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Formation-water database on saline aquifer in Japan: Assessment of solubility trapping in open aquifer storage of CO2

descriptionPublicationkeyboard_double_arrow_right Article , Journal 01 Feb 2009Publisher:Elsevier BVJournal:Energy Procedia, volume 1, pages 2,725-2,732 (issn: 1876-6102,

Authors: Masao Sorai; Hirofumi Muraoka; Yasuko Okuyama; Norio Yanagisawa; Munetake Sasaki;

doi: 10.1016/j.egypro.2009.02.042

Formation-water database on saline aquifer in Japan: Assessment of solubility trapping in open aquifer storage of CO2

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Abstract

AbstractWe have been constructing a database named “Formation-water database” by accumulating chemical compositions of groundwater in deep aquifers in Japan. The study aims to evaluate potential for solubility trapping of deep groundwater for geological CO2 storage in Japan. The formation water of reservoir depth is found to be generally dilute in composition; regional average values of TDS are at about 1/5 to 3/5 of the seawater. The dilute composition of deep groundwater indicates its high potential in CO2 solubility trapping (in average, more than 90% solubility as compared to pure water).

Related Organizations

National Institute of Advanced Industrial Science and Technology
Japan

Keywords

Formation water, Geochemical trapping, Solubility trapping, Freshwater sediments, Marine sediments, Geochemical modeling, Saline aquifer storage

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