美国《石油情报周刊》2007年12月3日公布了2006年度世界最大50家石油公司综合排名(见表1),这是该刊连续第21年公布这一排名。进入排名的50家石油公司的原油和天然气储量分别占全球总储量的85%和63%,产量分别占到全球产量的80%和70%。在最新公布的排名中,沙特阿拉伯国家石油公司继续位 The United States, “Petroleum Intelligence Weekly” December 3, 2007 announced the 2006 annual ranking of the world’s 50 largest oil companies (see Table 1), which is the 21st consecutive issue of the publication of the rankings. The 50 oil companies that rank among the top 50 oil companies account for 85% and 63% of the world total of reserves of crude oil and natural gas respectively, accounting for 80% and 70% of global production respectively. In the latest rankings, Saudi Arabian National Oil Company continued its position