the sleeve portion is smaller than an inner diameter of the launcher portion. An expansion cone is disposed in the launcher portion of the resilient launcher. The expandable tubular is disposed around the sleeve portion and above the launcher portion of the resilient launcher. The launcher portion comprises a port that is sealable below the expansion cone.
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Citations
11 Claims
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1. An apparatus for radially expanding and plastically deforming an expandable tubular member, comprising:
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a resilient launcher comprising a launcher portion and a sleeve portion, wherein an inner diameter of the sleeve portion is smaller than an inner diameter of the launcher portion; an expansion cone disposed in the launcher portion of the resilient launcher; and an expandable tubular disposed around the sleeve portion and above the launcher portion of the resilient launcher, wherein the launcher portion comprises a port that is sealable below the expansion cone. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method comprising:
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locating an expansion apparatus in a wellbore at the end of a work string, wherein the expansion apparatus comprises, a resilient launcher comprising a launcher portion and a sleeve portion, wherein an inner diameter of the sleeve portion is smaller than an inner diameter of the launcher portion, an expansion cone disposed in the launcher portion of the resilient launcher, and an expandable tubular disposed around the sleeve portion and above the launcher portion of the resilient launcher; closing a port in the launcher portion of the resilient launcher below the expansion cone; pumping fluid into the launcher portion of the resilient launcher below the expansion cone to drive the expansion cone upward into the sleeve portion of the resilient launcher and expand the expandable tubular. - View Dependent Claims (10, 11)
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Specification