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依据地震反射终止关系和地震反射波特征，将东濮凹陷东南部下第三系划分成两个地震层序和九个亚层序。在近万公里的地震剖面上，依据可信度较高的地震反射内部结构和外部形态，识别出前积反射等地震相类型，在综合考虑盆地结构和古地理背景的基础上，利用地质、测井等资料确定了地震相和沉积相之间的对应关系，得出了沉积体系的平面分布和垂向演化规律。结合现今勘探现状，指明了今后有利的油气勘探方向。
Based on the relationship between the termination of seismic reflection and the characteristics of seismic reflection wave, the lower Tertiary in southeastern Dongpu sag is divided into two seismic sequences and nine sub-sequences. Based on the credible internal structure and external shape of seismic reflection, seismic facies types such as pre-integral reflection are recognized on the nearly 10,000-km seismic section. Based on the comprehensive consideration of the basin structure and palaeogeographical background, Well and other data to determine the correspondence between the seismic facies and sedimentary facies, obtained the sedimentary system of the plane distribution and vertical evolution. Combined with the current exploration status, pointed out the future favorable oil and gas exploration direction.