In September 1985, Shell Expro, operating on behalf of the Shell/Esso joint venture in the North Sea, initiated the Structural Integrity Project (SIP) to develop a modern, comprehensive, in-house structural analysis facility comprising detailed finite element models of some 15 installations and a database of analysis results. The SIP was established to enable high quality technical assessments to be made in a short period of time and to provide engineering support in the areas of safety, re-certification, emergency response, inspection and maintenance and to assess changes in operational requirements, such as increases in topside weight. Recent work with the completed models of all the steel, concrete and floating/compliant structures indicates that the structural analysis database will be a valuable and cost effective resource for Shell Expro's business needs for the next 10 to 15 years.

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