Abstract: This paper makes a deep and detailed analysis of the oilfields in the world on the basis of their emerging age and distribution characteristics in different countries, and makes up a table of the world's large oilfields in terms of oil production. Meanwhile, it demonstrates the current situation of China's crude oil import, and puts forward that China has to actively explore overseas market and launch international business besides exploring and developing domestic resources.

Key words: oilfield, conventional oil, non-conventional oil

摘要： 文章结合世界油田在各国的成藏起始年代及分布特点,对其进行了较为深入、细致的分析,并按照产量制成世界大油田表。同时,阐明了我国原油进口的现状,指出我国除了积极勘探开发国内资源外,必须积极开拓海外市场,开展国际贸易。

关键词: 油田, 常规石油, 非常规石油