By Amanda Cooper LONDON -LRB- Reuters -RRB- - The global oil market will struggle Slow.weak this year to absorb fast-growing Grow.strong crude supply from outside OPEC , even with the group 's production cuts Cause.movement.down.loss and U.S. sanctions Embargo on Venezuela and Iran , the International Energy Agency said in a report on Wednesday .

`` Oil will struggle Slow.weak to make substantial headway topside this week with no progress on trade talks or meetings even , soft data from Asia and a possible cracking of OPEC 's resolve to control production , '' said Jeffrey Halley , senior market analyst at OANDA .