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Welcome to the new Datapages Archives

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The AAPG/Datapages Combined Publications Database

Showing 467 Results. Searched 189,607 documents.

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Amplitude and Bandwidth Recovery Beneath Gas Zones Using Kirchhoff Prestack Depth Q-Migration

Jonathan Liu, Peter Traynin, J. M. Reilly

Indonesian Petroleum Association

... of Kirchhoff migration in a viscoacoustic medium, we have discovered a way to compute the integral with frequency-domain convolution. Our methodology employs...

2007

Abstract: Constrained 3D VTI Full Waveform Inversion of Wide Azimuth Data from the Red Sea, Saudi Arabia; #90254 (2016)

Young Seo Kim, Constantine Tsingas

Search and Discovery.com

... for parameter estimation and updating were calculated in the frequency domain. The source wavelet was estimated by using l2-norm between frequency-domain modeled...

2016

Abstract: Derivation of Seismic Depth Sections

H. Buchholtz, W. Houba

Geological Society of Malaysia (GSM)

... eZements. The procedure is usuaZZy performed in the time or frequency domain. The transformation to the depth dOmain requires the reZiabZe knowZedge...

1985

Frequency-Domain Waveform Tomography in the Foothills: Velocity Model Estimation with Synthetic Long-Offset Data

Search and Discovery.com

...Frequency-Domain Waveform Tomography in the Foothills: Velocity Model Estimation with Synthetic Long-Offset Data Frequency-Domain Waveform...

2013

Abstract: Designing Wavefield Extrapolators using a Weighted Least-Squares with a Transition Band Approach; #90211 (2015)

Saleh Al-Saleh, John Bancroft, Gary Margrave

Search and Discovery.com

... lassified into three major cate gories: unweighted least squ ares followed by a windowing function applied in space-frequency domain, weighted least squares...

2015

Abstract: Exploiting a Priori Model Reduction Methods to Accelerate Seismic Simulations; #90255 (2017)

David Modesto, Josep De La Puente

Search and Discovery.com

... 2D problem in frequency domain is used to exemplify the potential of this methodology. The strategy will be particularly useful when- ever many...

2017

Abstract: Benefit of Applying 5D Regularization and Interpolation Before Signal Processing; #90319 (2018)

Maan Al Gain

Search and Discovery.com

... spatial-temporal blocks. After temporal FFT, each frequency slice is transformed into the spatial frequency domain with an irregular Fourier...

2018

Abstract: 3D Focusing Inversion of Multi-transient EM Data in the Frequency Domain; #90171 (2013)

Guangpin Li, Johnathan Linfoot, and Bruce Hobbs

Search and Discovery.com

...Abstract: 3D Focusing Inversion of Multi-transient EM Data in the Frequency Domain; #90171 (2013) Guangpin Li, Johnathan Linfoot, and Bruce Hobbs 3D...

2013

Abstract: Wave Propagation Direction from Poynting Vector and its Application to RTM Angle Gathers; #90319 (2018)

Kwangjin Yoon, Young Seo Kim, Woodon Jeong

Search and Discovery.com

... is straightforward and it does not require the transforms to the wavenumber or frequency domain, which cause smearing effects in the angle gathers. We...

2018

Abstract: Macro-velocity Model Building in a Laplace-domain Waveform Inversion; #90174 (2014)

Changsoo Shin and Wansoo Ha

Search and Discovery.com

... in the time and frequency domains, Laplace-domain inversion results of real marine data are macrovelocity models, due to the smooth gradient direction...

2014

High-Resolution Anisotropic Earth Model Building on Conventional Seismic Data Using Full-Waveform Inversion: an Offshore Australia Case Study

Bee Jik Lim, Denes Vigh, Stephen Alwon, Saeeda Hydal, Martin Bayly, Chris Manuel, Dimitri Chagalov, Gary Hampson, Dimitri Bevc

Indonesian Petroleum Association

... be implemented in the frequency domain (Pratt et al. 1998; Pratt 1999; Ben-Hadjali et al. 2008). In the frequency domain implementation, only specific single...

2014

Abstracts: Full Waveform Inversion with Total Variation Regularization; #90173 (2015)

Amsalu Y. Anagaw, Mauricio D. Sacchi

Search and Discovery.com

... of the model parameters. Full waveform inversion is carried out using the L-BFGS method in the frequency domain by selecting a limited number of frequencies...

2015

Abstract: Time-Reversal Extrapolation for Microseismic Event Localization; #90224 (2015)

Zhenhua Li and Mirko van der Baan

Search and Discovery.com

... theorem by time-reversing the wavefield of one state, to get (2) where conjugate in frequency domain represents time reversal in time domain...

2015

Color Blending on Spectral Decomposition Method for Delineating Geological Features

Garda Erlangga, Kahvi Afafa, Sudarmaji

Indonesian Petroleum Association

... is a hydrocarbon reservoir. Then, a spectral decomposition was applied to the horizon slice to transform it from time domain into frequency domain. The last...

2013

Seismic Migration Interpolation using Time-Shift Imaging Condition

Mark Ng

Search and Discovery.com

... propagating receiver data wavefield and the downward propagating source wavefield (Kelly and Ren, 2003). Its frequency domain expression is R ( x, z1 , w) U...

Unknown

Seismic Migration Interpolation using Time-Shift Imaging Condition

Mark Ng

Search and Discovery.com

... propagating receiver data wavefield and the downward propagating source wavefield (Kelly and Ren, 2003). Its frequency domain expression is R ( x, z1 , w) U...

Unknown

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