Kazuki SAWAYAMA Personal Website

Fracture flow by LBM
  • Home > Achievement

Awards

  • ISRM Rocha Medal（2024）
  • 岩の力学連合会 博士論文賞（2022）
  • SEG international Symposium Outstanding Presentation Award
  • 九州大学エネルギーウィーク 優秀賞（2020）
  • 地熱学会 ベストプレゼンテーション賞（2019）
  • JpGU 学生優秀発表賞（2019）
  • 九州大学エネルギーウィーク 優秀賞（2019）
  • GRE Best Presentation Award (2018)
  • CINEST Best Presentation Award (2017)
  • CINEST Best Poster Award (2016)

    • Grants

  • 流体研　リーダシップ研究助成 (2022−2023)
  • 京都大学 くすのき・125 (2022−2024)
  • 科研費　学術変革研究(A)公募研究 (2022−2023)
  • 京大財団 (2022)
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  • 京都大学 SPIRITS (2022)
  • 深田地質研究助成 (2022)
  • 科研費　若手研究 (2022−2024)
  • KOIC 若手研究者海外研究交流支援事業 (2021)
  • YSRM Scholarship Award (2019)
  • エネルギー研究教育機構 銅賞（2019）
  • JSPS特別研究員奨励費（2019-2021）
  • エネルギー研究教育機構 奨励賞（2018）
  • 九州大学大学院研究支援奨学金 （2018）
  • 九州大学基金国際会議等参加支援 （2017）

    • Publications

    ○Submitted or in prep
    • Sawayama, K. Rock Physical Properties and Fracture Flow Behaviors: Towards Indirect Monitoring of Fractured Reservoirs, under 2nd review.
    • Sawayama, K., Ishibashi, T., Jiang, F., Tsuji, T. Hydro-mechanical-electrical simulations of synthetic faults in two orthogonal directions with shear-induced anisotropy, Journal of Rock Mechanics and Geotechnical Engineering, under review.
    • Sawayama, K., Ishibashi, T., Jiang, F., Tsuji, T. Rock physical modeling of sheared fractures: permeability-resistivity-seismic velocity relationship explored via digital rock physics approach, Rock mechanics and rock engineering, under review.
    • Sawayama, K, and Suzuki, T. Development of the simple rapid permeability measurement system.
    • Sawayama, K, Sou, J., Akamatsu, Y., Katayama, I., and Suzuki, T. Simultaneous measurements of electrical resistivity and seismic velocities of two orthogonal directions during triaxial deformation until failure, GRL, in prep.
    • Sawayama, K. Review on hydlauric, electrical, and elastic properties of single rock fractures, in prep.
    • Takita and Sawayama, in prep.
    • Suzuki et al., RMRE, in prep.
    • Sueyoshi et al., JGR, in prep.

