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  Localization of Seismic Events by Diffraction Stacking - Applications

Anikiev, D., Kashtan, B. M., Gajewski, D. J. (2008): Localization of Seismic Events by Diffraction Stacking - Applications - Conference Proceedings, 3rd EAGE St.Petersburg International Conference and Exhibition on Geosciences - Geosciences: From New Ideas to New Discoveries (Saint Petersburg, Russia 2008).
https://doi.org/10.3997/2214-4609.20146798

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Item Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5012733 Version Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5012733_2
Genre: Conference Paper

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 Creators:
Anikiev, D.1, Author              
Kashtan, B. M.2, Author
Gajewski, D. J.2, Author
Affiliations:
10 Pre-GFZ, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum, ou_146023              
2External Organizations, ou_persistent22              

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 Abstract: The localization of seismic events in space and time has great importance for hydro fracturing and reservoir monitoring. A new passive seismic localization technique by diffraction stacking has been introduced recently. Method has many advantages due to a performance by a modified diffraction stack of the squared amplitudes of the input seismograms resulting in the image section. The source location is obtained from the maximum of the image section. The source time is determined after source location in space. Energy is stacked during the procedure hence very weak events against the background noise could be located. Numerical 2-D tests with high-level synthetic noise give visual confirmation. Another numerical example representing the scattering overburden over homogeneous medium provides great possibilities in application to the real data which is major issue to be solved. In case of badly known velocity model additional stacking over velocity range can improve the result.

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 Dates: 2008
 Publication Status: Finally published
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 Identifiers: DOI: 10.3997/2214-4609.20146798
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Title: 3rd EAGE St.Petersburg International Conference and Exhibition on Geosciences - Geosciences: From New Ideas to New Discoveries
Place of Event: Saint Petersburg, Russia
Start-/End Date: 2008

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Title: Conference Proceedings
Source Genre: Proceedings
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