http://signaloil.wpengine.com/wp-content/uploads/2015/10/Signal-Oil-logo-red-300x32.png00http://signaloil.wpengine.com/wp-content/uploads/2015/10/Signal-Oil-logo-red-300x32.png2018-07-25 13:12:002018-07-25 13:12:00Colombia Could Create New System For Oil Round Bidding Amid Delays