Method of laying a pipeline

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United States of America Patent

PATENT NO 9638352
SERIAL NO

14402916

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Abstract

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A method of laying a subsea pipeline from a reel, the pipeline having an in-line first locking member, the method having at least the steps of: (a) laying the pipeline under the water from the reel; (b) cutting the pipeline above the first locking member; (c) coupling the first locking member with a complementary second locking member; and (d) lowering the first and second locking members under the water. In this way, the pipeline already has located within it a suitable locking member for the abandoning operation, avoiding the need for a separate off-shore welding operation.

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Patent Owner(s)

  • TECHNIP FRANCE

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Varfolomeev, Alexey Sandvika, NO 2 2

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