A new multi scale signed direct envelope inversion with more accurate amplitude polarity information

Luo, Jingrui; Chen, Guoxin; Wu, Ru Shan; Wang, Lu

doi:10.1007/s11600-020-00476-3

Artykuł - szczegóły

Tytuł artykułu

A new multi scale signed direct envelope inversion with more accurate amplitude polarity information

Autorzy

Luo Jingrui , Chen Guoxin , Wu Ru Shan , Wang Lu

Wybrane pełne teksty z tego czasopisma

https://www.springer.com/journal/11600

Identyfikatory

DOI

10.1007/s11600-020-00476-3

Warianty tytułu

Języki publikacji

Abstrakty

Subsurface parameter reconstruction using full waveform inversion is highly nonlinear with nonunique solutions. When the initial model with high precision is missing, the cycle skipping problem will be encountered, especially for the strong scattering media like salt structures. In order to adapt to the inversion of strong scattering media, direct envelope inversion (DEI) using directly the envelope Fréchet derivatives was proposed to avoid the weakly nonlinear assumption for the model updating. In the original DEI method, the envelope polarity is not considered. To further improve the efectiveness of DEI, signed envelope inversion with polarity detection can be used. In this work, we develop a new polarity detection technique on the basis of seismic attributes, which can provide more accurate polarity information for the seismic envelope. Based on the above technique, the new multi-scale signed DEI method is proposed. The new technique is applied to the SEG/EAGE salt model. The numerical examples verifed the efectiveness of this method.

Słowa kluczowe

polarity seismic attributes direct envelope inversion

biegunowość atrybuty sejsmiczne

Wydawca

Instytut Geofizyki PAN
Springer

Czasopismo

Acta Geophysica

Rocznik

2020

Tom

Vol. 68, no. 5

Strony

1361--1371

Opis fizyczny

Bibliogr. 43 poz.

Twórcy

autor

Luo Jingrui

bluebirdjr@126.com

School of Automation and Information Engineering, Xi’an University of Technology, Xi’an 710048, China

autor

Chen Guoxin

0618181@zju.edu.cn

Ocean College, Zhejiang University, Zhoushan 316021, China

autor

Wu Ru Shan

rwu@ucsc.edu

IGPP, University of California, Santa Cruz, CA 95064, USA

autor

Wang Lu

School of Automation and Information Engineering, Xi’an University of Technology, Xi’an 710048, China

Bibliografia

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Typ dokumentu

Bibliografia

Identyfikator YADDA

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