摘要
由于有机地化和油气运移基础理论的研究进展,油气的地球化学勘探正从静态定性评价向动态定量模拟发展。有机地化的研究进展主要表现在新的有机成岩作用理论的提出和多种干酪根成因类型的发现、未(低)成熟油和煤成油的发现及成因研究、有机相的应用以及分子有机地球化学的迅速发展等。油气运移的研究进展主要反映在对初次运移的动力、相态、机制及地化效应的进一步认识、油气运移的实验及数学模拟等。应用于油气勘探的盆地模拟包括构造沉降史、热史、生烃史及流体运移史等多方面模拟,它既是重建盆地演化史的手段,亦是指导油气勘探的有效工具。
As a result of advances in studies of organic geochemistry and petroleum migration, the geochemical prospect for oil and gas is now being developed from static, qualitative evaluation into dynamic , quantitative modeling. The advances in petroleum geochemistry made in the last ten years lie mainly in the raise of the new organic diagenetic theory and the discovery of a variaty of genetic kero-gen types, the discovery of immature oils and coal-generated oils, the application of organic facies in source rock studies and basin analyses as well as the wide uses of biomarkers. Advances in petroleum migration studies are mainly reflected on the further understanding of the driving force, phases and mechanism of fluid expulsion as well as the compositional modifications of hydrocarbon phases during migration, and especially in the mathematical modeling of migration phenomena in the framework of what is usually called basin modeling. Basin modeling, including modeling of structural history, thermal evolution of sediments, oil and gas formation and fluid migration, is a newly developed, useful tool for petroleum exploration that makes geochemical prospect become dynamic and quantitative.
出处
《地质科技情报》
CAS
CSCD
北大核心
1991年第4期51-58,共8页
Geological Science and Technology Information
