Predicting fluid pressure in sedimentary basins from seismic tomography
10 pages, 9 figures, 2 tables.-- Geophysical Journal International ©: 2019 Predicting fluid pressure in sedimentary basins from seismic tomography Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reserved Gravitational compaction of thick (2-10 km) sedimen...
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Online Access: | http://hdl.handle.net/10261/195134 https://doi.org/10.1093/gji/ggz378 https://doi.org/10.13039/501100001602 https://doi.org/10.13039/501100000780 |
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ftcsic:oai:digital.csic.es:10261/195134 2024-02-11T10:06:46+01:00 Predicting fluid pressure in sedimentary basins from seismic tomography O'Reilly, Brian M. Prada, Manel Lavoué, François Lebedev, Sergei Science Foundation Ireland European Commission 2019-11 http://hdl.handle.net/10261/195134 https://doi.org/10.1093/gji/ggz378 https://doi.org/10.13039/501100001602 https://doi.org/10.13039/501100000780 unknown Oxford University Press Publisher's version https://doi.org/10.1093/gji/ggz378 No issn: 0956-540X e-issn: 1365-246X Geophysical Journal International 219(2): 1421-143 (2019) http://hdl.handle.net/10261/195134 doi:10.1093/gji/ggz378 http://dx.doi.org/10.13039/501100001602 http://dx.doi.org/10.13039/501100000780 open Seismic tomography Europe Sedimentary basin processes Permeability and porosity artículo http://purl.org/coar/resource_type/c_6501 2019 ftcsic https://doi.org/10.1093/gji/ggz37810.13039/50110000160210.13039/501100000780 2024-01-16T10:45:46Z 10 pages, 9 figures, 2 tables.-- Geophysical Journal International ©: 2019 Predicting fluid pressure in sedimentary basins from seismic tomography Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reserved Gravitational compaction of thick (2-10 km) sediment accumulations in sedimentary basins is controlled by the interplay of mechanical and chemical processes that operate over many orders of magnitude in spatial scale. The compaction of sediments into rock typically involves a density increase of ≈500 to 1000 kg m−3, occurring over a depth-scale of several kilometres. The volume decrease in the compacting sediments releases vast volumes of water, which plays an important part in the global hydrological cycle and also in tectonic and geochemical processes; including the formation of hydrocarbon and mineral deposits. This study utilizes recently developed tomographic seismic images from the Porcupine Basin, which lies in the deep-water North Atlantic Ocean. A generic method for predicting fluid pressure variations that are driven by gravitational compaction is developed over the scale of the entire sedimentary basin. The methodology is grounded upon both observational evidence and empirically based theories, relying on geophysical measurements and relationships between sediment porosities and densities. The method is based upon physical concepts that are widely used in the petroleum industry and applied extensively in models of overpressure development in sedimentary basins. Geological and geophysical data from exploration wells are used to test the predictions of the method at two locations within the basin and are found to be in good agreement with the theory This publication has emanated from research supported in part by a research grant from Science Foundation Ireland (SFI) under Grant Number 13/RC/2092 and is cofunded under the European Regional Development Fund and by PIPCO RSG and its member companies Peer Reviewed Article in Journal/Newspaper North Atlantic Digital.CSIC (Spanish National Research Council) Geophysical Journal International 219 2 1421 1430 |
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Seismic tomography Europe Sedimentary basin processes Permeability and porosity |
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Seismic tomography Europe Sedimentary basin processes Permeability and porosity O'Reilly, Brian M. Prada, Manel Lavoué, François Lebedev, Sergei Predicting fluid pressure in sedimentary basins from seismic tomography |
topic_facet |
Seismic tomography Europe Sedimentary basin processes Permeability and porosity |
description |
10 pages, 9 figures, 2 tables.-- Geophysical Journal International ©: 2019 Predicting fluid pressure in sedimentary basins from seismic tomography Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reserved Gravitational compaction of thick (2-10 km) sediment accumulations in sedimentary basins is controlled by the interplay of mechanical and chemical processes that operate over many orders of magnitude in spatial scale. The compaction of sediments into rock typically involves a density increase of ≈500 to 1000 kg m−3, occurring over a depth-scale of several kilometres. The volume decrease in the compacting sediments releases vast volumes of water, which plays an important part in the global hydrological cycle and also in tectonic and geochemical processes; including the formation of hydrocarbon and mineral deposits. This study utilizes recently developed tomographic seismic images from the Porcupine Basin, which lies in the deep-water North Atlantic Ocean. A generic method for predicting fluid pressure variations that are driven by gravitational compaction is developed over the scale of the entire sedimentary basin. The methodology is grounded upon both observational evidence and empirically based theories, relying on geophysical measurements and relationships between sediment porosities and densities. The method is based upon physical concepts that are widely used in the petroleum industry and applied extensively in models of overpressure development in sedimentary basins. Geological and geophysical data from exploration wells are used to test the predictions of the method at two locations within the basin and are found to be in good agreement with the theory This publication has emanated from research supported in part by a research grant from Science Foundation Ireland (SFI) under Grant Number 13/RC/2092 and is cofunded under the European Regional Development Fund and by PIPCO RSG and its member companies Peer Reviewed |
author2 |
Science Foundation Ireland European Commission |
format |
Article in Journal/Newspaper |
author |
O'Reilly, Brian M. Prada, Manel Lavoué, François Lebedev, Sergei |
author_facet |
O'Reilly, Brian M. Prada, Manel Lavoué, François Lebedev, Sergei |
author_sort |
O'Reilly, Brian M. |
title |
Predicting fluid pressure in sedimentary basins from seismic tomography |
title_short |
Predicting fluid pressure in sedimentary basins from seismic tomography |
title_full |
Predicting fluid pressure in sedimentary basins from seismic tomography |
title_fullStr |
Predicting fluid pressure in sedimentary basins from seismic tomography |
title_full_unstemmed |
Predicting fluid pressure in sedimentary basins from seismic tomography |
title_sort |
predicting fluid pressure in sedimentary basins from seismic tomography |
publisher |
Oxford University Press |
publishDate |
2019 |
url |
http://hdl.handle.net/10261/195134 https://doi.org/10.1093/gji/ggz378 https://doi.org/10.13039/501100001602 https://doi.org/10.13039/501100000780 |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_relation |
Publisher's version https://doi.org/10.1093/gji/ggz378 No issn: 0956-540X e-issn: 1365-246X Geophysical Journal International 219(2): 1421-143 (2019) http://hdl.handle.net/10261/195134 doi:10.1093/gji/ggz378 http://dx.doi.org/10.13039/501100001602 http://dx.doi.org/10.13039/501100000780 |
op_rights |
open |
op_doi |
https://doi.org/10.1093/gji/ggz37810.13039/50110000160210.13039/501100000780 |
container_title |
Geophysical Journal International |
container_volume |
219 |
container_issue |
2 |
container_start_page |
1421 |
op_container_end_page |
1430 |
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1790604693632712704 |