E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 17/08 (2006.01) E21B 43/10 (2006.01)
Patent
CA 2463243
Embodiments of the present invention generally relate to a joint used with expandable sand screens and other expandable tubulars that permits elongation or contraction of the expandable tubulars during a tubular expansion operation within a wellbore. In one aspect, a connection assembly for use with expandable tubulars is provided. The connection assembly includes a first expandable tubular axially fixable at one end within a wellbore and a second expandable tubular axially fixable at one end within the wellbore. The second expandable tubular has an opposite end adapted to receive an opposite end of the first expandable tubular to provide a joint between the tubulars. The connection assembly further includes a releasable connection between the opposite ends of the tubulars for selectively permitting axial movement of the opposite ends relative to each other. In another aspect, a method for joining a first expandable tubular and a second expandable tubular is provided. Furthermore, a method for substantially eliminating tension or compression forces within an expandable tubular string positioned in a wellbore is provided.
Deeth Williams Wall Llp
Weatherford/lamb Inc.
LandOfFree
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