海洋地质前沿2025，Vol.41Issue(9)：28-38,11.DOI:10.16028/j.1009-2722.2024.142
近源浅水三角洲沉积特征及沉积模式研究
Sedimentary characteristics and model of proximal shallow water delta in the Eocene upper Es3s5 unit of Bamianhe Oilfield
摘要
Abstract
Shallow water delta has become a key object in the field of oil and gas geology.Further Understand-ing of its sedimentary model and sand body distribution is of great significance to accelerate the oil and gas ex-ploration and development of this kind of reservoir.The sedimentary characteristics of shallow water delta in such a proximal shallow delta system were studied and the regional characteristic sedimentary model was established for the upper Es3s5 sand unit of the Eocene Shahejie Formation in Bamianhe Oilfield by integrating the geologic-al data from borehole,logging and chemical analysis.Results show that,under the tectono-structural background,the ancient material source,paleoclimate and other factors,the upper Es3s5 sand unit was formed and composed of mainly fine sandstone,and the sand body size increased gradually from bottom to top,showing progradation characteristics as a whole.The sedimentary microfacies such as underwater distributary channel,underwater nat-ural levee sheet sand and so on were mainly developed.The estuary bar was merely developed,and the underwa-ter distributary channel was distributed in an intertwined and contiguous manner,and a large area of sand sheet was formed in the shallow water area.关键词
八面河油田/沉积相/沉积相展布/沉积模式/浅水三角洲Key words
Bamianhe Oilfield/sedimentary facies/sedimentary facies distribution/sedimentary pattern/shallow water delta分类
海洋科学引用本文复制引用
胡心玲,吴华,高中臣,殷海霞,潘翠兰..近源浅水三角洲沉积特征及沉积模式研究[J].海洋地质前沿,2025,41(9):28-38,11.基金项目
国家自然科学基金(41702158) （41702158）
山东省自然科学基金(ZR2022MD014) （ZR2022MD014）
