Couplings for expandable tubular
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United States of America Patent
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May 23, 2017
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N/A
app pub date -
Mar 13, 2014
filing date -
Mar 15, 2013
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Abstract
An expandable tubular for use in a wellbore includes: a pin formed at a first longitudinal end of the expandable tubular; a box formed at a second longitudinal end of the expandable tubular; a tubular body connecting the pin and the box; and an elastomeric seal disposed in a groove of the box. Each of the pin and box has: a torque shoulder; and a thread. The pin has an asymmetric protrusion formed on an inner surface thereof.
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