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GAS IMPORT FLOATING TERMINAL

Objective

An offshore floating LNG storage terminal is proposed in which a large hull is moored to the seabed by means of a turret mooring system that allows the terminal to weather-vane freely in accordance with the prevailing weather conditions. The terminal will receive LNG from normal LNG carriers that berth alongside the terminal; such operation requires calm sea conditions to allow the offloading. This proposal offers such facility in an innovative way by designing the hull and mooring system such that transv erse thrusters are able to rotate the hull so that it is held transversely to the direction of the prevailing seas, so that the hull acts like a breakwater and creates a calmer area in its lee, in which the LNG carrier berths, discharges and unmoors. To further dampen the seas in the lee of the terminal, the hull will be equipped with large horizontal and properly optimised skirts, at keel level. The effectiveness of this has already been proven in principle for a semi-protected sea area on the new floa ting quay in Monaco harbour, which was recently designed and deployed by DORIS Engineering but the design needs to be advanced to a further level, to enable feasibility to be proven for offshore application. The proposed concept will give advantages to th e European industry competing at international level to provide new solutions for importing LNG in densely populated areas in a safe, economical and efficient manner. The project is fully relevant to Objective 2 of the work programme "Advanced design and production techniques", in particular research domain 2.2.

Call for proposal

FP6-2003-TRANSPORT-3
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Funding Scheme

STREP - Specific Targeted Research Project

Coordinator

DORIS ENGINEERING
Address
58A Rue Du Dessous Des Berges
Paris
France

Participants (4)

AKER YARDS SA
France
Address
Avenue Bourdelle
Saint Nazaire
DET NORSKE VERITAS AS
Norway
Address
Veritasveien 1
Hovik
LONDON MARINE CONSULTANTS LIMITED
United Kingdom
Address
St Dunstan's Hill
London
NATIONAL TECHNICAL UNIVERSITY OF ATHENS, SHIP DESIGN LABORATORY & DIVISION OF MARINE STRUCTURE
Greece
Address
Heroon Polytechniou 9
Athens-zografou