Reservoir Characterization of Snøhvit Field, Norwegian Barents Sea
Snøhvit field is the only field in production in Norwegian Barents Sea. Most of the hydrocarbons are gas. Complicated tectonic history of this field resulted in low matured source rocks, highly faulted structures, low porosities and trap breach. Three reservoirs were studied in this project; Stø, No...
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ftoslouniv:oai:www.duo.uio.no:10852/37969 2023-05-15T15:38:46+02:00 Reservoir Characterization of Snøhvit Field, Norwegian Barents Sea Gao, Yuefeng Nazmul Haque Mondol, Manzar Fawad 2013 http://hdl.handle.net/10852/37969 http://urn.nb.no/URN:NBN:no-40267 eng eng http://urn.nb.no/URN:NBN:no-40267 Gao, Yuefeng. Reservoir Characterization of Snøhvit Field, Norwegian Barents Sea. Masteroppgave, University of Oslo, 2013 http://hdl.handle.net/10852/37969 info:ofi/fmt:kev:mtx:ctx&ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&rft.au=Gao, Yuefeng&rft.title=Reservoir Characterization of Snøhvit Field, Norwegian Barents Sea&rft.inst=University of Oslo&rft.date=2013&rft.degree=Masteroppgave URN:NBN:no-40267 182130 Fulltext https://www.duo.uio.no/bitstream/handle/10852/37969/1/MasterxxThesisx-xGaoxYuefeng.pdf VDP::450 Master thesis Masteroppgave 2013 ftoslouniv 2020-06-21T08:47:17Z Snøhvit field is the only field in production in Norwegian Barents Sea. Most of the hydrocarbons are gas. Complicated tectonic history of this field resulted in low matured source rocks, highly faulted structures, low porosities and trap breach. Three reservoirs were studied in this project; Stø, Nordmela and Tubåen Formations. Stø is the main producing formation in Snøhvit field. It is gas saturated and formed in shallow marine environment. Most sections of Stø Formation are composed of very clean sands. Properties in Nordmela are much worse for its high volume of shale and clay contents formed in complex estuary and tidal environments. Only minor gas and oil were found in it. Clay studies show evidence of deep burial and uplifted history in this region. Although oil and gas did not exist in fluvial Tubåen Formation, it is the main object of study because it was the target formation of the previous CO2 injection project operated by Statoil. Four zones were divided in this formation but the uppermost one represents a transgression event rather than fluvial environments. Models of this formation explained the storage capacity problems. Different methods were used to estimate porosities and permeabilities for all three reservoirs. Calculations show previous overestimation of permeabilities and connectivity for channels. Local good CO2 warehouses were isolated and the surrounding worse reservoirs become barriers under high injection pressure. Statoil started a new injection target which is Stø Formation. A preliminary and qualitative analysis shows thick and widespread sandstones. These sandstones may support the long lasting injection project. Master Thesis Barents Sea Snøhvit Universitet i Oslo: Digitale utgivelser ved UiO (DUO) Barents Sea Nordmela ENVELOPE(15.675,15.675,69.134,69.134) Stø ENVELOPE(15.124,15.124,69.019,69.019) Tubåen ENVELOPE(23.416,23.416,70.987,70.987) |
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Universitet i Oslo: Digitale utgivelser ved UiO (DUO) |
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ftoslouniv |
language |
English |
topic |
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VDP::450 Gao, Yuefeng Reservoir Characterization of Snøhvit Field, Norwegian Barents Sea |
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VDP::450 |
description |
Snøhvit field is the only field in production in Norwegian Barents Sea. Most of the hydrocarbons are gas. Complicated tectonic history of this field resulted in low matured source rocks, highly faulted structures, low porosities and trap breach. Three reservoirs were studied in this project; Stø, Nordmela and Tubåen Formations. Stø is the main producing formation in Snøhvit field. It is gas saturated and formed in shallow marine environment. Most sections of Stø Formation are composed of very clean sands. Properties in Nordmela are much worse for its high volume of shale and clay contents formed in complex estuary and tidal environments. Only minor gas and oil were found in it. Clay studies show evidence of deep burial and uplifted history in this region. Although oil and gas did not exist in fluvial Tubåen Formation, it is the main object of study because it was the target formation of the previous CO2 injection project operated by Statoil. Four zones were divided in this formation but the uppermost one represents a transgression event rather than fluvial environments. Models of this formation explained the storage capacity problems. Different methods were used to estimate porosities and permeabilities for all three reservoirs. Calculations show previous overestimation of permeabilities and connectivity for channels. Local good CO2 warehouses were isolated and the surrounding worse reservoirs become barriers under high injection pressure. Statoil started a new injection target which is Stø Formation. A preliminary and qualitative analysis shows thick and widespread sandstones. These sandstones may support the long lasting injection project. |
author2 |
Nazmul Haque Mondol, Manzar Fawad |
format |
Master Thesis |
author |
Gao, Yuefeng |
author_facet |
Gao, Yuefeng |
author_sort |
Gao, Yuefeng |
title |
Reservoir Characterization of Snøhvit Field, Norwegian Barents Sea |
title_short |
Reservoir Characterization of Snøhvit Field, Norwegian Barents Sea |
title_full |
Reservoir Characterization of Snøhvit Field, Norwegian Barents Sea |
title_fullStr |
Reservoir Characterization of Snøhvit Field, Norwegian Barents Sea |
title_full_unstemmed |
Reservoir Characterization of Snøhvit Field, Norwegian Barents Sea |
title_sort |
reservoir characterization of snøhvit field, norwegian barents sea |
publishDate |
2013 |
url |
http://hdl.handle.net/10852/37969 http://urn.nb.no/URN:NBN:no-40267 |
long_lat |
ENVELOPE(15.675,15.675,69.134,69.134) ENVELOPE(15.124,15.124,69.019,69.019) ENVELOPE(23.416,23.416,70.987,70.987) |
geographic |
Barents Sea Nordmela Stø Tubåen |
geographic_facet |
Barents Sea Nordmela Stø Tubåen |
genre |
Barents Sea Snøhvit |
genre_facet |
Barents Sea Snøhvit |
op_relation |
http://urn.nb.no/URN:NBN:no-40267 Gao, Yuefeng. Reservoir Characterization of Snøhvit Field, Norwegian Barents Sea. Masteroppgave, University of Oslo, 2013 http://hdl.handle.net/10852/37969 info:ofi/fmt:kev:mtx:ctx&ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&rft.au=Gao, Yuefeng&rft.title=Reservoir Characterization of Snøhvit Field, Norwegian Barents Sea&rft.inst=University of Oslo&rft.date=2013&rft.degree=Masteroppgave URN:NBN:no-40267 182130 Fulltext https://www.duo.uio.no/bitstream/handle/10852/37969/1/MasterxxThesisx-xGaoxYuefeng.pdf |
_version_ |
1766370088182611968 |