| Project/Area Number |
08044117
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| Research Category |
Grant-in-Aid for international Scientific Research
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| Allocation Type | Single-year Grants |
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| Section | Joint Research |
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| Research Field |
資源開発工学
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| Research Institution | Tohoku University |
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Principal Investigator |
NIITSUMA Hiroaki Tohoku University, Faculty of Engineerig, Professor, 大学院・工学研究科, 教授 (90108473)
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| Co-Investigator(Kenkyū-buntansha) |
MORIYA Hirokazu Tohoku University, Faculty of Engineerig, Associate Professor, 大学院・工学研究科, 助手 (60261591)
ASANUMA Hiroshi Tohoku University, Faculty of Engineerig, Associate Professor, 大学院・工学研究科, 助教授 (50250717)
ROY Baria ソコミン, CECプロジェクト, 主任研究員
MICHAEL Fehl ニューメキシコ鉱山工科大学, 準教授
FEHIER Michael New Mexico Tech, Adjunct Professor
BARIA Roy Socomine, CEC Project coordinator
BARIA Roy ソコミン, CECプロジェクト, 主任研究員
FEHLER Micha ニューメキシコ鉱山工科大学, 準教授
佐藤 源之 東北大学, 工学部, 助教授 (40178778)
SWENSON Dani カンザス州立大学, 教授
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| Project Period (FY) |
1996 – 1997
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| Project Status |
Completed (Fiscal Year 1997)
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| Budget Amount *help |
¥6,700,000 (Direct Cost: ¥6,700,000)
Fiscal Year 1997: ¥3,000,000 (Direct Cost: ¥3,000,000)
Fiscal Year 1996: ¥3,700,000 (Direct Cost: ¥3,700,000)
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| Keywords | ADVANCED MAPPING / AE / HDR / RESERVOIR / MAPPING / AE TOMOGRAPHY / DE-BLURRED / MULTICOMPONENT / AE法 / 3軸ダブレット法 / AEトモグラフィ法 / 坑井内弾性波計測 / 地下構造評価 / 3軸ダイバーシティ法 |
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| Research Abstract |
1.Installation of a server : A data server was installed in Tohoku University for this Project.
2.Joint Experiment : Joint AE measurement experiment was carried out at Soultz HDR site in cooperation with Socomine.
3.Project Meetings : Three project meetings were held in Sendai in FY 97 and 98.
4.Multicomponent signal processing WG : (a) In-situ detectability of the 3D hodogram was examined by the SPM analysis, (b) A time-frequency coherency analysis using the double 3C detector was investigated, (c) Wavelet spectral matrix analysis was introduced into the AE reflection method, (d) The 3D triaxial drill-bit VSP was investigated, (e) Triaxial AE doublet analysis was applied to Soultz dataset. (f) A software to automatically clusterize AE doublets was developed.
5.AB Tomography WG : AE tomography method was applied to Soultz data set.
6.Sparse Network WG : The performance of the AE network at Soultz was quantitatively evaluated and application of drill-bit VSP,AE reflection method and doublet analysis was investigated.
7.De-blurred mapping WG : Information on fracture network and geologic structure was introduced to the de-blurred mapping.
8.AE mechanism WG : Existence of aseismic zone inside the reservoir was found out. Theoretical and experimental study on seismic/aseismic zones was carried out. Spatial and temporal distribution of the doublet were examined.
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