Syncrude Canada Ltd. , a light crude producer majority-owned by Suncor Energy Inc. , cut September supplies due to a mechanical disruption at its oil sands site, according to a person familiar with the situation. In a force majeure notice sent by one of Syncrude’s four owners earlier this month, customers were informed of a supply cut of as much as 20% in September, the person said, asking not to be named because they are not allowed to publicly discuss the matter. Requests for comment to Suncor and fellow owners Imperial Oil Ltd. , Sinopec Canada and CNOOC Ltd. weren’t immediately returned. Syncrude’s upgrader, which turns mined bitumen from the oil sands of northern Alberta into light synthetic crude, produced about 275,000 barrels a day between January and May, Alberta Energy Regulator data show. The supply cut out of Canada happens as oil production in the Gulf of Mexico […]