Technical Library

Seismic Data, Processing, Technology, Well Data Reports and Industry and Trade Publication Features, from the Experts at TGS

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Enhanced prestack depth imaging of wide-azimuth data

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October 1, 2011
Author: Xuening Ma, Bin Wang, Cristina Reta-Tang, Wilfred Whiteside, and Zhiming Li
Filed Under: Geophysics
We present a case study of enhanced imaging of wideazimuth data from the Gulf of Mexico utilizing recent technologies; and we discuss the resulting.

Postmigration multiple prediction and removal in the depth domain

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October 1, 2011
Author: Bin Wang, Jun Cai, Manhong Guo, Chuck Mason, Sampath Gajawada, and Duryodhan Epili
Filed Under: Geophysics
We have developed a new methodology for predicting and removing multiples in the postmigration depth domain based on wavefield extrapolation and.

Fast 3D target-oriented reverse-time datuming

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December 1, 2009
Author: Shuqian Dong, Yi Luo, Xiang Xiao , Sergio Chávez-Pérez , and Gerard T. Schuster
Filed Under: Geophysics
Imaging of subsalt sediments is a challenge for traditional migration methods such as Kirchhoff and one-way waveequation migration. Consequently, the more.

Subsalt velocity update and composite imaging using reverse-time-migration based delayed-imaging-time scan

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December 1, 2009
Author: Bin Wang, Chuck Mason, Manhong Guo, Huimin Guan, Kwangjin Yoon, and Zhiming Li
Filed Under: Geophysics
Subsalt wave-equation based migration (WEM) scan is an effective way for subsalt velocity updating, and has become an industry standard practice; however,.