中国中西部前陆盆地成藏特征的初步分析

探讨了油气成藏系统的定义,认为油气成藏系统是含油气盆地内相对独立的油气运聚单元和成藏各要素的总和,是不同于含油气系统的独立概念,其研究重点在于油气藏。通过对准噶尔盆地南缘前陆盆地构造特征、成藏要素和运聚特征的分析,认为准噶尔盆地南缘前陆盆地可以划分为三大油气成藏系统和八个次级油气成藏系统,这些成藏系统平面上和纵向上的差异最终导致了油气空间展布的差异。

DIVISION OF HYDROCARBON ACCUMULATION SYSTEM IN THE SOUTHERN JUNGGAR FORELAND BASIN

This article discussed the definition of hydrocarbon accumulation system and maintained that the hydrocarbon accumulation system, different from petroleum system, was an individual concept, which can be regarded as the assembly of factors of hydrocarbon migration and accumulation. The research focus of hydrocarbon accumulation system was in oil and gas reservoir. Based on the analysis for the tectonic features, hydrocarbon accumulation factors and features, the southern Junggar foreland basin can be divided into three hydrocarbon accumulation systems and eight hydrocarbon accumulation sub-systems. The space distribution of hydrocarbon was obviously effected by the differences of hydrocarbon accumulation system.