Sawayama Kazuki

Affiliation and department：
Job title： Assistant Professor
Homepage URL (2)： http://www.vgs.kyoto-u.ac.jp/idi/sawayama/ , http://www.vgs.kyoto-u.ac.jp/idi/sawayama/en/

Research field (2)： Solid earth science , Earth resource engineering, energy science

Research keywords (5)： Geothermics , Rock mechanics , Rock fracture , Digitalized rock , Rock physics

Research theme for competitive and other funds (12)：

2024 - 2028 岩石破砕実験中の稠密物性観測から導くマルチスケール亀裂内流体流動
2022 - 2025 Multiscale Fluid Flow Behavior in Rock Fractures Based on Micro- to Macroscopic Rock physics
2022 - 2025 地球熱システムの包括的理解が拓く地球と共存する社会
2022 - 2024 断層内流体流動を決定づける岩石物理モデルの開発
2022 - 2024 機能性流体を用いた地下開発高効率化に向けた基礎物性測定

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Papers (35)：

Takeshi SUZUKI, Kazuki SAWAYAMA. 多孔質岩石の空隙構造と比抵抗の関係解明に向けたデジタル岩石物理の活用. Journal of the Society of Materials Science, Japan. 2024. 73. 3. 232-239
Kazumasa Sueyoshi, Ikuo Katayama, Kazuki Sawayama. Permeability evolution in fine-grained Aji granite during triaxial compression experiments. Geophysical Prospecting. 2024
Matumoto, M, Sawayama, K. Heterogeneity of Subsurface Pore Distribution: Characterization based on Pressure and Tracer Responses to Identify Undiscovered Permeable Structures in Reservoirs. Geofluid. 2024
Takeshi Suzuki, Ryokei Yoshimura, Ken'ichi Yamazaki, Takuto Minami, Kazuki Sawayama, Naoto Oshiman. Dependence of resistivity of natural rock samples on humidity. Journal of Applied Geophysics. 2024. 220
Kazuki Sawayama, Takeshi Tsuji, Koki Shige. Extracting crucial microstructures to characterize the elastic wave velocity and resistivity of Berea sandstone using convolutional neural networks. GEOPHYSICS. 2024. 89. 1

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MISC (9)：

K. Sawayama, M. Matsumoto. Laboratory experiments of pressure-interference and tracer tests of simulated geothermal reservoirs involving transport and dead-end pores. Annual Report FY2022. 2022. 5-7
輪倉光矢, 澤山和貴, 辻健, 池田達紀. 含水率の異なる月のレゴリスシミュラントの電気伝導度の測定及び推定-The measurement and estimation of electrical conductivity of Lunar regolith simulant with different water contents. 公益社団法人物理探査学会学術講演会講演論文集 = Proceedings of the SEGJ Conference. 2022. 147. 211-214
國増貴明, 澤山和貴, 池田達紀, 辻健. Relationship between ice saturation and S wave velocity of lunar regolith simulant based on digital rock physics and experiment. 物理探査学会学術講演会講演論文集. 2021. 145. 13-16
國増貴明, 澤山和貴, 池田達紀, 辻健. Relationship between ice saturation and elastic velocity of lunar regolith simulant based on digital rock physics : Insight into lunar ice exploration. 物理探査学会学術講演会講演論文集. 2021. 144. 17-20
繁恒樹, 辻健, 實松豊, 池田達紀, JIANG Fei, 澤山和貴. Develop a method to estimate elastic velocity directly from digital rock model, based on convolutional neural network. 物理探査学会学術講演会講演論文集. 2020. 143. 107-110

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Lectures and oral presentations (42)：

デジタル岩石物理による亀裂岩石の比抵抗と空隙率・浸透率との関係
(CA研究会論文集 2023)
Rock physics and fluid flow of fractures: Possible roles in understanding slow-to-fast earthquakes
(Slow-to-fast earthquake Beppu meeting 2023)
Simultaneous changes in electrical resistivity and elastic wave velocity with fracture permeability evolution of synthetic faults
(AGU2022 fall meeting 2022)
平野部深層熱水型温泉の適正利用に関する理論的検討
(地熱学会学術講演会 2022)
Hydro-Mechanical-Electrical simulations of rock fractures toward indirect estimation and monitoring of EGS
(Proc. CouFrac2022 2022)

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Education (2)：

2016 - 2021 Kyushu University Graduate School of Engineering Department of Earch Reosurces Engineering
2012 - 2016 Hiroshima University Faculty of Science Department of Earth and Planetary Systems Science

Professional career (1)：

Ph. D (Kyushu University)

Work history (3)：

2021 - 現在 Kyoto University Graduate School of Science Institute for Geothermal Sciences Assistant Professor
2019 - 2021 日本学術振興会特別研究員
2019 - 2019 Stanford University Earth Resources Engineering Visiting Student Researcher

Committee career (4)：

2023/04 - 現在大分県温泉監視調査委員会
2022 - 現在大分県温泉調査研究会
2017 - 現在日本地熱学会日本地熱若手ネットワーク専門部会広報幹事
2020 - 2021 Society of Exploration Geophysics Secretary, Student Chapter (Kyushu University)

Awards (14)：

2024 - ISRM Rocha medal
2023/10 - ICEG Innovation award finalist
2023/03 - 岩の力学連合会博士論文賞
2021/11 - 14th SEGJ International Symposium Outstanding Presentation Award
2020/01 - 九州大学エネルギーウィーク優秀賞

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Association Membership(s) (5)：

岩の力学連合会 , THE SOCIETY OF EXPLORATION GEOPHYSICISTS OF JAPAN , JAPAN GEOSCIENCE UNION , THE GEOLOGICAL SOCIETY OF JAPAN , THE GEOTHERMAL RESEARCH SOCIETY OF JAPAN

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