台西盆地地层沉积特征与成烃-成藏地质条件

doi:10.11743/ogg20190115

石油与天然气地质 ›› 2019, Vol. 40 ›› Issue (1): 152-161.doi: 10.11743/ogg20190115

台西盆地地层沉积特征与成烃-成藏地质条件

张莉¹, 雷振宇¹, 许红², 帅庆伟¹, 骆帅兵¹, 钱星¹

1. 国土资源部海底矿产资源重点实验室, 中国地质调查局广州海洋地质调查局, 广东广州 510760;
2. 国土资源部海洋油气资源与环境地质重点实验室, 青岛海洋地质研究所, 山东青岛 266071

收稿日期:2018-09-15 修回日期:2018-10-10 出版日期:2019-02-28 发布日期:2018-12-08
作者简介:张莉(1965-),女,博士、教授级高级工程师,海洋地质、海洋石油地质。E-mail:zhangligmgs@qq.com。
基金资助:
中国地质调查局研究项目（GZH2012005511）；中国地质调查局地质调查二级项目（DD20160155）。

Sedimentary features and geological conditions for hydrocarbon generation and accumulation in Taixi Basin

Zhang Li¹, Lei Zhenyu¹, Xu Hong², Shuai Qingwei¹, Luo Shuaibing¹, Qian Xing¹

1. Key Laboratory of Marine Mineral Resources, Ministry of Land and Resources, Guangzhou Marine Geological Survey of the China Geological Survey, Guangzhou, Guangdong 510760;
2. Key Laboratory of Marine Hydrocarbon Resources and Environmental Geology, Ministry of Land and Resources, Qingdao Research Institute of Marine Geology, Qingdao, Shandong 266071, China

Received:2018-09-15 Revised:2018-10-10 Online:2019-02-28 Published:2018-12-08

摘要/Abstract

摘要：

台西盆地是主体跨台湾岛与福建陆域之间的台湾海峡地区的中、新生代叠合盆地，在盆地东部及台湾岛已有相当的油气发现。在前人研究基础上，通过地震资料精细解释及海陆对比分析，开展了盆地地层分布、沉积特征及油气成烃成藏潜力研究。结果表明：盆地中-新生代地层发育，经历了白垩纪—始新世裂陷湖相、渐新世抬升剥蚀及中新世至今沉积、沉降3个阶段；发育下白垩统、古新统及始新统烃源岩，主要发育湖相、三角洲、水下扇和河道砂体等多种类型储集体；具有形成中型油气田的物质基础与较好的油气资源勘探发现潜力。

关键词: 沉积特征, 成烃成藏, 油气勘探潜力, 台西盆地

Abstract:

The Taixi Basin is a superimposed Mesozoic-Cenozoic basin located in the Taiwan Strait,with its main body lying between Taiwan Island and onshore Fujian.Large volume of hydrocarbon has been discovered in the eastern basin and Taiwan Island.Based on the previous studies,the study focused on stratigraphic distribution,sedimentary features and hydrocarbon generation potentials of the basin through fine interpretation of seismic data and marine-continental comparative analysis.The results show that evolution of the Mesozoic-Cenozoic basin could be subdivided into three stages,namely the Cretaceous-Eocene rift depression lacustrine stage,the Oligocene uplift denudation stageand the Miocene-present sedimentation and subsidence stage.Correspondingly,three sets of source rocks are developed in this basin including the Lower Cretaceous,Paleocene and Eocene source rocks.The reservoir types are mainly clastic rocks,such as lacustrine facies,delta,subaqueous fan and channel sands.Medium-sized oil-gas fields may develop in the study area due to its favorable geological conditions for hydrocarbon generation and accumulation,thus its hydrocarbon exploration potential is believed to be relatively high.

Key words: sedimentary characteristics, hydrocarbon generation and accumulation, potential for hydrocarbon exploration, Taixi Basin

中图分类号:

TE121

张莉,雷振宇,许红,等. 台西盆地地层沉积特征与成烃-成藏地质条件[J]. 石油与天然气地质, 2019, 40(1): 152-161. doi: 10.11743/ogg20190115 Zhang Li,Lei Zhenyu,Xu Hong,et al. Sedimentary features and geological conditions for hydrocarbon generation and accumulation in Taixi Basin[J]. Oil & Gas Geology, 2019, 40(1): 152-161. doi: 10.11743/ogg20190115

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台西盆地地层沉积特征与成烃-成藏地质条件

Sedimentary features and geological conditions for hydrocarbon generation and accumulation in Taixi Basin

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