Brent crude futures edged up 13 cents to $72.65 a barrel.
"In 2022 there is scope for the 24-member OPEC+ group, led by Saudi Arabia and Russia, to ramp up crude supply by 1.4 million barrels per day (bpd) above its July 2021-March 2022 target," the IEA said.
Analysts expect Iran, which is having its presidential election on June 18, to increase its production by 500,000 to 1 million barrels per day once sanctions are lifted.