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引用本文:杜文波,黄文凯,朱红涛,张璐,Jakub Miluch. 台湾海峡西部海域沉积体系、地层架构与油气勘探前景[J]. 中国地质, 2020, 47(5): 1542-1553.
DU Wenbo,HUANG Wenkai,ZHU Hongtao,ZHANG Lu,JAKUB Miluch. Sedimentary system, stratigraphic architecture and petroleum exploration prospect in the western Taiwan Strait[J]. Geology in China, 2020, 47(5): 1542-1553(in Chinese with English abstract).
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台湾海峡西部海域沉积体系、地层架构与油气勘探前景
杜文波1,2, 黄文凯1, 朱红涛3, 张璐4, Jakub Miluch3
1.中国地质调查局广州海洋地质调查局, 自然资源部海底矿产资源重点实验室, 广东 广州 510075;2.南方海洋科学与工程广东省实验室 (广州), 广东 广州 511458;3.中国地质大学 (武汉) 资源学院, 中国地质大学构造与油气资源教育部重点实验室, 湖北 武汉 430074;4.中海油研究总院, 北京 100028
摘要:
基于台湾海峡西部新采集的高分辨率二维地震资料及钻井数据,结合区域地质资料和前人研究成果,建立台湾海峡西部高精度等时地层格架,在此基础上厘定了地质年代属性和沉积相特征分析。研究表明第四纪地层识别出6个三级层序界面,对应地划分为5个三级层序。研究区地震相主要有席状平行—亚平行地震相、前积地震相、下切谷充填地震相、充填状低连续地震相和充填状杂乱地震相等,不同的地震相及其组合代表特定的沉积体系。通过以上分析可知研究区新生代主要发育于海陆过渡地带,主要发育冲积/洪积平原相和滨岸平原相,在此基础上分析沉积演化特征,为台湾海峡西部海域进行精细勘探提供地质依据,这对将来的油气勘探具有重要的指导意义。
关键词:  沉积体系|地层格架|地质年代|地震相|油气地质|海洋地质调查工程|台湾海峡
DOI:10.12029/gc20200518
分类号:TE122
基金项目:南方海洋科学与工程广东省实验室(广州)人才团队引进重大专项(GML2019ZD0207)及中国地质调查局项目(DD20160138、DD20190627、DD20191002、DD20160140、GZH201400210、DD20190209、DD20190216、GZH201300502)联合资助。
Sedimentary system, stratigraphic architecture and petroleum exploration prospect in the western Taiwan Strait
DU Wenbo1,2, HUANG Wenkai1, ZHU Hongtao3, ZHANG Lu4, JAKUB Miluch3
1.Guangzhou Marine Geological Survey of China Geological Survey, Ministry of Natural Resources, Key Laboratory of Marine Mineral Resources, Guangzhou 510075, Guangdong, China;2.Project for Introduced Talents Team of Southern Marine Science and Engineering Guangdong Laboratory, Guangzhou 511458, Guangdong, China;3.Faculty of Earth Resources, China University of Geosciences, Key Laboratory of Tectonics and Petroleum Resources of Ministry of Education, China University of Geosciences, Wuhan, 430074, Hubei, China;4.CNOOC Research Institute, Beijing 100028, China
Abstract:
Based on the new high resolution 2D seismic data and drilling data obtained from the western Taiwan Strait and combined with the regional geological data and previous research result, the authors established the high resolution equitime stratigraphic framework of the western Taiwan strait and, on such a basis, determined the geological age attributes and sedimentary facies system characteristics. The results show that there are 6 third-order sequence boundaries in the Quaternary strata,which are correspondingly divided into 5 third-order sequences. The seismic facies in the study area are mainly sheet-like parallel-subparallel seismic facies, progradationa seismic facies, incised valley filling seismic facies, low-continuous filling seismic facies and filling chaotic seismic facies, with different seismic facies and their combinations representing specific sedimentary systems. According to the above analysis, it can be seen that the Cenozoic sediments are mainly developed in the sea-land transition zone, and alluvial/pluvial plain facies and coastal plain facies are mainly developed in the study area. The sedimentary evolution characteristics were hence analyzed to provide geological basis for fine exploration in the western Taiwan Strait, which has great guiding significance for future hydrocarbon exploration.
Key words:  sedimentary system|stratigraphic framework|geological age|seismic facies|petroleum geology|marine geological survey engineering|Taiwan Strait