      ○Peer Reviewed Journal Paper
    1. Matsumoto, M. and Sawayama, K. Heterogeneity of Subsurface Pore Distribution: Characterization based on Pressure and Tracer Responses to Identify Undiscovered Permeable Structures in Reservoirs, Geofluid, accepted.
    2. Suzuki, T., Yoshimura, R., Yamazaki, K., Minami, T., Sawayama, K., and Oshiman, N. (2024) Dependence of resistivity of natural rock samples on humidity, Journal of Applied Geophysics, 105271. DOI:10.1016/j.jappgeo.2023.105271
    3. Suzuki, T. and Sawayama, K. Using Digital Rock Physics for Elucidating the Relationship between Pore Microstructure and Resistivity in Porous Rocks, accepted.
    4. Sawayama, K., Ishibashi, T., Jiang, F., Tsuji, T. (2023) Relationship between permeability and resistivity of sheared rock fractures: the role of tortuosity and flow path percolation. Geophysical Research Letters, 50. DOI:10.1029/2023GL104418
    5. Sawayama, K., Tsuji,T., and Shige, K. (2023) Extracting Crucial Microstructures to Characterize the Elastic Wave Velocity and Resistivity of Berea Sandstone Using Convolutional Neural Networks. Geophysics 89. DOI:10.1190/geo2023-0163.1
    6. Sueyoshi, K., Katayama, I., and Sawayama, K. (2023) Permeability evolution in fine‐grained Aji granite during triaxial compression experiments. Geophysical Prospecting. DOI:10.1111/1365-2478.13412
    7. Kunimasu, T., Sawayama, K., and Tsuji, T. (2023) Estimation of the mass fraction and distribution of ice in a lunar regolith simulant from seismic velocity. Icarus 406. DOI:10.1016/j.icarus.2023.115725
    8. Katayama, I., Aoi, Y., Tanimoto, K., Akamatsu, Y., and Sawayama, K. (2023) Simultaneous electrical resistivity and elastic wave velocity measurements during triaxial deformation of granite under brine-saturated conditions. Earth, Planets and Space 75(1). DOI:10.1186/s40623-023-01809-4
    9. Omollo, P., Nishijima, J., Fujimitsu, Y., and Sawayama, K. (2022) Resistivity structural imaging of the Olkaria Domes geothermal field in Kenya using 2D and 3D MT Data inversion. Geothermics, 103, 102414. DOI:10.1016/j.geothermics.2022.102414
    10. Suwa, Y., Gu, Z., Obata, T., Nakagawa, S., Morishita, R., Sawayama, K, and Tsuji, T. (2022) Accurate determination of the first arrival time of elastic wave traveled through rock sample by machine learning. Journal of Applied Geophysics, 104688. DOI:10.1016/j.jappgeo.2022.104688
    11. Sawayama, K., Ikeda, T., Tsuji, T., Jiang, F., Nishizawa O., and Fujimitsu, Y. (2022) Elastic wave velocity changes due to the fracture aperture and density, and direct correlation with permeability: an energetic approach to mated rock fractures, Journal of Geophysical Research: Solid Earth, 127(2), e2021JB022639. DOI:10.1029/2021JB022639
    12. 諏訪雄二, 顧 志明, 小幡拓也, 中川慎二, 森下諒一, 澤山和貴, 辻 健. (2022) 機械学習による弾性波速度測定実験の自動解析技術, 電子情報通信学会論文誌D, J105(1), 52–59. DOI:10.14923/transinfj.2021SKP0001
    13. Sawayama, K., Ishibashi, T., Jiang, F., Tsuji, T., Nishizawa O., and Fujimitsu, Y. (2021) Scale-independent relationship between permeability and resistivity in mated fractures with natural rough surfaces, Geothermics, 94, 102065. DOI:10.1016/j.geothermics.2021.102065
    14. 松本光央，澤山和貴, 古賀翼 (2021) 圧力・熱拡散のアナロジーによる模擬坑井試験：熱伝導率計を用いた一事例, 地熱学会誌, 43(2).DOI:10.11367/grsj.43.79
    15. Sawayama, K., Ishibashi, T., Jiang, F., Tsuji, T., and Fujimitsu, Y. (2021) Relating Hydraulic-Electrical-Elastic Properties of Natural Rock Fractures at Elevated Stress and Associated Transient Changes of Fracture Flow, Rock Mechanics and Rock Engineering, 54(5), 2145–2164. DOI:10.1007/s00603-021-02391-5
    16. Sawayama, K., Kitamura, K. and Fujimitsu, Y. (2019) Effects of water saturation, fracture and salinity on electric and elastic properties of fractured geothermal rocks, Journal of the Geothermal Research Society of Japan, 41(2), 53–59. DOI:10.11367/grsj.41.53
    17. Sawayama, K., Kitamura, K. and Fujimitsu, Y. (2018) Relationship between Complex Resistivity, Elastic Wave and Water Saturation of Cracked Andesite under Laboratory Fluid-Flow Test, BUTSURI-TANSA (Exploration geophysics), 71, 71–85. (in Japanese with English abstract) DOI:10.3124/segj.71.71
    18. Sawayama, K. and Katayama, I. (2016) Effects of Confining Pressure and Pore Water Pressure on the Strain Behavior and Deformation Property of Aji Granite under Triaxial Compression Test, Journal of the Geological Society of Japan, 122(11), 603–615. (in Japanese with English abstract) DOI:10.5575/geosoc.2016.0041

