Saudi Arabia's Ministry of Energy has confirmed that the drone attack on Ras Tanura refinery on Wednesday morning did not cause any damages.
According to the Saudi Press Agency (SPA), Ministry of Defence spokesperson, Major General Turki Al-Maliki, said preliminary assessments indicate there is no damage or disruption.
It comes two days after a source said a drone attack on the complex shut the refinery.
Saudi Arabia and other regional Gulf oil producers, such as the UAE, Kuwait and Iraq, have been unable to move oil through the Strait of Hormuz since the US and Israel launched attacks on Iran on Friday.
Hundreds of ships have anchored on either side of the Strait as a precaution, and Iran has said it would fire on any vessel that attempted to transit the shipping choke point.
Ras Tanura sits on Saudi Arabia's eastern coast on the Gulf. Saudi Aramco is attempting to reroute some of its crude exports to the Red Sea to avoid the Strait, sources have said.
US President Donald Trump will follow up his summit with Xi Jinping by taking the Chinese leader on Friday to the US National Archives, where they are expected to stress views about the history and direction of ties between their countries.
France will send troops and defence systems to Saudi Arabia to help protect the Red Sea port city of Yanbu, which is key for energy transport, French President Emmanuel Macron said on Thursday.
The United Nations Conference on Trade and Development (UNCTAD) warned that the Palestinian economy is currently facing “the most severe economic crisis recorded anywhere in the world", with an estimate $71.5 billion needed for recovery.
Prime Minister Benjamin Netanyahu mounted a forceful defence of Israel's actions in the region at the UN, seeking to counter growing international isolation ahead of elections he could lose, as dozens of delegates streamed out.
US President Donald Trump welcomed Chinese President Xi Jinping to the White House on Thursday for a lavish state summit expected to be heavy on symbolism but light on substance, with both leaders keen to showcase stable ties despite a host of thorny issues.