中文摘要：

综合利用地震、测井、录井、岩心及分析化验资料，通过综合分析和系统沉积学编图，确定了黄河口凹陷古近系东营组三段（东三段）主要发育扇三角洲、辫状河三角洲、湖泊和湖底扇。东三段下部辫状河三角洲发育于黄河口凹陷的西南部和南部，在渤南凸起的南北两侧均发育扇三角洲朵体，半深湖一深湖主要分布于西部深凹部位，在B-2断隆带南部的半深湖区发育湖底扇，绝大部分地带为滨浅湖沉积，以滨浅湖泥滩和混合滩沉积为主。东三段上部辫状河三角洲发育于黄河口凹陷的西南部、南部及D-4断隆带的南侧，仅在渤南凸起的北侧发育扇三角洲朵体，半深湖-深湖主要分布于西北次凹部位，绝大部分地带为滨浅湖沉积，以滨浅湖泥滩和混合滩沉积为主。E-1-1-F-4—1井一带继承性发育滨浅湖砂质滩坝沉积。滨浅湖砂质滩坝由含砾粗砂岩、含砾中砂岩、含砾细砂岩及中、细砂岩组成，骨架颗粒成分以石英为主，发育低角度交错层理，纹层由定向排列的砾石或暗色组分显示，纹层平直，以低角度相交。滨浅湖砂质滩坝微相区为东三段优质储集层发育区。

英文摘要：

Based on the comprehensive analyses of seismic, wireline log and drilling data, core and analytical and testing results, integrated analyses have been carried out on the sedimentary facies of the Member 3 of Paleogene Dongying Formation and the sedimentary facies maps have been compiled. The lower part of Member 3 of Dongying Formation is dominated by fan delta, braided fluvial delta, lacustrine and sublacustrine fan facies. The braided fluvial delta of the lower part of Member 3 of Dongying Formation was developed in southwestern and northern areas of the Huanghekou Sag. The fan delta was developed in the south and north sides of the Bonan uplift. The semi-deep to deep lake was developed in the western deep sagging area and the sublacustrine fan in the semi-deep lake south of the B-2 faulted uplift belt and most areas were dominated by shore-shallow lacustrine facies including shore-shallow lacustrine muddy bank and mixed bank. During the deposition of the upper part of Member 3 of Dongying Formation, braided fluvial delta facies was developed and mainly distributed in the southwestern and southern parts of the sag and the southern side of the D-4 faulted uplift belt, fan delta was limited to the northern side of the Bonan uplift, and semi-deep to deep lacustrine facies was developed in the western deep sagging area which was dominated by shore-shallow lacustrine facies. The sandy beach bar was developed in the E - 1 - 1-F - 4 - 1 well area. The sandy beach bar is composed of gravelly coarse sandstones, gravelly medium grained sandstones and medium-fine grained sandstones with the detrital grains being dominated by quartz. Low angle cross bedding was developed. The shore-shallow lacustrine sandy beach bar microfacies is the favorable facies belt for high quality reservoir development.