      19. ○Peer Reviewed Conference Paper
    19. Sawayama, K. and Tsuji, T. (2023) Regression activation mapping detects the characteristic microstructures of rock physical properties: insights from the combination of digital rock physics and convolutional neural networks, International Conference on Engineering Geophysics.
    20. Sawayama, K., Ishibashi T., Jiang, F., and Tsuji, T. (2023) Rock physical modeling of sheared fractures: permeability-resistivity-seismic velocity relationship explored via digital rock physics approach, 57th US Rock Mechanics/Geomechanics Symposium, 0740, DOI:10.56952/ARMA-2023-0740
    21. Sawayama, K., Ishibashi T., Jiang, F., and Tsuji, T. (2022) Hydro-Mechanical-Electrical simulations of rock fractures toward indirect estimation and monitoring of EGS, Coupled Processes in Fractured Geological Media, 97.
    22. Sawayama, K., Ishibashi T., Jiang, F., Ikeda, T., Tsuji, T., Nishizawa, O., and Fujimitsu, Y. (2021) Digital rock physics revealing the relationships between permeability, resistivity and elastic wave velocity of rock fractures, Proceedings of the 14th SEGJ International Symposium, 226–229. DOI:10.1190/segj2021-060.1
    23. Sawayama, K., Jiang, F., Ikeda, T., Ishibashi, T., Tsuji, T., Fujimitsu, Y., and Asanuma, H. (2020) Estimation of Permeability and Water Saturation from the Resistivity and Elastic Wave Velocity: Insight from Laboratory Experiment and Digital Fracture Simulation, Proceedings of World Geothermal Congress 2020, 1–10.
    24. Sawayama, K., Ishibashi, T., Jiang, F., Tsuji, T, and Fujimitsu, Y., 2019, Changes in Hydraulic, Electric and Mechanical Properties with Aperture Closure: Insight from Experimental and Numerical Approaches, Proceedings of the YSRM2019 & REIF2019, 516–521.
    25. Sawayama, K., Li, K., and Horne, R., 2019, “Leave the Carbon in the Ground”: in-situ combustion by injecting air into abandoned shale reservoirs, Proceedings of International Symposium on Earth Science and Technology 2019, 103-108.
    26. Sawayama, K., Tsuji, T, and Fujimitsu, 2019, Coupling Approach of Lattice Boltzmann Fluid Simulation and Finite Element Analysis of Geophysical Properties: Application to Natural Rock Fracture in Geothermal Area, Proceedings of international exchange and innovation conference on engineering & sciences, 5, 73–76. DOI:DOI:10.15017/2552941
    27. Sawayama, K., Kitamura, K. and Fujimitsu, Y., 2018, Laboratory measurements on electric and elastic properties of fractured geothermal reservoir rocks under a simulated EGS condition, Geothermal Resources Council Transactions, 42, 2459–2475.
    28. Sawayama, K., Kitamura, K. and Fujimitsu, Y., 2016, Measurements of Electric Impedance and Elastic Wave Velocity of Cracked Andesite under Laboratory Fluid-Flow Test, Proceedings of International Symposium on Earth Science and Technology 2016, 580–585.

