Port Author, Texas is may be adding over 600,000 barrels-per-day to their crude oil processing capacity. According to a recent Reuters article Motiva Enterprises is studying an expansion of its Port Arthur, refinery to more than double its current 603,000 barrel-per-day (bpd) crude oil processing capacity, Motiva Chief Executive Brian Coffman said on Saturday.
The company is considering boosting the refinery’s capacity to between 1 million and 1.5 million bpd, Coffman said. The Motiva Port Arthur refinery is currently the country’s largest in capacity.
I think Port Arthur is owned by the Saudis?
Wikipedia confirms this,. It was a JV between the Saudis and Shell…
In March 2016, the joint venture between Shell and Saudi Aramco was set on course to dissolve, and this refinery is now controlled by Saudi Aramco effective May 1, 2017 — Wikipedia