Which country can boost crude supply to offset the attack on Saudi Arabia?

Here is a list of countries that could boost crude production to offset losses from Saudi Arabia in the event that the disruption to supplies from the attacks on its Abqaiq and Khurais processing facilities lasts longer than initially expected. It’s not a long list and much may not be accessible.

The attacks cut Saudi production by 5.7 million barrels a day and officials at state oil company Saudi Aramco have become less optimistic on the pace of output recovery. The maximum spare capacity that could be brought into production in the coming weeks is estimated at about 3.9 million barrels