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What is Subsea Pipeline Free Span Analysis about?

This document presents a method for assessing and analyzing unsupported spans in subsea pipelines. Five analysis methods are developed: three static methods that evaluate spans due to seabed depressions/obstructions and stresses, and two dynamic methods that evaluate vortex-induced vibrations. A Combined Analysis Method evaluates all five simultaneously. The methods are designed for hand or spreadsheet calculations. Guidelines are provided for preventing spans in new pipelines and remediating spans in exist

Author

Olusola Oguntuberu

Language

EN