简介:Crudeoilisthemostimportantbasicenergyintheworldnowadaysandiscloselyconnectedwiththedevelopmentofnationaleconomy,consolidationofnationaldefenseandthelivingstandardofthepeople.Changesincrudepricecanhaveadecisiveimpactonanation'spoliticalandeconomicsituation.Hencethegovernmentofeverycountrysticksgreatimportancetocontrolovercrudeoilresourcesandadjustmentofcrudepricetoassurethestabilizationofitsdomesticcrudeoilmarket.