EIA in the United States has hit its highest since August 2015, government data shows.13 GMT (7.Given that inventories remain high and prices are half their mid-2014 level, Opec members including top exporter Saudi Arabia support prolonging the curbs.US output gains are limiting the impact of efforts led by the Organization of the Petroleum Exporting Countries to cut output by almost 1.US drillers added nine oil rigs in the week to April 28, bringing the count to the most since April 2015, energy services company Baker Hughes said on Friday.Last week, Iran’s Oil minister said Opec and non-Opec countries had given positive signals for an extension of output cuts, which Tehran would also back.13 am ET).Prices also came under pressure after an official survey showed on Sunday that growth in [...]