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The AAPG/Datapages Combined Publications Database

Showing 798 Results. Searched 200,357 documents.

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Practical considerations for computing the kernels of reflection-based full-waveform inversion

Houzhu (James) Zhang, Hong Liang, Hongwei Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

..., doi: https://doi.org/10.1190/geo2012-0327.1. Luo, Y., and G. T. Schuster, 1991, Wave-equation traveltime inversion: Geophysics, 56, no. 5, 645–653, doi...

2022

Improved subsalt imaging in Brazil Campos basin Cascaded application of hybrid interbed demultiple, P- and S-salt velocity joint migration, and subsalt converted wave suppression

Riaz Alai, Faqi Liu, Darrell Armentrout, David Brookes, Terry Johnson, Milos Cvetkovic, Gundogan Coskun, Shah Sulaiman, Kien Kok Lee, Afiq Mokhtar, Christopher Lee Slind, Hafizan Wahab, Wan Ching Low, Ali Andrea B. Hashim

International Meeting for Applied Geoscience and Energy (IMAGE)

... Abstracts, 1–5, doi: https://doi.org/10.1190/segam2012-0549.1. Jakubowicz, H., 1998, Wave equation prediction and removal of interbed multiples: 68th...

2022

Normalized energy-norm imaging condition for elastic reverse-time migration

Can Oren, Jeffrey Shragge

International Meeting for Applied Geoscience and Energy (IMAGE)

... approach. THEORY Assuming linear elasticity, we consider the anisotropic elastic wave equation with no external sources (Aki and Richards, 2002...

2022

Staggered source acquisition to improve images fidelity

Chunming Wang, Hongwei Guo, Gengxin Peng, Ying Hu, Junru Jiao, Bin Yang, Kun Xu, Grace Yan, Xianhuai Zhu

International Meeting for Applied Geoscience and Energy (IMAGE)

.... al, 2006). The typical algorithms for illumination analysis include ray-tracing and wave ray tracing equation methods. The former is computing cost...

2022

Analysis of the impact of demigration on traveltime-based reflection full-waveform inversion

Hong Liang, Houzhu (James) Zhang, Hongwei Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

... 78, no. 2, S105–S115, doi: https://doi.org/10.1190/geo2012-0327.1. Luo, Y., and G. T. Schuster, 1991, Wave-equation traveltime inversion: Geophysic...

2022

Building high-resolution models and synthetic seismic data to evaluate interpretation scenarios

Tiago Santos Cabral, Rodrigo Lopes Fernandes, Daina Popic Bendoraitis, Josair Estrela Gonalves Junior, Luiz Alberto Santos

International Meeting for Applied Geoscience and Energy (IMAGE)

... improves over time, modeling techniques that can handle those complex situations, like finite-difference (FD) modeling with the full wave equation (pioneered...

2022

Deep learning Laplace-Fourier full-waveform inversion with virtual supershot gathers

Lei Fu, Daniele Colombo, Weichang Li, Ernesto Sandoval-Curiel, Ersan Turkoglu

International Meeting for Applied Geoscience and Energy (IMAGE)

... constant density acoustic wave equation in the time domain is given by [∇2 − 1 𝜕2 𝑐(𝒙)2 𝜕𝑡 2 ] 𝑝(𝒙, 𝑡) = 𝑓(𝒙, 𝑡) (1) where...

2022

Single Buoy Mooring Systems: Anchoring Selection and Construction Considerstions

P. M. Reed, T. T. Tjen

Indonesian Petroleum Association

..., water depth, pile geometry and design loads. The wave equation is one technique which assists the contractor in making a selection. Figure 17 shows how...

1983

Extremely weak supervision inversion of multiphysical properties

Shihang Feng, Peng Jin, Xitong Zhang, Yinpeng Chen, David Alumbaugh, Michael Commer, Youzuo Lin

International Meeting for Applied Geoscience and Energy (IMAGE)

.../10.1190/INT-2016-0212.1. Feng, S., and G. T. Schuster, 2019, Transmission+ reflection anisotropic wave-equation traveltime and waveform inversion: Geophysical...

2022

Direct monitoring of fluid saturation using time-lapse full-waveform inversion

Amir Mardan, Bernard Giroux, Gabriel Fabien-Ouellet, Mohammad Reza Saberi

International Meeting for Applied Geoscience and Energy (IMAGE)

...). The choice of density and Lam´ parameters (l and e µ) is the easiest option as they appear in the wave equation, however the wave equation can...

2022

A finite-element method to compute the seismic response in non-isothermal poroelastic media

Juan E. Santos, Gabriela B. Savioli, Jos M. Carcione, Jing Ba

International Meeting for Applied Geoscience and Energy (IMAGE)

... based on the non-isothermal wave equation, which includes the temperature field other than those of stress and deformation. The model, which combines...

2022

Mitigating elastic effects of acoustic full-waveform inversion with deep learning and application to field data

Dimitri Voytan, Adriano Gomes, Debanjan Datta, Ren-douard Plessix, Anu Chandran, Ken Matson

International Meeting for Applied Geoscience and Energy (IMAGE)

... to the acoustic wave equation that accounts for some elastic effects. Agudo et al. (2018) proposed a data domain correction of elastic shot gathers to acoustic...

