sep 14, 2019 - 2019 Abqaiq-Khurais attack: Two Saudi Aramco oil refineries in Abqaiq and Khurais, Saudi Arabia, are attacked by drones, resulting in fires. Houthi militants claim responsibility, saying that they used ten drones for the attack. Aramco's oil exports and production are disrupted by five million barrels a day, close to half of the entire Saudi Arabian oil exports.[224]