In Qaidam Basin, the fault controlling hydrocarbon feature is obvious,and the phenomenon of oil - gas difference accumulation between hanging wall and footwall blocks of a fault is common.

• 柴达木盆地的断裂控烃特征明显,断裂上下盘油气差异聚集现象十分普遍,不同构造系统区具有不同的油气差异聚集机理和模式。