TradeWinds has reported extensively on the Brazilian blocking scenario, which has mostly been limited to core support services.However, as reported back in October, extremely expensive pipe-laying support vessels (PLSVs) are now in the crosshairs. Oslo-listed shipowner DOF then told TradeWinds that it plans to seize work by using its Brazilian-flag PLSVs to block other international-flag ships.

The consequences for PLSV player Subsea 7 could be rather significant, says DNB Markets.

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