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油气系统是最适于进行盆地模拟评价的油气地质单元 ,盆地模拟的特点体现了油气系统的认识论。油气系统分析模拟的内容应包括 :①静态地质要素研究 ;②油气系统动态地质作用(可以通过地史、热史、生烃史、排烃史、运移聚集史模拟再现 )研究 ;③油气系统的关键时刻与事件组合关系研究。盆地模拟已形成了系统化、模型化、定量化的动态模拟软件 ,用盆地模拟技术实现油气系统动态数值模拟是现实可行的捷径。在盆地综合模拟系统基础上 ,按照油气系统的研究内容和成图表达方式 ,建立了油气系统动态分析模拟软件系统 ,具有进行四方面分析模拟的功能 :①背景研究 ,利用平衡剖面、层序地层模拟以及构造热模拟等方法 ,综合研究油气系统的背景、单个油气系统静态地质要素等 ;②动态地质作用模拟研究 ,研究油气系统的地史、热史、生烃史、排烃史、运聚史过程 ;③关键时刻与事件组合关系研究 ;④油气资源量估算与有利目标评价。图 2参 6
Hydrocarbon system is the most suitable oil and gas geologic unit for basin simulation evaluation. The characteristics of basin simulation reflect the epistemology of hydrocarbon system. Hydrocarbon system analysis and simulation should include: (1) the study of static geological elements; (2) the dynamic geologic function of oil and gas systems (which can be simulated by geo-history, thermal history, hydrocarbon generation history, hydrocarbon expulsion history and migration aggregation history) Research on the Relationship between Critical Moment and Event. Basin modeling has formed systematic, modeling and quantitative dynamic simulation software. It is a feasible and feasible shortcut to use basin simulation technology to realize dynamic numerical simulation of oil and gas system. On the basis of integrated basin simulation system, the system of dynamic analysis and simulation software for oil and gas system has been established according to the research content and mapping representation of oil and gas system. The system has the functions of four aspects of analysis and simulation: ① Background research, using balanced section, sequence stratigraphy Simulation and tectonic thermal modeling, comprehensively studying the background of oil and gas systems and the static geologic elements of individual oil and gas systems, etc .; (2) Dynamic geological simulation study on geo-history, thermal history, hydrocarbon generation history, hydrocarbon expulsion history, transportation and accumulation Historical process; (3) research on the key moment and event combination; (4) estimation of oil and gas resources and favorable target evaluation. Figure 2 Reference 6