Commercial crude stockpiles in August rose to 326.6 million barrels, the highest since at least 2002, from 320.2 million barrels in July, the Riyadh-based Joint Organisations Data Initiative said.
Exports dropped to 7 million barrels a day from 7.28 million.
Crude inventories have been at record highs since May, in June Saudi Arabia’s production hit an all-time high of 10.56 million barrels a day, Interfax reports.