新构造运动活跃的库车盆地含油气系统特征

Characteristic of the Hydrocarbon System in Kuqa Basin with an Active New Structural Movement

新构造运动一方面对先存盆地和古生油气藏进行着破坏与改造,一方面促进烃源岩热演化、提供优质储层、改造盆地疏导运移系统,为晚期成藏提供条件。本文结合库车盆地的构造演化、构造样式,着重分析了新构造与油气系统的关系,进而论述了新构造运动控制下的库车盆地含油气系统特征。最后分析得出该区域三个油气勘探目标区:拜城、阳霞凹陷南坡秋里塔格背斜带;库姆格列木—依奇克里克断层相关褶皱带;南部构造带。

While new structural movement destroyed and reconstructed the pre_exist basins and old oil reservoir,it accelerated the thermal evolution of source rocks, provided high quality reservoir, rebuilded the migration system, and offered conditions for late stage.Kuqa Basin's structural evolution and mode,and the relationship between the new structural movement and oil system were studied;the characteristics of the oil system acted with an active new structural movement in Kuqa basin were analyzed.