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Fields Medical Life Sciences Information Communication Environment Nanotechnology / Materials Energy Manufacturing Technology Social Infrastructure Frontier Liberal Arts Themes Researchers JP Top Energy Development of the method of Baby Borehole Hydraulic Fracturing, BABHY Development of the method of Baby Borehole Hydraulic Fracturing, BABHY JAPANESEINQUIRY update：2020/06/16 NEXT PREV Features and Uniqueness For the effective measurement of the reopening pressure in hydraulic fracturing, it is necessary to use the testing equipment with sufficiently small compliance. This limitation makes it difficult to apply the hydraulic fracturing for the measurement of the maximum stress, because the compliance of conventional equipments is generally so large. Taking account of this situation, we proposed a new concept which allows us to do the in-situ tests of hydraulic fracturing for stress measurement at so deep depths as more than 1 km. We call the concept the Baby Borehole Hydrofracturing, BABHY for short. In order to put the new concept into practice, we developed the BABHY sonde and finally we succeeded to carry out hydraulic fracturing test by using the tools in a vertical borehole of 811 m depth. We hope to conduct collaborative research with a willing company for a practical application of this technology in industry. Keywords Borehole Hydraulic fracturing In-situ stress Deep depth High temperature Soft rock BABHY Researchers Institute of Fluid Science Takatoshi Ito, ProfessorDoctor of Engineering researchmap researchmap Browsing History User Who Reviewed This Content Also Reviewed Extracorporeal Shock Wave Therapy as a New, Non-Invasive Angiogenic Therapy [ SHIMOKAWA Hiroaki Professor ] Molecular Imaging from Basic Research to Clinical Application [ YANAI Kazuhiko Professor ] Noninvasive Ultrasonic Measurement of Dynamic Properties of Heart and Arteries [ Hiroshi Kanai Professor ] Research Profiles ©TOHOKU UNIVERSITY How to Use FAQ For Researchers Site Policy [jp] ©TOHOKU UNIVERSITY Fields Medical Life Sciences Information Communication Environment Nanotechnology / Materials Energy Manufacturing Technology Social Infrastructure Frontier Liberal Arts Fields Themes Researchers 日本語 ENGLISH Close