angola last updated january 2007 background a significant sub saharan africa oil producer joined the organization of petroleum exporting countries opec in on 1 became 12th member as an will have to pay 2 million per year membership fees and might be restricted by quotas production is second largest behind nigeria set experience increases over next five period new offshore projects come online exports crude primarily china united states europe latin america majority natural gas produced either flared or used recovery help reduce flaring chevron sonangol are planning build ton liquefied lng plant which could operational 2010 overview according journal ogj had proven reserves 8 0 billion barrels located