Tohoku University Graduate School of Environmental Studies Department of Environmental Studies for Advanced Society Resources Strategies Earth Exploitation Environmental Studies
About Tohoku University Graduate School of Environmental Studies Department of Environmental Studies for Advanced Society Resources Strategies Earth Exploitation Environmental Studies
Research field (1):
Earth resource engineering, energy science
Research keywords (4):
地圧測定・評価
, ジオメカニクス
, 地殻システム情報学
, 環境地殻力学
Research theme for competitive and other funds (30):
2013 - 現在 高温遠延性岩体における地熱エネルギー開発に関する研究
2012 - 現在 浅所地殻応力測定に基づく地震誘起現象の定量評価
2004 - 現在 せん断変位に伴うき裂透水性の不均一流れに関する研究
2003 - 現在 Study on the permeability of crack system
2000 - 現在 Study on Size effect on Surface height and Aperture Distribution of a Fracture
1997 - 現在 Development of the modified canical-ended borebole techniqe which is applicable to a water-filled subvertical borehole for stress measuresment at great depth
2017 - 2022 Permeability behavior in high-temperature ductile crust and prediction of spatiotemporal evolution in supercritical geothermal resource
2018 - 2021 A method to create a dense fracture network utilizing hydrofracturing phenomenon by supercritical water in the high-temperature ductile crust
2013 - 2017 Science and Technology of Geothermal Energy Frontier
2011 - 2014 Development of the Intelligent Compact Conical-ended Borehole Overcoring method and 3D JAPAN STRESS MAP
2010 - 2014 Self-sealability of fractures in rock and its application to fracture and strength control
2010 - 2012 High-precision method for monitoring underground storage of carbon dioxide with tiltmeter
2011 - 2011 New theory of rock fracture based on interaction between pre-existing
2009 - 2010 サスティナブル社会の実現のためのウェアラブル電源の提案
2007 - 2009 Mechanical behavior of a rock fracture and mechanisms for the scale effect
2007 - 2008 高精度傾斜計を用いた広域地下水流動評価法の開発
2006 - 2008 Development of in-situ stress measurement method having high applicability
2005 - 2006 高圧水中ウォータージェットを用いた汚染土壌浄化法
2003 - 2005 Evaluation of permeability of a fracture system under true triaxial compression
2002 - 2004 1000m以深に適用可能な高精度地圧計測法の開発
2001 - 2002 セルフアブレイシブキャビジェットによる岩石堀削法
2000 - 2002 Study on long-term permeability of fracture in rock mass
1999 - 2000 ウォータージェットの切削性能とノズル内壁面形状の関係
1998 - 1999 花崗岩類におけるき裂のフラクタル性と岩石組織の関係解明に関する研究
1997 - 1999 Development of Direct Measurement Technics for Thermophysical Properties of Rock Mass in situ by Well Logging
1997 - 1999 Development of Downward Compact Conical-ended Borehole Overcoring Method for In-situ Stress Measurement at Great Depth.
1996 - 1998 A THEORETICAL AND EXPERIMENTAL STUDY FOR ESTIMATING THREE-DIMENSIONAL IN-SITU STRESSES FROM CORE DISCING
1995 - 1996 DEVELOPMENT OF AN IN-SITU WATERJETS SYSTEM FOR PERFORATION
1995 - 1995 不均質岩盤における応力測定に関する研究
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Papers (146):
Eko Pramudyo, Kohei Takuma, Yuto Watanabe, Kiyotoshi Sakaguchi, Yutaro Maeda, Sho Ogata, Kazumasa Sueyoshi, Jiajie Wang, Kazumi Osato, Amane Terai, et al. Characteristics and effectiveness of water-assisted CO2 fracturing for creating geothermal reservoirs in volcanic rocks. Geoenergy Science and Engineering. 2024. 213280-213280
Kohei Takuma, Yutaro Maeda, Yuto Watanabe, Sho Ogata, Kiyotoshi Sakaguchi, Eko Pramudyo, Daisuke Fukuda, Jiajie Wang, Kazumi Osato, Amane Terai, et al. CO2 fracturing of volcanic rocks under geothermal conditions: Characteristics and process. Geothermics. 2024. 120. 103007-103007
Eko Pramudyo, Luis Salalá, Ryota Goto, Jiajie Wang, Kazumasa Sueyoshi, Lena Muhl, Kiyotoshi Sakaguchi, Noriaki Watanabe. Permeability enhancement by CO2 injection and chelating agent stimulation for creating geothermal reservoirs in granite. Geoenergy Science and Engineering. 2024. 234. 212586-212586
Kiyotoshi Sakaguchi, Yuta Shirosawa. Size effect and correlation with hardness of the microscopic fracture toughness of the minerals of granite. Proceedings of 15th ISRM Congress 2023 & 72nd Geomechanics Colloquium. 2023. 2418-2423
Kohei Takuma, Yuto Watanabe, Kiyotoshi Sakaguchi, Noriaki Watanabe, Kazumi Osato, Amane Terai. Carbon dioxide (CO2) fracturing of volcanic rocks under geothermal conditions. Proceedings of 15th ISRM Congress 2023 & 72nd Geomechanics Colloquium. 2023. 221-226
骨材資源工学会
, 日本地球惑星連合
, American Rock Mechanics Association
, The Japanese Association for Petroleum Technology
, 砕石研究会
, The Geothermal Research Society of Japan
, The Japanese Geotechnical Society
, The JapaneseCommittee for ISRM
, The Mining and Materials Processing Institute of Japan
, ISRM