A History Matching Study of Nagaoka Site for Geochemical Model Calibration in Reactive Transport Model: Using Concentration Changes of Chemical Species from Post-Injection Water Sampling Data

Although it is necessary to conduct reactive transport simulation for CO2 mineralization prediction, some data in geochemical calculation have high uncertainty. We attempted to revise reactive surface area (RSA) data by matching the simulation results from TOUGHREACT ver.1 with the sampled formation...

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Bibliographic Details
Published in:Energy procedia 2014, Vol.63, p.3568-3575
Main Authors: Kawata, Yuko, Xue, Ziqiu, Mito, Saeko, Nakajima, Takahiro
Format: Article
Language:English
Subjects:
Formation water sampling
History matching
Mineral trapping
Reactive surface area
Reactive transport model
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Summary:Although it is necessary to conduct reactive transport simulation for CO2 mineralization prediction, some data in geochemical calculation have high uncertainty. We attempted to revise reactive surface area (RSA) data by matching the simulation results from TOUGHREACT ver.1 with the sampled formation water composition data of Nagaoka site. First, we used 1-D radial model to revise RSA and then applied it to 2-D radial model to verify the reliability under the more realistic condition. The procedure introduced in this paper could reduce the time to work on history matching study which contains time-consuming geochemical calculation.
ISSN:1876-6102
1876-6102
DOI:10.1016/j.egypro.2014.11.386