Australia is facing uncertain times with no energy policy or substantial plan for dealing with shocks such as the attack on the Saudi refinery.
On Monday the broader ASX finished flat,but its energy contingent held strong.
Trump said he had also authorised the use of the US emergency oil stockpile to ensure stable supplies after the attack.
An attack on a major oil processing facility in Saudi Arabia has led to a spike for crude oil prices.
The way multiple relatively inexpensive drone devices were apparently able to pierce Saudi defences in a way that a traditional air force could not has the potential to change modern warfare.
The officials say the intelligence shows that the strikes are inconsistent with the kind of attack that would have been launched from Yemen.
One of the most devastating strikes into Saudi territory has escalated tensions between the US and Iran.
Production of 5.7 million barrels of crude oil is suspended by a major attack on the Saudi state-run oil giant Aramco,which was claimed by Yemen's Houthi rebels.
The explosion set off a huge fire at one of the two Saudi Aramco sites,the Saudi Interior Ministry said.