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Marine structure

  • US 4,188,157 A
  • Filed: 03/13/1978
  • Issued: 02/12/1980
  • Est. Priority Date: 03/15/1977
  • Status: Expired due to Term
First Claim
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1. An offshore structure for handling of cryogenic fluids, such as liquefied natural gas, comprising a lower section of concrete and an upper section projecting up from the lower section above the sea level to support a deck superstructure, the lower section being formed of a plurality of cells, at least one of said cells housing an insulated tank for storage of low temperature fluids, the insulated tank housed by said at least one cell being completely submerged in operation and being rigidly supported by said at least one cell, said storage tank also comprising at least a primary and secondary barrier with insulation associated therewith, and said offshore structure further comprising an access tunnel system providing communication between the storage tank and the deck superstructure.

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