    ○No Reviewed (Conference Proceedings, Others)
    • 澤山和貴, 大沢信二, 松本光央 (2023) 大分平野における適正な温泉坑井離隔距離に関する理論的検討, 大分県温泉調査会研究報告, 21–38.
    • 澤山和貴 (2023) 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, 35–42.
    • 輪倉光矢, 澤山和貴, 池田達紀, 辻健 (2022) 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, 物理探査学会第147回学術講演会論文集, 211–214.
    • Kunimasu, T. Sawayama, K., Ikeda, T., and Tsuji, T. (2022) Relationship between ice content rate and elastic wave velocity of lunar regolith simulant based on digital rock physics , Proceedings of International Symposium on Earth Science and Technology 2022, 257–260.
    • 國増貴明, 澤山和貴, 池田達紀, 辻健 (2021) デジタル岩石物理及び室内実験による月レゴリスシミュラントの氷含有率とS波速度の関係, 物理探査学会第145回学術講演会論文集, 13–16.
    • Shige, K., Sawayama, K., Tsuji, T., and Ikeda, T. (2021) Estimation of elastic wave velocity in digital rocks: Insight from feature extraction of pore structure using convolutional neural network, Proceedings of International Symposium on Earth Science and Technology 2021, 257–260.
    • 國増貴明, 澤山和貴, 池田達紀, 辻健 (2021) デジタル岩石物理による月レゴリスシミュラントの氷含有率と弾性波速度の関係：月の水資源探査に向けて, 物理探査学会第144回学術講演会論文集, 17–20.
    • 諏訪雄二, 顧志明, 小幡卓也, 中川慎二, 森下諒一, 澤山和貴, 辻健 (2021) 機械学習による弾性波初動点の自動解析, 第13回データ工学と情報マネジメントに関するフォーラム, 1–5.
    • Sawayama, K., Jiang, F., Tsuji, T., and Fujimitsu, Y. (2020) Development of two-phase fracture flow simulation method using Shan-Chen type lattice Boltzmann model, Proceedings of International Symposium on Earth Science and Technology 2020, 250–253.
    • 繁恒樹, 辻健, 實松豊, 池田達紀, 蒋飛, 澤山和貴 (2020) 機械学習を用いて岩石CT画像から弾性波速度を推定する手法の開発, 物理探査学会第143回学術講演会論文集.
    • 澤山和貴 (2019) Stanford Geothermal Workshop 2019報告，日本地熱学会誌, 41(2), 41–44
    • Sawayama, K., Ikeda, T., Tsuji, T., and Fujimitsu, Y. (2018) Numerical Experiments of Elastic Wave Propagation through Digitalized Fractures under Various Aperture and Saturation Conditions, Proceedings of International Symposium on Earth Science and Technology 2018, 127–130.
    • Enokimaru, M., Cannon, J., Sawayama, K., Kitamura, K., and Fujimitsu, Y. (2018) Dependence of Electrical Conductivity of Geothermal Fluid on Temperature, Pressure and NaCl Concentration Using Molecular Dynamics, Proceedings of International Symposium on Earth Science and Technology 2018, 494-497.
    • 澤山和貴 (2018) 日本地熱若手ネットワーク(JYG-Net)専門部会　ランチョンセミナー・総会・交流会の報告,日本地熱学会誌, 40(1),13–14,
    • Sawayama, K., Tsuji, T., Kitamura, K. and Fujimitsu, Y. (2017) Numerical Simulation and Laboratory Measurement of Hydraulic and Electric Properties of Digitalized Fractures, Proceedings of International Symposium on Earth Science and Technology 2017, 404−407.
    • 北村圭吾, 澤山和貴, 藤光康宏 (2016) 電気インピーダンスによる岩石中の流体挙動評価手法の開発, 物理探査学会第135回学術講演会論文集, 157–158.

