Supplementary Material For Publication "Pore-Scale Salinity Effects On Methane Hydrate Dissociation" By Almenningen Et Al
Supplementary materials for publication "Pore-scale salinity effects on methane hydrate dissociation" Abstract: Sedimentary methane gas hydrates may become a significant source of methane gas in the global energy mix for the next decades. The widespread distribution of methane hydrates, pr...
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ftdatacite:10.5281/zenodo.1216585 2023-05-15T17:11:36+02:00 Supplementary Material For Publication "Pore-Scale Salinity Effects On Methane Hydrate Dissociation" By Almenningen Et Al Almenningen, S. Iden, E. Fernø, M.A. Ersland, G. 2018 https://dx.doi.org/10.5281/zenodo.1216585 https://zenodo.org/record/1216585 unknown Zenodo https://dx.doi.org/10.5281/zenodo.1216586 Open Access Creative Commons Attribution 4.0 https://creativecommons.org/licenses/by/4.0 info:eu-repo/semantics/openAccess CC-BY methane hydrate; dissociation; micro-model; pore-scale dataset Dataset 2018 ftdatacite https://doi.org/10.5281/zenodo.1216585 https://doi.org/10.5281/zenodo.1216586 2021-11-05T12:55:41Z Supplementary materials for publication "Pore-scale salinity effects on methane hydrate dissociation" Abstract: Sedimentary methane gas hydrates may become a significant source of methane gas in the global energy mix for the next decades. The widespread distribution of methane hydrates, primarily in subsea sediments on continental margins, makes the crystalline compound attractive for countries with shorelines that seek self-sustainable energy. Fundamental understanding of pore-level methane hydrate distribution and dissociation pattern is important to anticipate the gas production from hydrate reservoirs. Especially the effect of local salinity gradients on dissociation characteristics must be understood as the aqueous phase in most reservoirs is saline. We evaluate the pore-level salinity effect on hydrate dissociation experimentally using silicon-wafer micro-models capable of withstanding high internal pressures. Methane hydrates were formed with brines for a range of salinities (0.0, 2.0, 3.5 and 5.0 wt% NaCl), and we study hydrate dissociation during both depressurization and thermal stimulation, which currently are the most cost-effective production methods. The laboratory results show how initial pore-scale hydrate distribution prior to dissociation affect the melting and mobilization of gas. The local pore-water salinities influenced the stability of the hydrate structure, and led to distinct dissociation patterns due to water freshening. Dataset Methane hydrate DataCite Metadata Store (German National Library of Science and Technology) Almenningen ENVELOPE(17.804,17.804,69.357,69.357) |
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Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
language |
unknown |
topic |
methane hydrate; dissociation; micro-model; pore-scale |
spellingShingle |
methane hydrate; dissociation; micro-model; pore-scale Almenningen, S. Iden, E. Fernø, M.A. Ersland, G. Supplementary Material For Publication "Pore-Scale Salinity Effects On Methane Hydrate Dissociation" By Almenningen Et Al |
topic_facet |
methane hydrate; dissociation; micro-model; pore-scale |
description |
Supplementary materials for publication "Pore-scale salinity effects on methane hydrate dissociation" Abstract: Sedimentary methane gas hydrates may become a significant source of methane gas in the global energy mix for the next decades. The widespread distribution of methane hydrates, primarily in subsea sediments on continental margins, makes the crystalline compound attractive for countries with shorelines that seek self-sustainable energy. Fundamental understanding of pore-level methane hydrate distribution and dissociation pattern is important to anticipate the gas production from hydrate reservoirs. Especially the effect of local salinity gradients on dissociation characteristics must be understood as the aqueous phase in most reservoirs is saline. We evaluate the pore-level salinity effect on hydrate dissociation experimentally using silicon-wafer micro-models capable of withstanding high internal pressures. Methane hydrates were formed with brines for a range of salinities (0.0, 2.0, 3.5 and 5.0 wt% NaCl), and we study hydrate dissociation during both depressurization and thermal stimulation, which currently are the most cost-effective production methods. The laboratory results show how initial pore-scale hydrate distribution prior to dissociation affect the melting and mobilization of gas. The local pore-water salinities influenced the stability of the hydrate structure, and led to distinct dissociation patterns due to water freshening. |
format |
Dataset |
author |
Almenningen, S. Iden, E. Fernø, M.A. Ersland, G. |
author_facet |
Almenningen, S. Iden, E. Fernø, M.A. Ersland, G. |
author_sort |
Almenningen, S. |
title |
Supplementary Material For Publication "Pore-Scale Salinity Effects On Methane Hydrate Dissociation" By Almenningen Et Al |
title_short |
Supplementary Material For Publication "Pore-Scale Salinity Effects On Methane Hydrate Dissociation" By Almenningen Et Al |
title_full |
Supplementary Material For Publication "Pore-Scale Salinity Effects On Methane Hydrate Dissociation" By Almenningen Et Al |
title_fullStr |
Supplementary Material For Publication "Pore-Scale Salinity Effects On Methane Hydrate Dissociation" By Almenningen Et Al |
title_full_unstemmed |
Supplementary Material For Publication "Pore-Scale Salinity Effects On Methane Hydrate Dissociation" By Almenningen Et Al |
title_sort |
supplementary material for publication "pore-scale salinity effects on methane hydrate dissociation" by almenningen et al |
publisher |
Zenodo |
publishDate |
2018 |
url |
https://dx.doi.org/10.5281/zenodo.1216585 https://zenodo.org/record/1216585 |
long_lat |
ENVELOPE(17.804,17.804,69.357,69.357) |
geographic |
Almenningen |
geographic_facet |
Almenningen |
genre |
Methane hydrate |
genre_facet |
Methane hydrate |
op_relation |
https://dx.doi.org/10.5281/zenodo.1216586 |
op_rights |
Open Access Creative Commons Attribution 4.0 https://creativecommons.org/licenses/by/4.0 info:eu-repo/semantics/openAccess |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.5281/zenodo.1216585 https://doi.org/10.5281/zenodo.1216586 |
_version_ |
1766068381118627840 |