Angle-domain common-image gathers from anisotropic Gaussian beam migration and its application to anisotropy-induced imaging errors analysis
An approach for extracting angle-domain common-image gathers (ADCIGs) from anisotropic Gaussian beam prestack depth migration (GB-PSDM) is presented in this paper. The propagation angle is calculated in the process of migration using the real-value traveltime information of Gaussian beam. Based on t...
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| Veröffentlicht in: | Journal of Earth System Science 2017-02, Vol.126 (1), p.10, Article 10 |
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| creator | HAN, JIANGUANG WANG, YUN YU, CHANGQING CHEN, PENG |
| description | An approach for extracting angle-domain common-image gathers (ADCIGs) from anisotropic Gaussian beam prestack depth migration (GB-PSDM) is presented in this paper. The propagation angle is calculated in the process of migration using the real-value traveltime information of Gaussian beam. Based on the above, we further investigate the effects of anisotropy on GB-PSDM, where the corresponding ADCIGs are extracted to assess the quality of migration images. The test results of the VTI syncline model and the TTI thrust sheet model show that anisotropic parameters
ε
,
δ
, and tilt angle
θ
, have a great influence on the accuracy of the migrated image in anisotropic media, and ignoring any one of them will cause obvious imaging errors. The anisotropic GB-PSDM with the true anisotropic parameters can obtain more accurate seismic images of subsurface structures in anisotropic media. |
| doi_str_mv | 10.1007/s12040-016-0783-x |
| format | Article |
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ε
,
δ
, and tilt angle
θ
, have a great influence on the accuracy of the migrated image in anisotropic media, and ignoring any one of them will cause obvious imaging errors. The anisotropic GB-PSDM with the true anisotropic parameters can obtain more accurate seismic images of subsurface structures in anisotropic media.</description><identifier>ISSN: 0253-4126</identifier><identifier>EISSN: 0973-774X</identifier><identifier>DOI: 10.1007/s12040-016-0783-x</identifier><language>eng</language><publisher>New Delhi: Springer India</publisher><subject>Anisotropic media ; Anisotropy ; Earth and Environmental Science ; Earth Sciences ; Errors ; Gaussian beams (optics) ; Image quality ; Imaging techniques ; Mathematical models ; Numerical analysis ; Parameters ; Quality assessment ; Scientific imaging ; Seismology ; Sheet modelling ; Space Exploration and Astronautics ; Space Sciences (including Extraterrestrial Physics ; Synclines ; Travel time</subject><ispartof>Journal of Earth System Science, 2017-02, Vol.126 (1), p.10, Article 10</ispartof><rights>Indian Academy of Sciences 2017</rights><rights>Indian Academy of Sciences 2017.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a382t-de13ccc5390ff73b9746d4994f04be80d8a4a55f0f722589853c88df1d40879a3</citedby><cites>FETCH-LOGICAL-a382t-de13ccc5390ff73b9746d4994f04be80d8a4a55f0f722589853c88df1d40879a3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s12040-016-0783-x$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s12040-016-0783-x$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>HAN, JIANGUANG</creatorcontrib><creatorcontrib>WANG, YUN</creatorcontrib><creatorcontrib>YU, CHANGQING</creatorcontrib><creatorcontrib>CHEN, PENG</creatorcontrib><title>Angle-domain common-image gathers from anisotropic Gaussian beam migration and its application to anisotropy-induced imaging errors analysis</title><title>Journal of Earth System Science</title><addtitle>J Earth Syst Sci</addtitle><description>An approach for extracting angle-domain common-image gathers (ADCIGs) from anisotropic Gaussian beam prestack depth migration (GB-PSDM) is presented in this paper. The propagation angle is calculated in the process of migration using the real-value traveltime information of Gaussian beam. Based on the above, we further investigate the effects of anisotropy on GB-PSDM, where the corresponding ADCIGs are extracted to assess the quality of migration images. The test results of the VTI syncline model and the TTI thrust sheet model show that anisotropic parameters
