HOSE BASED OFFSHORE LNG LOADING SYSTEM

摘要

One of the greatest challenges for Floating LNG plants and terminals is the offshore transfer of LNG. Not only must the LNG be delivered at high rates to/from the LNG shuttle tanker, it must be able to do so on a reliable basis, regardless of the weather. The transfer system must provide two independent passages: one for the LNG product and one for the boil-off vapor return. The transfer must be reliable between two moving bodies: the LNG shuttle tanker and the LNG plant or LNG terminal, depending on whether the LNG is being loaded or offloaded.rnIn 1999 ExxonMobil and Senior Flexonics successfully designed and tested a 20-inch composite cryogenic cargo hose for offshore LNG loading. This led to the certification of the hose by Germanischer Lloyd. This work was described in a paper given at Gastech 2000. ExxonMobil has since developed a conceptual design for an offshore loading system utilizing the Senior Flexonics hose for the environmental conditions found off the NW coast of Australia. This paper describes the features of this loading system.