“No personnel are injured and no impact on operations,” Aramco said in an update on its official Twitter account.
The update appeared as a rebuff of a claim by Yemen-based Houthi rebels who in statement said they damaged the oil facility in a drone attack.
“Our drone air forces have targeted the refinery of ARAMCO company in Riyadh,” read a tweet on the account of the Houthi-run television channel al-Masirah.
The Iran-backed Houthi rebels have fired several missiles on Saudi Arabia. The Saudi kingdom is leading an international coalition seeking to restore the rule of Saudi-backed Yemeni President Mansour Hadi.
The rebels have taken control of large swathes of the country’s territory in the three-year old conflict which has, according to the UN, caused the death of over 10,000 people most of whom civilians.