Non-Gaussian gas hydrate grade simulation at the Mallik site, Mackenzie Delta, Canada.
For the past decades, gas hydrate reservoirs have beneficiated from an increasing attention in the academic and industrial worlds. As a result, there is a growing need to develop specific and comprehensive gas hydrate reservoir characterization methods. This study explores the use of a stochastic Ba...
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ftinrsquebec:oai:espace.inrs.ca:10556 2023-05-15T17:09:30+02:00 Non-Gaussian gas hydrate grade simulation at the Mallik site, Mackenzie Delta, Canada. Dubreuil-Boisclair, Camille Gloaguen, Erwan Bellefleur, Gilles Marcotte, Denis 2012 https://espace.inrs.ca/id/eprint/10556/ https://doi.org/10.1016/j.marpetgeo.2012.02.020 unknown Dubreuil-Boisclair, Camille, Gloaguen, Erwan, Bellefleur, Gilles et Marcotte, Denis (2012). Non-Gaussian gas hydrate grade simulation at the Mallik site, Mackenzie Delta, Canada. Marine and Petroleum Geology , vol. 35 , nº 1. p. 20-27. DOI:10.1016/j.marpetgeo.2012.02.020 <https://doi.org/10.1016/j.marpetgeo.2012.02.020>. https://doi.org/10.1016/j.marpetgeo.2012.02.020 gas hydrate stochastic simulation Article Évalué par les pairs 2012 ftinrsquebec https://doi.org/10.1016/j.marpetgeo.2012.02.020 2023-02-10T11:46:11Z For the past decades, gas hydrate reservoirs have beneficiated from an increasing attention in the academic and industrial worlds. As a result, there is a growing need to develop specific and comprehensive gas hydrate reservoir characterization methods. This study explores the use of a stochastic Bayesian algorithm to integrate well-logs and 3D acoustic impedance in order to estimate gas hydrate grades (product of saturation and total porosity) over a representative volume of the Mallik gas hydrate field, located in the Mackenzie Delta, Northwest Territories of Canada. First, collocated log data from boreholes Mallik 5L-38 and 2L-38 are used to estimate the statistical relationship between acoustic impedance and gas hydrate grades. Second, conventional stochastic Bayesian simulation is applied to generate multiple gas hydrate grade 3D fields integrating log data and lateral variability of 3D acoustic impedance. These equiprobable scenarios permit to quantify the uncertainty over the estimation, and identify zones where this uncertainty is greater. Contrary to conventional stochastic reservoir modeling workflows, the proposed method allows integrating non Gaussian and non linear distributions. This permits to handle bimodal distributions without using complex stochastic transforms. The results present gas hydrate grade values that are in accordance with well-log data. The relatively low standard deviation calculated at each pixel using all realizations suggests that gas hydrate grades is well explained by acoustic impedance and log data. Article in Journal/Newspaper Mackenzie Delta Northwest Territories Institut national de la recherche scientifique, Québec: Espace INRS Canada Mackenzie Delta ENVELOPE(-136.672,-136.672,68.833,68.833) Northwest Territories Marine and Petroleum Geology 35 1 20 27 |
institution |
Open Polar |
collection |
Institut national de la recherche scientifique, Québec: Espace INRS |
op_collection_id |
ftinrsquebec |
language |
unknown |
topic |
gas hydrate stochastic simulation |
spellingShingle |
gas hydrate stochastic simulation Dubreuil-Boisclair, Camille Gloaguen, Erwan Bellefleur, Gilles Marcotte, Denis Non-Gaussian gas hydrate grade simulation at the Mallik site, Mackenzie Delta, Canada. |
topic_facet |
gas hydrate stochastic simulation |
description |
For the past decades, gas hydrate reservoirs have beneficiated from an increasing attention in the academic and industrial worlds. As a result, there is a growing need to develop specific and comprehensive gas hydrate reservoir characterization methods. This study explores the use of a stochastic Bayesian algorithm to integrate well-logs and 3D acoustic impedance in order to estimate gas hydrate grades (product of saturation and total porosity) over a representative volume of the Mallik gas hydrate field, located in the Mackenzie Delta, Northwest Territories of Canada. First, collocated log data from boreholes Mallik 5L-38 and 2L-38 are used to estimate the statistical relationship between acoustic impedance and gas hydrate grades. Second, conventional stochastic Bayesian simulation is applied to generate multiple gas hydrate grade 3D fields integrating log data and lateral variability of 3D acoustic impedance. These equiprobable scenarios permit to quantify the uncertainty over the estimation, and identify zones where this uncertainty is greater. Contrary to conventional stochastic reservoir modeling workflows, the proposed method allows integrating non Gaussian and non linear distributions. This permits to handle bimodal distributions without using complex stochastic transforms. The results present gas hydrate grade values that are in accordance with well-log data. The relatively low standard deviation calculated at each pixel using all realizations suggests that gas hydrate grades is well explained by acoustic impedance and log data. |
format |
Article in Journal/Newspaper |
author |
Dubreuil-Boisclair, Camille Gloaguen, Erwan Bellefleur, Gilles Marcotte, Denis |
author_facet |
Dubreuil-Boisclair, Camille Gloaguen, Erwan Bellefleur, Gilles Marcotte, Denis |
author_sort |
Dubreuil-Boisclair, Camille |
title |
Non-Gaussian gas hydrate grade simulation at the Mallik site, Mackenzie Delta, Canada. |
title_short |
Non-Gaussian gas hydrate grade simulation at the Mallik site, Mackenzie Delta, Canada. |
title_full |
Non-Gaussian gas hydrate grade simulation at the Mallik site, Mackenzie Delta, Canada. |
title_fullStr |
Non-Gaussian gas hydrate grade simulation at the Mallik site, Mackenzie Delta, Canada. |
title_full_unstemmed |
Non-Gaussian gas hydrate grade simulation at the Mallik site, Mackenzie Delta, Canada. |
title_sort |
non-gaussian gas hydrate grade simulation at the mallik site, mackenzie delta, canada. |
publishDate |
2012 |
url |
https://espace.inrs.ca/id/eprint/10556/ https://doi.org/10.1016/j.marpetgeo.2012.02.020 |
long_lat |
ENVELOPE(-136.672,-136.672,68.833,68.833) |
geographic |
Canada Mackenzie Delta Northwest Territories |
geographic_facet |
Canada Mackenzie Delta Northwest Territories |
genre |
Mackenzie Delta Northwest Territories |
genre_facet |
Mackenzie Delta Northwest Territories |
op_relation |
Dubreuil-Boisclair, Camille, Gloaguen, Erwan, Bellefleur, Gilles et Marcotte, Denis (2012). Non-Gaussian gas hydrate grade simulation at the Mallik site, Mackenzie Delta, Canada. Marine and Petroleum Geology , vol. 35 , nº 1. p. 20-27. DOI:10.1016/j.marpetgeo.2012.02.020 <https://doi.org/10.1016/j.marpetgeo.2012.02.020>. https://doi.org/10.1016/j.marpetgeo.2012.02.020 |
op_doi |
https://doi.org/10.1016/j.marpetgeo.2012.02.020 |
container_title |
Marine and Petroleum Geology |
container_volume |
35 |
container_issue |
1 |
container_start_page |
20 |
op_container_end_page |
27 |
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1766065603330703360 |