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一、国外对天然气成因的认识目前世界上找到的许多油气田,可认为是古代有机质经过漫长地史复杂演化到今天的归宿地,因此,追根溯源研究过去岩石中有机质是如何演化成今天油气田的,是一个复杂而困难的问题。由于油气工业的高速度发展,人们越来越认识到研究油气生成的重要性,正确判断生油层及其潜力可减少勘探工作中的盲目性,增加勘探成功的把握性。国外目前对油气生成问题非常重视,由于现代分析技术的发展和大量勘探实践资料的积累,对这一问题的认识有很大的发展。一九六五年以来,西欧和苏、美的石油工作
First, the foreign understanding of the cause of natural gas Many of the world’s oil and gas fields can be thought of as ancient organic matter after a long history of complex evolution to the destination, therefore, tracing the source of the past rock in the evolution of organic matter into today’s oil and gas fields, It is a complex and difficult issue. Due to the rapid development of oil and gas industry, people are more and more aware of the importance of studying oil and gas generation. Correctly judging the potential of oil and gas reservoirs can reduce the blindness in exploration and increase the mastery of exploration success. At present, foreign countries attach great importance to the issue of oil and gas generation. Due to the development of modern analytical techniques and the accumulation of a large amount of exploration and practice materials, there has been a great development in understanding this issue. Since 1965, Western Europe and the Soviet Union, the United States oil work