A multipurpose deepwater vessel (1) equipped with a floating structure (2) having a bow (3), a stern (4), a weather deck (5), a first board (6), and a second board (7); a J-lay tower (10) hinged to the floating structure (2) along the second board (7), and movable about a first axis (Al) into a number of work positions to join pipe assemblies (TA) into an underwater pipeline (P), and to lay an underwater pipeline (P); a heavy-duty crane (11) connected at the bow (3) to the floating structure (2) to rotate about a second axis (A2), and having a boom (12) defining an operating range (WS) within which the J- lay tower (10) is located in any one of its work positions,- and a preassembly line (20), below the weather deck (5), for joining pipes (TM) into pipe assemblies (TA) for supply to the J-lay tower (10).
Multipurpose deepwater vessel
2016-06-30
Patent
Elektronische Ressource
Englisch
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