The Geneva-based trader Alvari SA has in recent months brokered several shipments of Russian oil products to Morocco, worth tens of millions of dollars. Tankers with names such as Tranquil Sea, Duke II, and Eldia carried the products from Russian ports on the Baltic to the kingdom's Atlantic coast. 

The Tranquil Sea, now flying the Cameroonian flag, sailed to the Moroccan mineral and energy port of Jorf Lasfar between October and December last year. By late October, it had loaded over 4,300 metric