    Presentations

      ＜Oral, Posters＞
    1. 澤山和貴, 石橋琢也，蒋 飛，辻 健, 異方性のある亀裂の流体流動挙動と岩石物性:デジタル岩石物理によるスケール依存性の検討, 日本地球惑星科学連合2022年大会, Online, 2022年5月.
    2. Sawayama, K., Ishibashi T., Jiang, Tsuji, T., Relationship between permeability and resistivity explored via the numerical simulation of sheared fractures, AGU fall meeting, Online, December 2021.
    3. Sawayama, K., Ishibashi T., Jiang, F., Ikeda, T., Tsuji, T., Nishizawa, O., and Fujimitsu, Y., Digital rock physics revealing the relationships between permeability, resistivity and elastic wave velocity of rock fractures, the 14th SEGJ International Symposium, Online, October 2021.
    4. 國増貴明, 澤山和貴, 池田達紀, 辻健, デジタル岩石物理及び室内実験による月レゴリスシミュラントの氷含有率とS波速度の関係, 物理探査学会第145回学術講演会, 高松, 2021年11月.
    5. Shige, K., Sawayama, K., Tsuji, T., and Ikeda, T., Estimation of elastic wave velocity in digital rocks: Insight from feature extraction of pore structure using convolutional neural network, International Symposium on Earth Science and Technology 2021, Online, November 2021.
    6. 澤山和貴, 北村圭吾，藤光康宏, 樋口司, 亀裂系岩石におけるアーチーの法則の妥当性評価, 日本地熱学会 令和3年学術講演会, 仙台，2021年11月.
    7. 澤山和貴, 西澤修，池田達紀，蒋 飛，辻 健，藤光康宏, デジタル岩石物理とエネルギー論的アプローチによる岩石亀裂の弾性波速度推定, 日本地球惑星科学連合2021年大会, Online, 2021年6月.
    8. Sawayama, K., Jiang, F., Ikeda, T., Ishibashi, T., Tsuji, T, Fujimitsu, Y., and Asanuma, H., Estimation of Permeability and Water Saturation from the Resistivity and Elastic Wave Velocity: Insight from Laboratory Experiment and Digital Fracture Simulation, World Geothermal Congress 2020+1, Online, May 2021.
    9. Sawayama, K., Jiang, F., Tsuji, T., and Fujimitsu, Y., Development of two-phase fracture flow simulation method using Shan-Chen type lattice Boltzmann model, International Symposium on Earth Science and Technology 2020, Fukuoka, Japan, November 2020.
    10. 澤山和貴, 石橋琢也，蒋 飛，辻 健，池田達紀，西澤修，藤光康宏, スケールに依存しない岩石物性ー浸透率関係: 地熱コアをもとにした数値亀裂による検討, 日本地熱学会 令和2年学術講演会, 2020年11月.
    11. 繁恒樹，辻 健，實松豊，池田達紀，蒋 飛，澤山和貴, 機械学習を用いて岩石CT画像から弾性波速度を推定する手法の開発, 物理探査学会第143回学術講演会, Online, 2020年11月
    12. Sawayama, K., Jiang, F., Ishibashi, T., Tsuji, T., and Fujimitsu, Y., Correlation between physical and hydraulic properties of rock fractures constrained by surface geometry: Digital rock physics approach, Japan Geoscience Union and American Geophysical Union Joint Meeting, Online, July 2020.
    13. 山田恵也，澤山和貴, 片山郁夫，弾性波速度と減衰の関係 -含水条件での花崗岩の例-, Japan Geoscience Union and American Geophysical Union Joint Meeting, Online, July 2020.
    14. Sawayama, K., Li, K., and Horne, R., Creation of geothermal reservoirs by in-situ combustion of shale reservoirs: Feasibility study of "Leave the Carbon in the Ground", Energy Week 2020, Fukuoka, Japan, January 2020.
    15. Sawayama, K., Li, K., and Horne, R., "Leave the Carbon in the Ground": in-situ combustion by injecting air into abandoned shale reservoirs, International Symposium on Earth Science and Technology 2019, Fukuoka, Japan, December 2019.
    16. Sawayama, K., Ishibashi, T., Jiang, F., Tsuji, T., and Fujimitsu, Y., Changes in Hydraulic, Electric and Mechanical Properties with Aperture Closure: Insight from Experimental and Numerical Approaches, The 5th ISRM Young Scholars' Symposium on Rock Mechanics and International Symposium on Rock Engineering for Innovative Future, Okinawa, Japan, December 2019.
    17. Sawayama, K., Ishibashi, T., Jiang, F., Tsuji, T., and Fujimitsu, Y., Investigation of the approach to estimating permeability based on resistivity and elastic wave velocity using digital rock fractures, 2019 Annual Meeting of Geothermal Research Society of Japan, Tokyo, Japan, November 2019.
    18. Sawayama, K., Tsuji, T. and Fujimitsu, Y., Coupling Approach of Lattice Boltzmann Fluid Simulation and Finite Element Analysis of Geophysical Properties: Application to Natural Rock Fracture in Geothermal Area, International Exchange and Innovation Conference on Engineering & Sciences, Fukuoka, Japan, October 2019.
    19. Sawayama, K., Jiang, F., Ishibashi, T., Tsuji, T., and Fujimitsu, Y., Fluid-Flow, Resistivity and Elastic Wave Velocity Simulation of Digital Rock Fracture and Comparison with Experimental Data, Japan Geoscience Union Meeting, Chiba, Japan, May 2019.
    20. 山田恵也, 澤山和貴, 片山郁夫，サーマルクラックの入った花崗岩における間隙水圧の弾性波減衰への影響，日本地球惑星科学連合2019年大会，千葉，2019年5月.
    21. 澤山和貴, 地熱貯留層モニタリングを目指した亀裂岩石物性の解明, 九州大学エネルギーウィーク2019, 福岡, 2019年.
    22. Sawayama, K., Ikeda, T., Tsuji, T., and Fujimitsu, Y., Numerical Experiments of Elastic Wave Propagation through Digitalized Fractures under Various Aperture and Saturation Conditions, International Symposium on Earth Science and Technology 2018, Fukuoka, Japan, November 2018.
