Thermal-permeability structure and recharge conditions of the Mutnovsky high-temperature geothermal field (Kamchatka, Russia)

Kiryukhin, A. V.; Polyakov, A. Yu.; Usacheva, O.O.; Kiryukhin, P. A.

doi:10.1016/j.jvolgeores.2018.02.010

Cited by 15 publications

(8 citation statements)

References 11 publications

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“…Conceptual 2D iTOUGH2-EOS1sc thermal hydrodynamic modeling of the Mutnovsky magmatic-hydrothermal system [7] reasonably explains its evolution over the most recent 1500-5000 years in terms of heat recharge (supplied by injected dykes from the active funnel Mutnovsky-4) and mass recharge (water injected through the dormant volcanic funnels Mutnovsky-3 and possibly Mutnovsky-2) conditions. We emphasize that the magmatic injection rate is approximately equivalent to the heat discharge rate (455 MWt).…”

Section: Discussionmentioning

confidence: 88%

“…The Mutnovsky (Dachny) geothermal reservoir includes at least two production faults geometrically and hydraulically connected to the magma fracking system of Mutnovsky volcano [7] (see also Figure 4).…”

Section: Mutnovsky Production Reservoirmentioning

confidence: 99%

“…## 2017618050) (these applications discrete fracture systems using seismic and geological data). In these programs, the following criteria are used to select clusters of earthquake hypocenters or production feed zones: (1) proximity in time δt (Frac-Digger only); (2) proximity within the horizontal plane δR; (3) proximity to plane orientation δZ (distance between the object and plane); and (4) minimum number of elements in cluster N. This method has already been tested on the example of the 2012 eruption of Tolbachik volcano [2], the 2000-2016 MEQ data of Koryaksky-Avachinsky volcanic cluster [3][4][5], Paratunsky graben (adjacent to Vilyuchinsky volcano) [6], the Mutnovsky-Gorely volcanic cluster [7], and the Klyuchevkoy group of volcanoes [8]. Note that the methodology of dyke tracking using the Frac-Digger program is presented in detail in Section 3.2.1, "Seismic Data and Method of Plane-Oriented Clusters Identification" [5].…”

Section: Introductionmentioning

confidence: 99%

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Magma Fracking Beneath Active Volcanoes Based on Seismic Data and Hydrothermal Activity Observations

et al. 2020

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Active volcanoes are associated with microearthquake (MEQ) hypocenters that form plane-oriented cluster distributions. These are faults delineating a magma injection system of dykes and sills. The Frac-Digger program was used to track fracking faults in the Kamchatka active volcanic belt and fore-arc region of Russia. In the case of magma laterally injected from volcanoes into adjacent structures, high-temperature hydrothermal systems arise, for example at Mutnovsky and Koryaksky volcanoes. Thermal features adjacent to these active volcanoes respond to magma injection events by degassing CO2 and by transient temperature changes. Geysers created by CO2-gaslift activity in silicic volcanism areas also flag magma and CO2 recharge and redistributions, for example at the Uzon-Geyserny, Kamchatka, Russia and Yellowstone, USA magma hydrothermal systems. Seismogenic faults in the Kamchatka fore-arc region are indicators of geofluid fracking; those faults can be traced down to 250 km depth, which is within the subduction slab below primary magma sources.

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Section: Discussionmentioning

confidence: 88%

Section: Mutnovsky Production Reservoirmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Magma Fracking Beneath Active Volcanoes Based on Seismic Data and Hydrothermal Activity Observations

et al. 2020

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“…The intrusion age could be older by a few thousand years, as the current thermal profile in the geothermal system could persist for a few thousand years, depending on the size of the intrusion (Driesner and Geiger 2007;Hayba and Ingebritsen 1997) but would still postdate the volcanic rocks in the area by hundreds of thousands of years. This could be further studied by assessing the various possibilities for the size, shape, and location of the magmatic source(s), and the dynamic of these sources, for example by changing the initial conditions to take into account some of the volcanic history, or by including long-distance dyke injections from La Soufrière to Bouillante (Kiryukhin et al 2018;Sigmundsson et al 2015).…”

Section: Discussionmentioning

confidence: 99%

Numerical modeling of the geothermal hydrology of the Volcanic Island of Basse-Terre, Guadeloupe

2019

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Basse-Terre island in Guadeloupe (French West Indies) is part of the Lesser Antilles volcanic arc and has good potential for high-enthalpy geothermal resources (Laplaige et al. 2013). A geothermal plant was installed in 1984 at the Bouillante site on the island's west coast (Jaud and Lamethe 1985), where surface hot springs had indicated a possible high-enthalpy resource. This plant has now a production capacity of 15 MWe. The rest of the island, however, remained largely unexplored for geothermal resources. In recent years, several projects have been launched to determine the potential of other targets

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“…The Mutnovsky geothermal area is a part of the Eastern Kamchatka active volcano belt. Mutnovsky is 80 kY old, an aging strato-volcano (a complex of 4 composite volcanic cones), which acts as a magma-and water-injector into the 25-km-long North Mutnovsky extension zone [6]. Magmatic injection events (dykes) are associated with plane-oriented MEQ (microearthquake) clusters, most of whom occur in the NE sector of the volcano (2 x 10 km 2 ) at elevations from -4 to -2 km, while some magmatic injections take place at elevations from -6.0 to -4.0 km below the Mutnovsky production field.…”

Section: The Mutnovsky High Temperature Geothermal Reservoirmentioning

confidence: 99%

Isotopes & Geochemistry: Tools For Geothermal Reservoir Characterization (Kamchatka Examples)

et al. 2019

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The thermal, hydrogeological, and chemical processes affecting Kamchatka geothermal reservoirs were studied by using isotope and geochemistry data: (1) The Geysers Valley hydrothermal reservoirs; (2) The Paratunsky low temperature reservoirs; (3) The North-Koryaksky hydrothermal system; (4) The Mutnovsky high temperature geothermal reservoir; (5) The Pauzhetsky geothermal reservoir. In most cases water isotope in combination with Cl- transient data are found to be useful tool to estimate reservoirs natural and disturbed by exploitation recharge conditions, isotopes of carbon-13 (in CO2) data are pointed either active magmatic recharge took place, while SiO2 and Na-K geothermometers shows opposite time transient trends (Paratunsky, Geysers Valley) suggest that it is necessary to use more complicated geochemical systems of water/mineral equilibria.

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Thermal-permeability structure and recharge conditions of the Mutnovsky high-temperature geothermal field (Kamchatka, Russia)

Cited by 15 publications

References 11 publications

Magma Fracking Beneath Active Volcanoes Based on Seismic Data and Hydrothermal Activity Observations

Magma Fracking Beneath Active Volcanoes Based on Seismic Data and Hydrothermal Activity Observations

Numerical modeling of the geothermal hydrology of the Volcanic Island of Basse-Terre, Guadeloupe

Isotopes & Geochemistry: Tools For Geothermal Reservoir Characterization (Kamchatka Examples)

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