二十世纪人类的生活方式受石油和天然气的影响比受任何其他自然资源的影响都要大得多,目前有迹象表明,在到本世纪末这段时间里,石油和天然气储量还将有显著地增加。储量的估计支配着各国政府和整个工业界以及各个公司、信贷机构和私人投资者的行动。许许多多的石油工程师为储量和产能的估计,以及改进储量估计的新方法和新技术的研 Twentieth-century human lifestyles are much more affected by oil and gas than by any other natural resource, and there are signs that by the end of the century oil and gas reserves will have significantly increase. Estimates of reserves govern the actions of governments and industry as a whole, as well as corporations, credit agencies and private investors. A large number of petroleum engineers estimate reserves and capacity, as well as new methods and techniques to improve reserves estimates