    23. Makoto Enokimaru, James Cannon, Sawayama, K., Kitamura, K. and Fujimitsu, Y., Dependence of Electrical Conductivity of Geothermal Fluid on Temperature, Pressure and NaCl Concentration Using Molecular Dynamics, International Symposium on Earth Science and Technology 2018, Fukuoka, Japan, November 2018.
    24. Sawayama, K., Ikeda, T., and Fujimitsu, Y., Investigation on the effect of water saturation against resistivity and elastic wave velocity using digital rock fractures, 2018 Annual Meeting of Geothermal Research Society of Japan, Tokyo, Japan, November 2018.
    25. Enokimaru, M., Cannon, J., Sawayama, K., Kitamura, K., and Fujimitsu, Y., Dependence of Electrical Conductivity of Geothermal Fluid on Temperature, Pressure and NaCl Concentration Using Molecular Dynamics, 2018 Annual Meeting of Geothermal Research Society of Japan, Tokyo, Japan, November 2018.
    26. Sawayama, K., Kitamura, K. and Fujimitsu, Y., Laboratory measurements on electric and elastic properties of fractured geothermal reservoir rocks under a simulated EGS condition, Geothermal Resources Council Annual Meeting 2018, Reno, USA, October 2018.
    27. Yamada, K., Sawayama, K., and Katayama, I., Effect of pore pressure on attenuation of seismic waves in thermally cracked granite, International Joint Workshop on Slow Earthquakes 2018, Fukuoka, Japan, September 2018.
    28. Sawayama, K., Kitamura, K. and Fujimitsu, Y., EFFECTS OF WATER SATURATION, FRACTURE AND SALINITY ON ELECTRIC AND ELASTIC PROPERTIES OF FRACTURED GEOTHERMAL ROCKS, Ground Renewable Energy 2018, a90374, Yokohama, Japan, June 2018.
    29. 榎丸眞, Cannon James, 澤山和貴, 北村圭吾, 藤光康宏，地熱地域の温度・圧力・NaCl濃度条件におけるNaCl流体の電気的特性の検討 —分子動力学計算を用いて—，平成30年度資源・素材学会北海道支部，札幌，2018年6月.
    30. Sawayama, K., Kitamura, K. and Fujimitsu, Y., Electrical impedance measurement of geothermal reservoir rock under fluid-flow test, Japan Geoscience Union Meeting, Chiba, Japan, May 2018.
    31. Makoto Enokimaru, James Cannon, Sawayama, K., Kitamura, K. and Fujimitsu, Y., Effects of temperature, pressure and NaCl concentration on electrical conductivity of geothermal fluid using molecular dynamics, Japan Geoscience Union Meeting, Chiba, Japan, May 2018.
    32. Sawayama, K., Ishibashi, T., Tsuji, T. and Fujimitsu, Y., Effect of Aperture Closure on Fracture Permeability: Experimental and Numerical Approaches, 15th International Workshop on WATER DYNAMICS, Sendai, Japan, March 2018.
    33. Sawayama, K., Kitamura, K., Tsuji, T. and Fujimitsu, Y., Fracture Flow Characterization from Seismic and Electric Properties: Insight from Experimental and Numerical Approaches, American Geophysical Union Fall meeting, New Orleans, USA, December 2017.
    34. Sawayama, K., Tsuji, T., Kitamura, K. and Fujimitsu, Y., Numerical Simulation and Laboratory Measurement of Hydraulic and Electric Properties of Digitalized Fractures, International Symposium on Earth Science and Technology 2017, Fukuoka, Japan, December 2017.
    35. Sawayama, K., Kitamura, K. and Fujimitsu, Y., Continuous Measurements of Complex Resistivity and Elastic Wave Velocity of Cracked Andesite Core under Fluid-Flow Test, 2017 Annual Meeting of Geothermal Research Society of Japan, Hakodate, Japan, October 2017.
    36. Sawayama, K., Kitamura, K. and Fujimitsu, Y., Effect of water saturation on the electrical impedance and elastic wave velocity of geothermal reservoir rocks, Joint Scientific Assembly of the International Association of Geodesy and International Association of Seismology and Physics of the Earth’s Interior, Kobe, Japan, August 2017.
    37. Sawayama, K., Kitamura, K. and Fujimitsu, Y., Electrical impedance measurement of geothermal reservoir rock under fluid-flow test, Japan Geoscience Union Meeting and Americal Geophysical Union Joint Meeting, Chiba, Japan, May 2017.
    38. Sawayama, K., Kitamura, K. and Fujimitsu, Y., Measurements of electrical impedance and elastic wave velocity of reservoir rock under fluid-flow test, European Geosciences Union General Assembly 2017, Vienna, Austria, April 2017.
    39. 澤山和貴, 電気インピーダンスを用いた地熱貯留層の水飽和度推定手法の開発, 九州大学エネルギーウィーク2017, 福岡, 2017年.
    40. Sawayama, K., Kitamura, K. and Fujimitsu, Y., Measurements of Electric Impedance and Elastic Wave Velocity of Cracked Andesite under Laboratory Fluid-Flow Test, International Symposium on Earth Science and Technology 2016, Fukuoka, Japan, December 2016.
    41. 北村圭吾, 澤山和貴, 藤光康宏, 電気インピーダンスによる岩石中の流体挙動評価手法の開発, 物理探査学会第135回学術講演会, 室蘭, 2016年10月.
    42. Sawayama, K., Kitamura, K. and Fujimitsu, Y., Impedance Measurement of Cracked Rock Core under Fluid-Flow Test, 2016 Annual Meeting of Geothermal Research Society of Japan, Koriyama, Japan, October 2016.
    43. Sawayama, K. and Katayama, I., Strain Behavior and Deformation Property of Aji Granite under Triaxial Compression Tests Japan Geoscience Union Meeting, Chiba, Japan, May 2016.

