Characterization of Subsurface 3-D Cracks for Advanced Geothermal
| Project/Area Number |
20360403
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Earth system and resources enginnering
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| Research Institution | Tohoku University |
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Principal Investigator |
HAYASHI Kazuo 東北大学, 流体科学研究所, 教授 (30111256)
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| Co-Investigator(Kenkyū-buntansha) |
ITO Shin 秋田県立大学, システム科学技術学部, 准教授 (10315640)
SEKINE Kotaro 東北大学, 流体科学研究所, 助教 (70361194)
MORIYA Hirokazu 東北大学, 大学院・工学研究科, 講師 (60261591)
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| Project Period (FY) |
2008 – 2010
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| Project Status |
Completed (Fiscal Year 2010)
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| Budget Amount *help |
¥12,090,000 (Direct Cost: ¥9,300,000、Indirect Cost: ¥2,790,000)
Fiscal Year 2010: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Fiscal Year 2009: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Fiscal Year 2008: ¥6,370,000 (Direct Cost: ¥4,900,000、Indirect Cost: ¥1,470,000)
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| Keywords | 自然エネルギー / 再生可能エネルギー / 地熱エネルギー / 弾性波 / き裂同定法 / 地熱 / EGS / HDR / 貯留層 / 地下き裂 |
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| Research Abstract |
In modern geothermal heat extraction, artificial fractures are usually introduced in order to produce geothermal heat more efficiently and more massively. The artificial cracks are predominantly large in sedimentary rocks. In the present report, we model the artificial crack as a 3-D crack filled with fluid. Then we studied the dynamic responses of the 3-D fluid filled cracks, such as size, location and conductivity. A new method is proposed to estimate the factors listed above. The applicability to field data was checked.
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Report
(4 results)
Research Products
(19 results)
