Challenges of Mitsubishi Membrane LNG Carrier (eBook)

Published Date

January 2000

Challenges of Mitsubishi Membrane LNG Carrier (eBook)

(Excludes any applicable taxes)

This paper focuses on the challenges faced in building Mitsubishi GTT membrane LNG carriers. (17pp)

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Mitsubishi Heavy Industries, Ltd., (MHI) is a pioneer in liquefied gas carriers, having built the world's first large sized refrigerated LPG carrier, the Bridgestone-maru, in 1962. Nowadays, MHI has the top market share in the construction of both large sized LPG carriers and LNG carriers. Since 1983, it has constructed twenty-one Moss spherical tank LNG carriers and is recognized as having the most advanced Moss shipyard. It introduced the second generation LNG carrier concept characterized by a lower boil-off rate (BOR) with a forcing vaporizer system, applying it in the Australian North West Shelf project in 1989. This concept has since become the world standard because of its economical merits and operational flexibility.

MHI has also been studying Gaz Transport membrane tank LNG Carriers in details since a license agreement in 1973 in order to realize more advanced membrane ships.

In 1999 MHI was awarded the contract for the membrane LNG carriers of a Malaysian project as the lead yard in cooperation with Mitsui Engineering and Shipbuilding Co., Ltd., (MES). These membrane ships are now under constructions at the shipyards of the two companies.

Although new generation GTT membrane ships have been constructed since 1994 by various shipyards, we have introduced cutting-edge technology to achieve the further advances GTT membrane ships. Therefore, this paper focuses on the challenges faced in building Mitsubishi GTT membrane LNG carriers, issues such as the incorporation of the latest hydrodynamic technology in the design of an optimal propeller and hull form with simple shaped cargo tanks, a system of detailed structural assessment for safe and reliable construction, production technology advances involving computerized logistics and quality control, an interference checking system and a newly developed automatic TIG welder.

Paper Delivered by:
Kazuaki Yuasa (Mitsubishi Heavy Industries, Ltd)

Prepared for:
Gastech Houston 2000

For over 45 years, the Gastech Exhibition & Conference has been at the forefront of the international gas and LNG market. This world-renowned event is regarded as the most significant meeting place for gas and LNG professionals, where the global industry gathers to do business.

Gastech hosts major IOCs, NOC’s, global utility companies, EPC contractors, shipbuilders, pipeline companies, manufacturers, distributors, technology and service providers, all who play an active role in the global energy value chain.

Title: Challenges of Mitsubishi Membrane LNG Carrier (eBook)
Product Code: 4433g102
Published Date: January 2000

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