In recent years, more and more anchoring damage to subsea pipelines happened in Bohai Sea. The paper analyzes the dragging force of the anchor and anchor chain, and calculates the dragging force of anchoring operation upon the subsea pipelines using the actual data from a ship. The dragging damage of anchoring operation upon the subsea pipelines is estimated, which can provide some basis to the risk assessment of the subsea pipelines due to the anchoring.
Key words
ship /
anchoring /
subsea pipeline /
dragging force
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