Trans Mountain revises heavy crude standards on pipeline

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Trans Mountain, the Canadian government-owned oil pipeline operator, recently adjusted its crude oil acceptance standards following concerns raised by US West Coast refiners about the quality of crude arriving via its expanded pipeline system, TMX. Responding to feedback from 10 companies including Chevron and Valero Energy, Trans Mountain announced it will replace its “Low TAN Dilbit” with “Pacific Cold Lake,” a bitumen diluted with lighter crude. The revised standards aim to limit acidity levels to mitigate potential equipment corrosion and defined new vapour pressure limits to reduce emissions. Trans Mountain plans to further consult with shippers on adjustments to light crude petroleum pools while noting no opposition to the proposed heavy crude pool revisions as of now.

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