Top oil exporter Saudi Arabia's spare oil production capacity is more than two million barrels per day, Ibrahim Al-Muhanna, adviser to Saudi Arabia's oil minister, has said.

"For the past quarter century, Saudi Arabia has maintained significant spare production capacity, which reached a height of five million barrels per day at some points in the eighties and stands at more than two million barrels per day today," he told an oil conference in Paris.

The spare capacity is kept for emergency use.-Reuters