从1993年我国由石油出口国变成石油进口国以来，由于石油需求快速增长，而国内石油产量增长缓慢，使得进口连年增长。2003年我国石油净进口达8000多万吨，预计今年将突破1亿吨，目前我国对进口石油依存度已达40％。而国际市场石油价格跌宕起伏的特点，以及我国石油进口大部分通 Since China became an oil importing country from an oil exporting country in 1993, the rapid growth of oil demand and the slow growth of domestic oil production have caused the import to grow year after year. In 2003, China’s net oil imports reached more than 80 million tons and it is estimated that this year it will exceed 100 million tons. At present, China’s dependence on imported oil has reached 40%. The international oil prices ups and downs of the characteristics of China’s oil imports and most of the pass