A Tracer Test Using Ethanol as a Two-Phase Tracer and 2-Naphthalene Sulfonate as a Liquid-Phase Tracer at the Coso Geothermal Field

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Conference Proceedings: A Tracer Test Using Ethanol as a Two-Phase Tracer and 2-Naphthalene Sulfonate as a Liquid-Phase Tracer at the Coso Geothermal Field

Abstract
A tracer test was conducted at the Coso geothermal field in order to characterize the flow patterns of fluid injected into well 68-20RD. A conservative liquid phase tracer, 2-naphthalene sulfonate, and a two-phase tracer, ethanol, were injected into well 68-20RD. Surrounding production wells were sampled over the subsequent 125 days and analyzed for the two tracers. The liquid-phase tracer showed negligible returns, whereas the two-phase tracer showed strong and immediate returns to two wells and slower but significant returns to two additional wells. These results demonstrate the efficacy of the simultaneous use of liquid-phase and two-phase tracers in fluid-depleted geothermal fields.

Authors 
Mella, M.; Rose, P.; McCulloch, J.; Buck and C.








Published 
Geothermal Resource Council Transactions 2006, 1/1/2006





DOI 
Not Provided
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Citation

Mella, M.; Rose, P.; McCulloch, J.; Buck, C.. 1/1/2006. A Tracer Test Using Ethanol as a Two-Phase Tracer and 2-Naphthalene Sulfonate as a Liquid-Phase Tracer at the Coso Geothermal Field. Proceedings of (!) ; (!) : Geothermal Resource Council Transactions 2006.


Related Geothermal Exploration Activities
Activities (1)


Areas (1)
  1. Coso Geothermal Area
Regions (0)