Investing.com - Oil prices ticked higher on Tuesday, but gains were held in check on reports of growing inventories in the U.S. and extra supplies coming from Saudi Arabia, Kuwait and Iran.
Brent crude futures were trading at $44.53 per barrel at 09:02 GMT, up 21 cents from their last settlement.
U.S. crude futures were up 20 cents at $42.84 per barrel.
Saudi Arabia announced that it will complete an expansion of its Shaybah oil field by June while Kuwait is expecting output to increase after the end of a workers strike.
Iran oil production has now increased by 1 million barrels per day since the beginning of the year, bringing it closer to pre-sanction production levels of 4 million barrels per day.