    ＜Seminars＞
    • 岩石物性値を利用した断層内の流体流動評価に向けた試み, @富山大, 2022年3月.
    • 比抵抗と弾性波速度を利用した岩石亀裂内の流体流動挙動の解明, @熱学セミナー, 2022年1月.
    • デジタル岩石物理による亀裂内の流体流動挙動と岩石物性変化の同時評価, 流体科学研究所特別講演会@東北大, 2021年11月.
    • Investigation on fractured rock properties for evaluating the fluid-flow in geothermal reservoirs, Progress in Environmental Technology Research, Fukuoka, November 2019.
    • 令和元年度共同研究合同報告会，霧島，2019年9月.
    • デジタル岩石亀裂を用いた亀裂岩盤における流体流動と物性解明，地震学夏の学校＠熊本，2019年9月.
    • Coupling approach of experiment and digital fracture simulation: Insight into simultaneous changes of permeability, resistivity and elastic wave velocity with aperture closure，@広島大，2019年6月.
    • 地熱開発における岩石物理学の役割，JYG-Net講習会＠東京，2019年4月.
    • Investigation on the Relation of Hydraulic-Electric-Elastic Properties within Rock Fractures for the purpose of application to geothermal reservoirs, @Stanford Univ., February 2019.
    • 平成30年度共同研究合同報告会，霧島，2018年9月.
    • Numerical investigation about the effect of aperture closure on fluid behavior in digitalized fracture, -MOLECULAR TO FIELD-SCALE CO2 BEHAVIOR FOR OPTIMIZED STORAGE- I2CNER INTERNATIONAL WORKSHOP 2018, Fukuoka, February 2018.
    • EGS技術開発のための岩石実験，地熱・火山地域の地下構造,流体,物性に関するセミナー@FREA，2017年9月.
    • 地熱地域における熱水飽和度の推定を目指した岩石実験，火山学勉強会＠草津，2017年9月.
    • 平成29年度共同研究合同報告会，霧島，2017年9月.
    • 岩石実験の地熱開発への貢献，JYG-Net巡検セミナー＠熱川，2017年8月.
    • Relationship between the water saturation and electrical impedance of igneous rock under fluid-flow test，@広島大with Prof. Gueguen，2016年5月.
    Copyright(C) 2020 Kazuki Sawayama

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