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Title: |
Tracer Testing at Mori Geothermal Field, Japan, Using Aromatic Compounds |
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Authors: |
Masato Watanabe, Fumiaki Arai, Daisuke Fukuda, Mikihiro Asanuma, Yasuyuki Hishi and Jiro Tsutsumi |
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Key Words: |
tracer, aromatic compounds, caldera, liquid-dominated |
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Geo Location: |
Nigorikawa Caldera, Japan; Mori (Hokkaido), Japan |
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Conference: |
Stanford Geothermal Workshop |
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Year: |
2005 |
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Session: |
Tracers |
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Language: |
English |
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Paper Number: |
Watanabe |
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File Size: |
1078KB |
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View File: |
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The Mori liquid-dominated reservoir consists of caldera-fill sediment and pre-Tertiary marine sediments surrounding the caldera. In order to trace the injectate flow in the both zones, we conducted several tracer tests using aromatic compounds from 2000 to 2004 (KI and KBr had been used before 2000). The results showed that the injectate flowed vertically in caldera-fill sediment, and horizontally in pre-tertiary sediments. We have been planning the proper flow rates of re-injection based on the results of the tracer tests.
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