Carbon Storage Dynamics in Lower Shimentan Formation of the Qiantang Sag,East China Sea Shelf Basin:Stratigraphy,Reservoir-Cap Analysis,and Source-Sink Compatibility

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外文摘要：Excessive carbon emissions have resulted in the greenhouse effect,causing considerable global climate change.Marine carbon storage has emerged as a crucial approach to addressing climate change.The Qiantang Sag(QTS)in the East China Sea Shelf Basin,characterized by its extensive area,thick sedimentary strata,and optimal depth,presents distinct geological advantages for carbon dioxide(CO2)storage.Focusing on the lower section of the Shimentan Formation in the Upper Cretaceous of the QTS,this study integrates seismic interpretation and drilling data with core and thin-section analysis.We reveal the vertical variation characteristics of the strata by providing a detailed stratigraphic description.We use petrophysical data to reveal the development characteristics of high-quality carbon-storage layers and favorable reservoir-caprock combinations,thereby evaluating the geological conditions for CO2 storage in various stratigraphic sections.We identify Layer B of the lower Shimentan Formation as the most advantageous stratum for marine CO2 storage.Furthermore,we analyze the carbon emission trends in the adjacent Yangtze River Delta region.Considering the characteristics of the source and sink areas,we suggest a strong correlation between the carbon emission sources of the Yangtze River Delta and the CO2 storage area of the QTS,making the latter a priority area for conducting experiments on marine CO2 storage.

外文关键词：

Carbon storageQiantang SagReservoir-capSource-sink dynamicsEast China Sea Shelf Basin

作者：

Kailong Feng、Weilin Zhu、Kai Zhong、Qiang Fu、Weizhen Chen、Zengyuan Zhou、Guanyu Zhang、Ji Teng、Zhe Yang

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作者单位：

State Key Laboratory of Marine Geology,Tongji University,Shanghai 200092,China

Key Laboratory of Deep-time Geography and Environment Reconstruction and Applications of Ministry of Natural Resources,Chengdu University of Technology,Chengdu 610059,China

Naval Architecture and Shipping College,Guangdong Ocean University,Zhanjiang 524088,China

Center for Marine Resources,Tongji University,Shanghai 200092,China

School of Management,Guangdong Ocean University,Zhanjiang 524088,China

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基金：

Key Laboratory of Deeptime Geography and Environment Reconstruction and Applications of Ministry of Natural Resources,Chengdu Un

项目编号：

DGERA20231110

出版年：

2024

DOI：

10.1007/s11804-024-00562-8