Samuel Scott

Thermo-hydraulic drivers of superhot geothermal well performance

Samuel Scott

Geothermal wells drilled into superhot (>375 °C) conditions have the potential to produce substantially more power than conventional geothermal wells. However, the interplay between reservoir pressure, temperature and permeability in controlling deliverable power remains poorly understood. Using a coupled reservoir-wellbore modeling framework …

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Constraining time-lapse geophysical responses with reactive transport modelling: an approach to monitor H2S mineral storage

D. A. Ciraula, Gianluca Fiandaca, Jian Chen, Samuel Scott et autres

SUMMARY Geothermal energy production emits significant amounts of hydrogen sulfide (H$_2$S). A strategy to mitigate the emissions is to reinject the H$_2$S into basaltic formations, where it reacts with the rock to form pyrite. Due to the polarization properties of pyrite, the …

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Top-Down Cooling and Its Role in Sustaining the Laugarnes Geothermal Field, Iceland

Adolph Jr. Bravo, Samuel Scott, Halldór Pálsson, Gunnar T. Gunnarsson

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Top-Down Cooling and its Role in Sustaining the Laugarnes Geothermal Field, Iceland

Adolph Jr. Bravo, Samuel Scott, Halldór Pálsson, Gunnar T. Gunnarsson

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Trace Element Emissions Vary With Lava Flow Age and Thermal Evolution During the Fagradalsfjall 2021–2023 Eruptions, Iceland

Laura Wainman, Evgenia Ilyinskaya, Melissa Anne Pfeffer, Celine L. Mandon et autres

Abstract Basaltic fissure eruptions emit volatile and environmentally reactive gases and particulate matter (PM) into the lower troposphere (e.g., SO 2 , HCl, and HF in the gas phase; Se, As, Pb as complexes in the PM phase). Lava flows from fissure …

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Solubility of NaCl in water vapor at 400–700 °C

Sigríður María Aðalsteinsdóttir, Guðmundur Sverrisson, Samuel Scott, Erlend Oddvin Straume et autres

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Investigation of Scaling and Materials’ Performance in Simulated Geothermal Brine

David Martelo, Briony Holmes, Namrata Kale, Samuel Scott et autres

Geothermal energy generation faces challenges in efficiency, partly due to restrictions on reinjection temperatures caused by scaling issues. Therefore, developing strategies to prevent scaling is critical. This study aims to simulate the scaling tendencies and corrosion effects of geothermal fluids on various …

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Silica solubility and molecular speciation in water vapor at 400–800 °C

Andri Stefánsson, Samuel Scott, Anna Bríet Bjarkadóttir, A. Bravo et autres

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Investigation of Scaling and Materials Performance in Simulated Geothermal Brine

David Martelo, Briony Holmes, Namrata Kale, Samuel Scott et autres

Geothermal energy generation faces challenges in efficiency, partly due to restrictions on reinjection temperatures caused by scaling issues. Therefore, developing strategies to prevent scaling is critical. This study aims to simulate the scaling tendencies and corrosion effects of geothermal fluids on various …

gb, is (code pays fourni par la source)

Trace element emissions vary with lava flow age and thermal evolution during the Fagradalsfjall 2021-2023 eruptions, Iceland.

Laura Wainman, Evgenia Ilyinskaya, Melissa Anne Pfeffer, Celine L. Mandon et autres

Basaltic fissure eruptions emit an array of volatile and environmentally reactive gases and particulate matter (PM) into the lower troposphere (e.g., SO2, HCl, and HF in the gas phase; Se, As, Pb as complexes in the PM phase). Lava flows from fissure …

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Hydrological constraints on the potential of enhanced geothermal systems in the ductile crust

Samuel Scott, Alina Yapparova, Philipp Weis, Matthew Houde

Abstract Continental crust at temperatures > 400 °C and depths > 10–20 km normally deforms in a ductile manner, but can become brittle and permeable in response to changes in temperature or stress state induced by fluid injection. In this study, we …

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Isotopic and kinetic constraints on methane origins in Icelandic hydrothermal fluids

Andri Stefánsson, Andrea Ricci, Mark H. Garnett, Jóhann Gunnarsson Robin et autres

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