Pressure Perturbations in Two Phase Geothermal Reservoir Associated with Seismisity
- Location
- Verkhne, Russia; Mutnovsky, Russia; Kamchatka
- Conference
- Stanford Geothermal Workshop
- Year
- 2003
- Session
- Reservoir Studies
- Language
- English
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Abstract
Cycles of the pressure observed during 1995-2002
years in the monitoring well of the two-phase
fractured Verkhne-Mutnovsky (Kamchatka, Russia)
geothermal reservoir shows 0.9-2.1 10-3 Hz frequency
range (8-18 min time periods) and 0.2-0.4 bars of
amplitude as a dominant cycling parameters. Some
earthquakes adjacent to East Kamchatka Volcanic
Zone associated with fluid pressure perturbations in
two-phase Verkhne-Mutnovsky reservoir: each
earthquake may associate its specific pressure
perturbation in the form of change cycling parameters
(time period and amplitude). The possible models of
the pressure cycling in two-phase fractured
geothermal reservoir discussed.
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