Geological Delineation Using Shifted Seismic Attributes

Details of geological information might be extracted from seismic data using seismic attributes which illustrate the specific characteristic of the data. Seismic attributes and visualizing techniques have been applied to seismic interpretation workflows. As the objectives, thin channels and fans are...

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Main Authors: Gritsadapong Leaungvongpaisan, Pisanu Wongpornchai
Format: บทความวารสาร
Language:English
Published: Science Faculty of Chiang Mai University 2019
Online Access:http://it.science.cmu.ac.th/ejournal/dl.php?journal_id=8995
http://cmuir.cmu.ac.th/jspui/handle/6653943832/64101
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Institution: Chiang Mai University
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spelling th-cmuir.6653943832-641012019-05-07T09:59:47Z Geological Delineation Using Shifted Seismic Attributes Gritsadapong Leaungvongpaisan Pisanu Wongpornchai Details of geological information might be extracted from seismic data using seismic attributes which illustrate the specific characteristic of the data. Seismic attributes and visualizing techniques have been applied to seismic interpretation workflows. As the objectives, thin channels and fans are captured in the 3D offshore Parihaka and 3D onshore Stratton seismic surveys. The original seismic data are shifted upward and downward using the macro script before mixing together by the Red Green Blue (RGB) blending technique. In Parihaka survey, the architecture of channels, such as point bars and thin channels inside the fan could be highlighted at the time slice of 970 ms, 1120 ms and 1200 ms. In Stratton survey, the channel trend at 1586 ms could be delineated. The well data are confirmed the result from the shifted seismic attribute with the RGB blending technique for the channel detection. The result of spectral decomposition for both Parihaka and Stratton are compared to the RGB blending of shifted attributes. The similar channel trend and fan system could be identified from the RGB blending of spectral decompositions for both datasets, as they could be observed from the RGB blending of shifted attributes. The benefits of this study are to improve the confidence and accuracy of seismic interpretation and geological understanding. The understanding of thin bed connectivity could be useful in the reserve calculation and the economic analysis for hydrocarbon exploration and production. 2019-05-07T09:59:47Z 2019-05-07T09:59:47Z 2018 บทความวารสาร 0125-2526 http://it.science.cmu.ac.th/ejournal/dl.php?journal_id=8995 http://cmuir.cmu.ac.th/jspui/handle/6653943832/64101 Eng Science Faculty of Chiang Mai University
institution Chiang Mai University
building Chiang Mai University Library
country Thailand
collection CMU Intellectual Repository
language English
description Details of geological information might be extracted from seismic data using seismic attributes which illustrate the specific characteristic of the data. Seismic attributes and visualizing techniques have been applied to seismic interpretation workflows. As the objectives, thin channels and fans are captured in the 3D offshore Parihaka and 3D onshore Stratton seismic surveys. The original seismic data are shifted upward and downward using the macro script before mixing together by the Red Green Blue (RGB) blending technique. In Parihaka survey, the architecture of channels, such as point bars and thin channels inside the fan could be highlighted at the time slice of 970 ms, 1120 ms and 1200 ms. In Stratton survey, the channel trend at 1586 ms could be delineated. The well data are confirmed the result from the shifted seismic attribute with the RGB blending technique for the channel detection. The result of spectral decomposition for both Parihaka and Stratton are compared to the RGB blending of shifted attributes. The similar channel trend and fan system could be identified from the RGB blending of spectral decompositions for both datasets, as they could be observed from the RGB blending of shifted attributes. The benefits of this study are to improve the confidence and accuracy of seismic interpretation and geological understanding. The understanding of thin bed connectivity could be useful in the reserve calculation and the economic analysis for hydrocarbon exploration and production.
format บทความวารสาร
author Gritsadapong Leaungvongpaisan
Pisanu Wongpornchai
spellingShingle Gritsadapong Leaungvongpaisan
Pisanu Wongpornchai
Geological Delineation Using Shifted Seismic Attributes
author_facet Gritsadapong Leaungvongpaisan
Pisanu Wongpornchai
author_sort Gritsadapong Leaungvongpaisan
title Geological Delineation Using Shifted Seismic Attributes
title_short Geological Delineation Using Shifted Seismic Attributes
title_full Geological Delineation Using Shifted Seismic Attributes
title_fullStr Geological Delineation Using Shifted Seismic Attributes
title_full_unstemmed Geological Delineation Using Shifted Seismic Attributes
title_sort geological delineation using shifted seismic attributes
publisher Science Faculty of Chiang Mai University
publishDate 2019
url http://it.science.cmu.ac.th/ejournal/dl.php?journal_id=8995
http://cmuir.cmu.ac.th/jspui/handle/6653943832/64101
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