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Conception et fabrication d'une structure basée sur la gravité et des réservoirs de GNL modulaires pour le terminal GNL Adriatique.

Design and construction of gravity based structure and modularized LNG tanks for the Adriatic LNG terminal.

Auteurs : WATERS L. B., MUELLER C. V., HELLEN P. C., et al.

Résumé

Construction is under way on the world's first offshore LNG storage and regasification terminal, to be installed and operated in the Northern Adriatic Sea, about 17 kilometers east of Porto Levante, Italy. The Adriatic LNG Terminal is designed to deliver 8 billion standard cubic meters of gas into the Italian gas grid via a 30" pipeline to shore. Start-up of the terminal is targeted for 2008. The terminal is a large gravity based structure (GBS), housing two steel LNG storage tanks and a topsides re-gasification facility. The overall dimensions of the GBS are 180 m long, 88 m wide, and 47m high, resting on the seabed at 29m mean sea level. The two 9% nickel (9% Ni) steel LNG storage tanks each measure 155 m long, 33 m wide, and 28 m high. Each tank weighs approximately 4500 mt; the constructed weight of the terminal will be approximately 290,000 mt. This paper summarizes key aspects of the design and construction of the concrete GBS and modularized LNG storage tanks, whose construction were both initiated in early 2005.

Détails

  • Titre original : Design and construction of gravity based structure and modularized LNG tanks for the Adriatic LNG terminal.
  • Identifiant de la fiche : 2008-1142
  • Langues : Anglais
  • Source : LNG 15. Proceedings of the 15th International Conference and Exhibition of Liquefied Natural Gas.
  • Date d'édition : 24/04/2007

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