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Application Of Seismic Attributes Technique To Post-stack Seismic Data For Structural Model Delineation

Normal post-stacked seismic sections sometimes hide important information. Efforts have over the years to enhance the readability of the seismic sections using seismic attributes. Various seismic attributes are currently active usage in the oil and gas industry. In the present study, post-stacked se...

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Main Author: Marjan, Syarydha Fassha
Format: Thesis
Language:English
Published: 2019
Subjects:
QC1 Physics (General)
Online Access:http://eprints.usm.my/55847/1/SYARYDHA%20FASSHA%20BINTI%20MARJAN24.pdf
http://eprints.usm.my/55847/
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spelling my.usm.eprints.55847 http://eprints.usm.my/55847/ Application Of Seismic Attributes Technique To Post-stack Seismic Data For Structural Model Delineation Marjan, Syarydha Fassha QC1 Physics (General) Normal post-stacked seismic sections sometimes hide important information. Efforts have over the years to enhance the readability of the seismic sections using seismic attributes. Various seismic attributes are currently active usage in the oil and gas industry. In the present study, post-stacked seismic attributes are used. Among the long list of such attributes, three attributes are chosen for this study are instantaneous frequency, instantaneous amplitude and instantaneous phase. The good performance for the instantaneous frequency attribute filter on post-stacked data rely on frequency bands chosen. It is noted that different rock formations have different frequencies. Hence, choosing different frequency bands can help increase the resolution on the post-stacked seismic sections. The main objectives of this study are to identify the narrow-band frequency for enhancing delineation the target formation and to analyze the reaction of sets of post-stack seismic data. To reach the objectives, the narrow-band frequency was extracted out from full-range frequency. Three types of post-stack seismic data; relative amplitude, automatic gain control and a crooked were applied selected instantaneous attributes. The result shows that reliable contrast of the high and low frequency at shallow and deeper part respectively by using relative amplitude type post-stack seismic. For automatic gain control post-stack seismic data, the frequency is in poor appearance and for a seismic crooked type post-stack seismic data, the high frequency vertical lines are obvious exposed. 2019-09 Thesis NonPeerReviewed application/pdf en http://eprints.usm.my/55847/1/SYARYDHA%20FASSHA%20BINTI%20MARJAN24.pdf Marjan, Syarydha Fassha (2019) Application Of Seismic Attributes Technique To Post-stack Seismic Data For Structural Model Delineation. Masters thesis, Universiti Sains Malaysia..
institution Universiti Sains Malaysia
building Hamzah Sendut Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Sains Malaysia
content_source USM Institutional Repository
url_provider http://eprints.usm.my/
language English
topic QC1 Physics (General)
spellingShingle QC1 Physics (General)
Marjan, Syarydha Fassha
Application Of Seismic Attributes Technique To Post-stack Seismic Data For Structural Model Delineation
description Normal post-stacked seismic sections sometimes hide important information. Efforts have over the years to enhance the readability of the seismic sections using seismic attributes. Various seismic attributes are currently active usage in the oil and gas industry. In the present study, post-stacked seismic attributes are used. Among the long list of such attributes, three attributes are chosen for this study are instantaneous frequency, instantaneous amplitude and instantaneous phase. The good performance for the instantaneous frequency attribute filter on post-stacked data rely on frequency bands chosen. It is noted that different rock formations have different frequencies. Hence, choosing different frequency bands can help increase the resolution on the post-stacked seismic sections. The main objectives of this study are to identify the narrow-band frequency for enhancing delineation the target formation and to analyze the reaction of sets of post-stack seismic data. To reach the objectives, the narrow-band frequency was extracted out from full-range frequency. Three types of post-stack seismic data; relative amplitude, automatic gain control and a crooked were applied selected instantaneous attributes. The result shows that reliable contrast of the high and low frequency at shallow and deeper part respectively by using relative amplitude type post-stack seismic. For automatic gain control post-stack seismic data, the frequency is in poor appearance and for a seismic crooked type post-stack seismic data, the high frequency vertical lines are obvious exposed.
format Thesis
author Marjan, Syarydha Fassha
author_facet Marjan, Syarydha Fassha
author_sort Marjan, Syarydha Fassha
title Application Of Seismic Attributes Technique To Post-stack Seismic Data For Structural Model Delineation
title_short Application Of Seismic Attributes Technique To Post-stack Seismic Data For Structural Model Delineation
title_full Application Of Seismic Attributes Technique To Post-stack Seismic Data For Structural Model Delineation
title_fullStr Application Of Seismic Attributes Technique To Post-stack Seismic Data For Structural Model Delineation
title_full_unstemmed Application Of Seismic Attributes Technique To Post-stack Seismic Data For Structural Model Delineation
title_sort application of seismic attributes technique to post-stack seismic data for structural model delineation
publishDate 2019
url http://eprints.usm.my/55847/1/SYARYDHA%20FASSHA%20BINTI%20MARJAN24.pdf
http://eprints.usm.my/55847/
_version_ 1751537284011786240
score 13.211869

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