Multipurpose deepwater vessel
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United States of America Patent
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Nov 18, 2014
Issued Date -
N/A
app pub date -
Jul 21, 2010
filing date -
Jul 22, 2009
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Abstract
A multipurpose deepwater vessel equipped with a floating structure having a bow, a stern, a weather deck, a first board, and a second board; a J-lay tower hinged to the floating structure along the second board, and movable about a first axis into a number of work positions to join pipe assemblies into an underwater pipeline, and to lay an underwater pipeline; a heavy-duty crane connected at the bow to the floating structure to rotate about a second axis, and having a boom defining an operating range within which the J-lay tower is located in any one of its work positions; and a preassembly line, below the weather deck, for joining pipes into pipe assemblies for supply to the J-lay tower.
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