FLEXIBLE PIPE
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United States of America Patent
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Issued Date -
Oct 16, 2014
app pub date -
Dec 13, 2012
filing date -
Dec 23, 2011
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Abstract
A flexible pipe body for transporting production fluids containing one or more acidic components comprises a fluid-retaining inner polymeric barrier layer and at least one layer including a metallic component and arranged outside said barrier layer, wherein said polymeric barrier layer comprises a first, inner, sub-layer of a polymeric barrier material through which at least some of said acidic component may permeate and a second sub-layer formed on said first sub-layer including a material capable of reacting chemically with said acidic component to form reaction products which are non-corrosive to said metallic component.
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