Marine seismic wavefield modeling based on airgun wavelet

PreviousNext No AccessInternational Geophysical Conference, Beijing, China, 24-27 April 2018Marine seismic wavefield modeling based on airgun waveletAuthors: Kang ZhiliangYu JiashunKang ZhiliangColloge of Geophysics, Chengdu University of Technology, Chengdu City, 610059, ChinaSearch for more papers by this author and Yu JiashunColloge of Geophysics, Chengdu University of Technology, Chengdu City, 610059, ChinaSearch for more papers by this authorhttps://doi.org/10.1190/IGC2018-228 SectionsAboutPDF/ePub ToolsAdd to favoritesDownload CitationsTrack CitationsPermissions ShareFacebookTwitterLinked InRedditEmail Abstract In this paper, the finite difference method is used to simulate marine seismic wavefield. We use airgun wavelet as seismic source instead of conventional Ricker wavelet. In order to make the airgun wavelet more consistent with actual signatures, a new airgun wavelet modelis used.The wavelet generated by an airgunat 5m waterdepth is simulated. We use a new method based on interpolation in the wave number domain to obtain the finite difference coefficients fora staggered-grid algorithm. Compared with the traditional method, this method shows higher accuracy.We use OpenMP to improve computational efficiency.Finally, the wavefields of some sea models are successfully simulated. Keywords: modeling, airgun, algorithmPermalink: https://doi.org/10.1190/IGC2018-228FiguresReferencesRelatedDetails International Geophysical Conference, Beijing, China, 24-27 April 2018ISSN (online):2159-6832Copyright: 2018 Pages: 1821 publication data© 2018 Published in electronic format with permission by the Society of Exploration Geophysicists and Chinese Geophysical SocietyPublisher:Society of Exploration Geophysicists HistoryPublished Online: 11 Dec 2018 CITATION INFORMATION Kang Zhiliang and Yu Jiashun, (2018), "Marine seismic wavefield modeling based on airgun wavelet," SEG Global Meeting Abstracts : 935-938. https://doi.org/10.1190/IGC2018-228 Plain-Language Summary KeywordsmodelingairgunalgorithmPDF DownloadLoading ...