沉积学报2025，Vol.43Issue(4)：1275-1292,18.DOI:10.14027/j.issn.1000-0550.2023.108
海相砂质滩坝沉积构型及表征研究进展
Advances in Sedimentary Architecture and Characterization of Marine Sandy Beach-bars:A review
摘要
Abstract
[Significance]Beach-bar sand bodies in coastal or lake-shore areas may develop into an important type of hydrocarbon reservoir.There are certain differences in coastal and lake-shore depositional environments and pat-terns.Numerous studies have been conducted on the architecture of lake-shore beach-bar sand bodies,research on the architecture of beach-bar sand bodies needs to be strengthened.This present study is a broad review of reported re-search on marine beach-bar deposits in terms of their sedimentary characteristics and the hydrodynamic mechanism of marine beach-bar sand,and it considers the factors influencing the sedimentary architecture pattern.[Progress]The results show that beach-bar deposits are dominated by sand bar development,which in turn is influenced by several hydrodynamic situations(e.g.,nearshore spiral current,longshore current,rip current,swash current,and reverse current at the seafloor)that form the various types of sand bar(e.g.,linear,coastal,sand bar spits,plume,tongue-like and oblique sand bars,etc.).Their architectural characteristics and genesis also differ.Among the multiplicity of factors influencing sand bar sedimentary architecture are shoreline morphology,sea-level change,supply of sediment and wave interactions that determine the mode of wave action,all affecting sand bar development and stacking pat-tern.Tectonics and sedimentary paleomorphology control the geographic placement of the sand bar.Three levels of beach-bar architecture were established:composite,single bars and intra-bar accretionary bodies,and a preliminary beach-bar architecture model is proposed.[Conclusions and prospects]Architectural prototypes were modeled us-ing data from field outcrops,modern sedimentation,subsurface well information and sediment simulation.These en-rich sedimentological theories and serve to guide the development of marine beach-bar oil and gas reservoirs.关键词
滩坝砂体/沉积构型/滨浅海/储层表征/成因机制Key words
beach-bar sand body/sedimentary architecture/shallow coastal water/reservoir characterization/genesis mechanism分类
天文与地球科学引用本文复制引用
赵俊威,王恒,张东伟,孙海航,陈恭洋,印森林..海相砂质滩坝沉积构型及表征研究进展[J].沉积学报,2025,43(4):1275-1292,18.基金项目
国家自然科学基金项目(41902155,41502126)National Natural Science Foundation of China,No.41902155,41502126 （41902155,41502126）
