As King Salman cut the ribbon on the giant Sadara complex, Aramco officials revealed plans to double petchems and refining capacity.

Saudi Arabia’s King Salman has inaugurated the $20bn, 3.2mn tons/year Sadara petrochemicals joint venture complex at Jubail on the Saudi Gulf coast. The 26-unit complex is the world’s largest integrated petrochemicals complex built in a single phase.

The ceremonies on 30 November coincided with the announcement by the Sadara partners, Saudi...