Pipeline assembly with thermal shielding
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United States of America Patent
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app pub date -
Aug 20, 2004
filing date -
Aug 20, 2003
priority date (Note) -
Abandoned
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Abstract
In a method for providing a pipeline assembly, having an inner pipeline and an outer pipeline, the outer pipeline is formed by welding outer pipe sections together. A thermal shielding is provided to protect the inner pipeline from the heat generated by the welding of the outer pipe sections. The thermal shielding had a low thermal conductivity and is heat resistant. The thermal shielding may have an annular form. The method may be used in laying a deep sea pipeline assembly and used in a J-lay method or S-lay method of laying pipes.
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