ε
,
δ
, and tilt angle
θ
, have a great influence on the accuracy of the migrated image in anisotropic media, and ignoring any one of them will cause obvious imaging errors. The anisotropic GB-PSDM with the true anisotropic parameters can obtain more accurate seismic images of subsurface structures in anisotropic media.</description><subject>Anisotropic media</subject><subject>Anisotropy</subject><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Errors</subject><subject>Gaussian beams (optics)</subject><subject>Image quality</subject><subject>Imaging techniques</subject><subject>Mathematical models</subject><subject>Numerical analysis</subject><subject>Parameters</subject><subject>Quality assessment</subject><subject>Scientific imaging</subject><subject>Seismology</subject><subject>Sheet modelling</subject><subject>Space Exploration and Astronautics</subject><subject>Space Sciences (including Extraterrestrial Physics</subject><subject>Synclines</subject><subject>Travel time</subject><issn>0253-4126</issn><issn>0973-774X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp1kMFKxDAQhosouK4-gLeA52jSpE1yXBZdBcGLgreQTZOapU1q0sLuO_jQZqmgF08zDN8_889fFNcY3WKE2F3CJaIIIlxDxDiB-5NigQQjkDH6fpr7siKQ4rI-Ly5S2iFEas7Eovha-bYzsAm9ch7o0PfBQ9er1oBWjR8mJmBj6IHyLoUxhsFpsFFTSk55sDWqB71roxpd8JlpgBsTUMPQOT3PxvArPUDnm0mbTOUDzrfAxBjyBeVVd0guXRZnVnXJXP3UZfH2cP-6foTPL5un9eoZKsLLETYGE611RQSylpGtYLRuqBDUIro1HDVcUVVVFllWlhUXvCKa88bihqL8tCLL4mbeO8TwOZk0yl2YYjaRJOZ1VVIumMgUnikdQ0rRWDnEbDweJEbyGLqcQ5c5dHkMXe6zppw1KbO-NfHP5n9F3_6hiJI</recordid><startdate>20170201</startdate><enddate>20170201</enddate><creator>HAN, JIANGUANG</creator><creator>WANG, YUN</creator><creator>YU, CHANGQING</creator><creator>CHEN, PENG</creator><general>Springer India</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7TG</scope><scope>7UA</scope><scope>7XB</scope><scope>88I</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>GNUQQ</scope><scope>H96</scope><scope>HCIFZ</scope><scope>KL.</scope><scope>L.G</scope><scope>M2P</scope><scope>PATMY</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PYCSY</scope><scope>Q9U</scope></search><sort><creationdate>20170201</creationdate><title>Angle-domain common-image gathers from anisotropic Gaussian beam migration and its application to anisotropy-induced imaging errors analysis</title><author>HAN, JIANGUANG ; 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The propagation angle is calculated in the process of migration using the real-value traveltime information of Gaussian beam. Based on the above, we further investigate the effects of anisotropy on GB-PSDM, where the corresponding ADCIGs are extracted to assess the quality of migration images. The test results of the VTI syncline model and the TTI thrust sheet model show that anisotropic parameters
ε
,
δ
, and tilt angle
θ
, have a great influence on the accuracy of the migrated image in anisotropic media, and ignoring any one of them will cause obvious imaging errors. The anisotropic GB-PSDM with the true anisotropic parameters can obtain more accurate seismic images of subsurface structures in anisotropic media.</abstract><cop>New Delhi</cop><pub>Springer India</pub><doi>10.1007/s12040-016-0783-x</doi><oa>free_for_read</oa></addata></record> |
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| subjects | Anisotropic media Anisotropy Earth and Environmental Science Earth Sciences Errors Gaussian beams (optics) Image quality Imaging techniques Mathematical models Numerical analysis Parameters Quality assessment Scientific imaging Seismology Sheet modelling Space Exploration and Astronautics Space Sciences (including Extraterrestrial Physics Synclines Travel time |
| title | Angle-domain common-image gathers from anisotropic Gaussian beam migration and its application to anisotropy-induced imaging errors analysis |
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