摘要：

在系统观察岩心的基础上，从单井相分析入手，结合地震相和测井相模式，以及大量岩矿、粒度等分析化验资料，对巴音都兰凹陷下白垩统巴彦花群的物源方向、沉积体系、构造岩相带及含油性进行了研究。认为区内具有东、西两大物源区、五大水系控制着十一个砂体的平面展布，最终，划分了扇三角洲等五种沉积体系，总结出具平台型陡坡扇三角洲等六种构造岩相带，并着重对有别于典型单断箕状凹陷的三种构造岩相带的含油性进行了初步探讨。

Abstract:

On the base of core observation, starting with individual-well facies, combining with the models of seismic and logging facies, along with numerous analysis data of lithology and grain size, etc. the direction of clastics source, depositional system, structure-petrographical zone and its oil-bearing factor are researched. The conclude shows it has two large source areas, which are eastern and western source areas respectively. Five large drainage systems controlled the distribution of eleven sand bodies. Finally, five types of depositional system, such as fan-delta, are classified. Six kinds of structure-petrographical zone, such as the type of abrupt slope fan-delta structure-petrographical zone with platform, are summed up. Meanwhile, the oil-bearing factor of three types of structure-petrographical zone, different from the typical single rifted sag, is discussed preliminary.