| Title | Characterization of Inter-Well Connectivity Using Alcohol Tracer and Steam Geochemistry in the Matsukawa Vapor-Dominated Geothermal Field, Northeast Japan |
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| Authors | Fukuda, Daisuke; Akatsuka, Takashi; Sarudate, Masahiro |
| Year | 2006 |
| Conference | Geothermal Resources Council Transactions |
| Keywords | Power Plants; two-phase tracer, alcohol tracer, vapor-dominated, steam geochemistry |
| Abstract | Two-phase tracer tests using alcohols were conducted at the Matsukawa geothermal field in order to characterize the inter-well connectivity in the reservoir. Tracers were injected into wells M-6, M-13 and M-14, and their returns indicated hydraulic connections among wells M-6, M-8 and M-13, and among wells M-7, M-11 and M-14. The geochemical and physical observations also revealed the relatively strong connections between wells M-6 and M-8, and between wells M-11 and M-14. Furthermore, these inter-well connections are also supported by the geochemical grouping of production wells using the steam geochemistry. This evaluation has played a central role in the modeling of the inter-well connectivity and the distribution of permeable fractures in the Matsukawa field. |