Marathon Petroleum’s heavy oil upgrade project at its 100,000 b/d refinery in Detroit remains on pace for comple- tion in the third quarter. Marathon said the Detroit heavy oil upgrading project was 92pc complete as of 31 March. A new, two-drum, 28,000 b/d delayed coker will move the refinery to 83pc heavy oil while boosting capacity by 15pc to 115,000 b/d. The refinery upgrade positions Marathon to capi- talize on Canadian oil sands production.
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