Nigeria maintained revenue forecast for this year’s budget based on daily oil production of 2.2m barrels despite output falling over the April, reaching a 22 year low currently.
International oil firms have warned Iraq that projects to increase its crude output will be delayed if the government insists on drastic spending cuts this year
Russia’s oil output set a post-Soviet high in March as the success of a proposed crude production freeze between OPEC members and other major producers appeared to be in doubt.