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Multiple Suppression From 2 D Shallow Marine Seismic Reflection Data Using Filtering And Deconvolution Approaches

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Multiple Suppression From 2 D Shallow Marine Seismic Reflection Data Using Filtering And Deconvolution Approaches

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Author :
language : en
Publisher:
Release Date : 2017

Multiple Suppression From 2 D Shallow Marine Seismic Reflection Data Using Filtering And Deconvolution Approaches written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with categories.

Abstract : A primary objective of the seismic data processing workflow is to improve the signal to noise ratio. A seismic record has many types of noise besides primary reflections which convey the vital information. A non-negligible part of these noises is multiple reflections causing difficulties and misunderstandings. This work examines filtering techniques with different methods and deconvolution technique in an effort to attenuate multiples on a 2D line of marine data from southwest of the Taiwan and compares of their results. Prior to evaluating methods for attenuating multiples, basic seismic processing was applied to the data. This consisted of the following: zeroing bad traces, applying a spherical divergence correction, and band-pass filtering. The data were then sorted into common-mid-point (CMP) gathers. These CMP gathers were analyzed, and stacking velocities were determined so that Normal Move-out (NMO) processing and stacking can be applied. Following this basic processing, two methods of multiple suppression were applied separately and evaluated: 1) filtering; 2) deconvolution. The filtering methods included stacking, frequency(f)-wavenumber(k) filtering and the Radon Transform methods were applied in an effort to separate multiples and primaries. Deconvolution was also utilized. Finally, the results of these approaches were discussed and compared with the goal of obtaining reasonable results. For this data set, it appears that the Radon Transform attenuates the long-period multiples better than the other approaches. Applying deconvolution on Radon-filtered data also shows better results. Stacked and migrated section of the data was considered as the final image.

Journal

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Author : Canadian Society of Exploration Geophysicists
language : en
Publisher:
Release Date : 1990

Journal written by Canadian Society of Exploration Geophysicists and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Prospecting categories.

Cumulative Index Geophysics Journal Of The Society Of Exploration Geophysicists 1936 1988 Inclusive Early Geophysical Papers Geophysics The Leading Edge Of Exploration Selected Papers 1982 88 Inclusive

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Author : William J. Zwart
language : en
Publisher:
Release Date : 1990

Cumulative Index Geophysics Journal Of The Society Of Exploration Geophysicists 1936 1988 Inclusive Early Geophysical Papers Geophysics The Leading Edge Of Exploration Selected Papers 1982 88 Inclusive written by William J. Zwart and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Geophysics categories.

Petroleum Abstracts

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Author :
language : en
Publisher:
Release Date : 1997

Petroleum Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Petroleum categories.

Otc 20 Year Index 1969 1988

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Author :
language : en
Publisher:
Release Date : 1988

Otc 20 Year Index 1969 1988 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Ocean engineering categories.

Geophysics Tectonics Abstracts

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Author :
language : en
Publisher:
Release Date : 1985

Geophysics Tectonics Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Geology, Structural categories.

Multiple Attenuation

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Author : Arthur B. Weglein
language : en
Publisher: SEG Books
Release Date : 2005

Multiple Attenuation written by Arthur B. Weglein and has been published by SEG Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Science categories.

In this volume, the opening chapter has papers of historical interest, and the volume ends with a speculative chapter about multiples used as signal. In between are seven chapters that cover unique aspects of multiple-attenuation technology, including deconvolution, moveout discrimination, data-driven prediction, practical issues, tutorials and case histories.