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Self-elevating offshore structure

  • US 7,147,403 B2
  • Filed: 06/30/2003
  • Issued: 12/12/2006
  • Est. Priority Date: 07/01/2002
  • Status: Active Grant
First Claim
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1. An offshore structure suitable for production operations at sea, comprising at least one non-buoyant deck supportable on a transport vessel during transit to a deployment location at sea, a plurality of brace assemblies supporting said deck at an operational level at sea without a buoyant hull, and a plurality of legs supporting said deck and said brace assemblies above sea wave action, each of said plurality of legs being adapted for embedding into a sea bottom while said deck is supported by the transport vessel and being adapted to receiving sufficient loading on leg footings from said transport vessel during embedding into the sea bottom to simulate operating and environmental loads.

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