2022

The Application of 2D Common-Offset Common-Reflection-Surface (CO CRS) Stack Method Towards Synthetic Data

Parapaty Halley, Rachmat Sule, Teuku Abdullah Sanny

Indonesian Petroleum Association

.... The synthetic data is produced from Finite Difference Modeling that solves the acoustic wave equation for an undulated subsurface model. THE CO CRS...

2009

Modeling-based amplitude recovery (MBAR)

Yonghe Sun, Zhemin Tan, Jeff Nealon, James Davenport, Mark Fan, Yuli Zhang, Brian Church

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Freeman and Co. Askim, O. J., U. Albertin, K. Matson, and M. Gherasim, 2010, Wave-equation-based illumination determination for amplitude versus angle...

2022

Sensitivity analysis of acoustic waveform inversion to velocity anomalies in the near-surface using the Frchet derivative

Ao Cai, Colin A. Zelt

International Meeting for Applied Geoscience and Energy (IMAGE)

... wave equation is (Claerbout, 1985) 1 𝑣𝑣 2 (𝒙𝒙) 𝜕𝜕 2 𝑝𝑝(𝒙𝒙,𝑡𝑡;𝒙𝒙 𝑠𝑠 ) 𝜕𝜕𝑡𝑡 2...

2022

A recipe for practical iterative LSRTM with synthetic and real data examples from Brazil

Valeriy Brytik, Gopal Palacharla, Rishi Bansal, Diwi Snyder, Xu Li, Young Ho Cha, Partha Routh, Inma Dura-Gomez, Dmitriy Pavlov, Carey Marcinkovich

International Meeting for Applied Geoscience and Energy (IMAGE)

... into the model domain. The mapping between image and data space is usually achieved via computationally expensive wave-equation based methods...

2022

Orphan Basin, Canada: From Regional Prospect Screening to Reliable Reservoir Attributes Estimation

Scott Opdyke, Cyrille Reiser, Tiago Alcantara, Elena Polyaeva, PGS

GEO ExPro Magazine

... one-way wave equation migration. (b) LSM delivers a higher to develop a more detailed local subsurface resolution image with significantly improved...

2020

Practical solutions for reflection-driven FWI and application to Gulf of Mexico datasets

Max Liu, Ren-douard Plessix, Yi Yang, Jeffrey Vander Hurst, Na Shan, Rob Schelstrate, Colin Perkins, Vanessa Goh

International Meeting for Applied Geoscience and Energy (IMAGE)

... acoustic isotropic wave equation for illustration: 𝜔2 1 − 2 − 𝛻 ∙ 𝛻𝑢 = 𝑓 (3) 𝜌 𝑉𝑝 𝜌 where 𝑉𝑝 represents the P-wave velocity model...

2022

Forward modeling for arbitrary irregular free-surface based on body-fitted grid

Erxiang Wei, Jianping Huang, Zhenchun Li

International Meeting for Applied Geoscience and Energy (IMAGE)

... with a body-fitted grid. However, as the wave field variables in this equation no longer satisfy the staggering property, the use of a standard...

2023

GeoStreamer X Delivers Near-Field Multi-Azimuth Dataset for Accurate Lead Characterisation, South Viking Graben, Norway

Cyrille Reiser, Eric Mueller, PGS

GEO ExPro Magazine

... summarised below: • Comprehensive demultiple sequence addressing the short and long period multiples integrating 3D convolutional and wave equation...

2021

Can tile low-rank compression live up to expectations? An application to 3D multidimensional deconvolution

Yuxi Hong, Matteo Ravasi, Hatem Ltaief, David Keyes

International Meeting for Applied Geoscience and Energy (IMAGE)

..., Hatem Ltaief, David Keyes, KAUST SUMMARY Wave-equation-based seismic processing algorithms have been developed over the years with the aim of handling...

2023

Angle-constrained VSP least-squares reverse-time migration based on a high-efficiency stabilized Poynting vector

Xuan Ke, Mauricio Sacchi, Ying Shi

International Meeting for Applied Geoscience and Energy (IMAGE)

... be considered a special form of equation (3). To demonstrate this, we utilize a plane-wave solution of the acoustic wave equation: ̂∙𝐱 𝐧 ̃(𝐱, 𝑡) = 𝐴c...

2023

Acoustic approximation VTI reverse-time migration using pseudo-depth mapping method

Xinwen Zhang, Jianping Huang, Zhenchun Li

International Meeting for Applied Geoscience and Energy (IMAGE)

...), we derive the wave equation of VTI medium in Pseudo-Depth domain method. Theory The review of RTM theory The core of RTM is time consistency...

2023

The modeling and simulation of Scholte wave propagation at fluid-solid interface

Zhiliang Wang, Rong Huang, Guojie Song

International Meeting for Applied Geoscience and Energy (IMAGE)

... provide a system of displacement equations characterizing the Scholte wave propagation, in which the displacement equation for acoustic wave...

2023

Joint data and physics model driven full-waveform inversion using CMP gathers and well-logging data

Shuliang Wu, Jianhua Geng

International Meeting for Applied Geoscience and Energy (IMAGE)

... velocity analysis, which are often not accurate enough. Full waveform inversion (FWI) uses wave equation to simulate wave phenomena, and get an accurate...

2023

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