进入世纪之交，石油可持续发展成为人们关注的一个焦点。据全国45种主要矿产资源保证程度分析，到2000年，有10多种不能满足规划建设的需要，其中以石油、天然气供求形势最为严峻，成为制约国民经济发展的“瓶颈”。然而，石油“瓶颈”制约的严峻形势还不仅仅表现于此。“净进 At the turn of the century, sustainable development of petroleum has become a focus of attention. According to the analysis of the 45 major mineral resource assurance levels in the country, by 2000, there were more than 10 types that could not meet the needs of planning and construction. Among them, the supply and demand situation of petroleum and natural gas was the most severe and became a “bottleneck” that restricted the development of the national economy. However, the grim situation of the “bottleneck” restriction of oil is not only manifested here. "Net