US Atlantic Coast margins weakened last week as refiners returned from planned work while in Northwest European margins rose on refinery outages, despite tighter crude supplies from quality issues and production problems, an analysis from S&P Global Platts showed Monday.  Refiners in both regions looked to plug the supply gap left by production problems in the North Sea and the knock-on effect of the Urals crude contamination on Central and Eastern European refineries, which forced some shutdowns. A $3/b week on week rise in the price of Canada’s Hibernia crude – a go-to crude for Phillips 66’s 258,000 b/d Bayway refinery in Linden, New Jersey — was due to increased demand for the lighter crude used by both USAC refiners and many Northwest European refiners. As a result, USAC Hibernia cracking margins fell to $9.15/b the week […]