Planning for Longevity.A Review of R&D, Design and Construction of Three Series of Large LNG Carriers (eBook)

Published Date

January 1990

Planning for Longevity.A Review of R&D, Design and Construction of Three Series of Large LNG Carriers (eBook)

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This paper uses current analysis data to discuss longevity issues for three different designs of Moss spherical tank type carriers. (36pp)

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In 1983 Mitsubishi Heavy Industries, Ltd. (MHI) completed its first large LNG carrier "Banshu Maru". It had been 19 years since "Methane Princess" was completed and 10 years since "Normal Lady" was completed. More than 60 large LNG carriers had been built altogether by that time but MHI was very late in starting construction of LNG carriers and had only built six LNG carriers with one on order up to now.

MHI, however, has the largest share of building LNG carriers in 1980s. LNG carriers built by MHI have the following features:
- The LNG carriers for the Indonesian Expansion Projects built by MHI were of a conventional design for reliability as they were for the first LNG project by Japanese.
- The LNG carriers for the Australian NWS Project were of a new generation that h contained many new features.
- The third series LNG carrier for the Badak III Project was of a new generation with a boil-off rate of 0.10%/day, which is lowest in the world.

LNG carriers built by MHI are of the Moss spherical tank type. The LNG carriers in these three series were a transition from the conventional type to the new generation type. During this period, MHI produced highly reliable and economical LNG carriers in cooperation with shipowners.

This paper reviews how MHI used R & D, design and construction of LNG carriers to make these vessels maintain their performance and quality for a long time. Longevity as a technical is fairly new, so the subjects discussed in this paper are based only on the presently available knowledge and information.

Paper Delivered by:
N Itoyama
K Yuasa
O Takamura
J Ishimaru
K Kawaichi
H Takeda
T Yuhara
(all of Mitsubishi Heavy Industries Limited, Japan)

Prepared for:
Gastech Amsterdam 1990

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: Planning for Longevity.A Review of R&D, Design and Construction of Three Series of Large LNG Carriers (eBook)
Product Code: 4433G063
Published Date: January 1990

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