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本文试图运用含油气系统这门新兴学科的理论和方法来研究资料掌握较少的南海万安盆地的含油气系统。在区域地质、沉积相特征和生烃、运移、聚集以及保存条件的时空匹配关系等研究的基础上,将万安盆地划分为三个含油气系统,指出北、中两个含油气系统的油气远景较好,从中已相继发现和找到不同产能的油气田;南部含油气系统远景较差。
This paper tries to use the theory and method of this emerging subject including petroleum system to study the petroleum system with less data in the Wan’an basin of Nanhai. On the basis of the research on regional geology, sedimentary facies characteristics and time-space matching of hydrocarbon generation, migration, accumulation and preservation conditions, the Wan’an basin is divided into three petroleum-bearing systems. It is pointed out that the two petroleum systems The prospect of oil and gas is good, from which oil and gas fields with different capacities have been discovered and found one after another. The prospects of the southern petroleum system are poor.