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The AAPG/Datapages Combined Publications Database
Showing 791 Results. Searched 198,814 documents.
GPU-based 3D anisotropic elastic modeling using mimetic finite differences
Harpreet Singh, Jeffrey Shragge, Ilya Tsvankin, Fatmir Hoxha
International Meeting for Applied Geoscience and Energy (IMAGE)
...) algorithms designed to solve the acoustic wave equation. Nakata et al. (2011) present the solutions of the 3D isotropic elastic wave equation on multiple GPUs...
2022
Fast Gauss-Newton full-wavefield migration
Siamak Abolhassani, Eric Verschuur
International Meeting for Applied Geoscience and Energy (IMAGE)
...* and Eric Verschuur, Delft University of Technology SUMMARY Since the appearance of wave-equation migration, many have tried to push this technology...
2022
On the connection between WRI and FWI: Analysis of the nonlinear term in the Hessian matrix
Ali Gholami, Hossein S. Aghamiry, Stephane Operto
International Meeting for Applied Geoscience and Energy (IMAGE)
... reconstruction inversion (WRI) (van Leeuwen and Herrmann, 2013) increases the robustness by relaxing the waveequation constraint. This wave-equation...
2022
PS-wave seismic data: A game changer in exploration and monitoring
Ali Tura, James Simmons, Sima Daneshvar, Matthew Copley, Joseph Stitt
International Meeting for Applied Geoscience and Energy (IMAGE)
..., a wave-equation based AVO application was also shown by Dhelie et al. (2021) to be an established geophysical tool to extract elastic subsurface...
2022
Seismic Foldout: Revealing a Promising New Play Concept in the Salar Basin, Offshore Canada
Yermek Balabekov, Susana Tierrablanca, Sriram Arasanipalai, Nizar Chemingui, PGS
GEO ExPro Magazine
... RELIABLE EARTH PROPERTIES Using a wave equation parameterised in terms of velocity and reflectivity removes the need for a density assumption...
2023
De-risking Gas Saturation
Said Amiri Besheli, Panos Doulgeris
GEO ExPro Magazine
... in the Julimar field contracted Delft Inversion to deploy its innovative methodology called WEB-AVO – Wave Equation Based AVO Inversion. WEB-AVO METHOD WEB...
2023
ABSTRACT: TECHNIQUE OF FORECASTING COAL GAS ENRICHING SECTION
Shuangan Yang, Shunian Ning, Huixing Zhang
The Society for Organic Petrology (TSOP)
... wave equation in two-phase media based on Biot theory was studied in the article. The solve of equation shows that there are two kinds of primary...
2006
The emergence and impact of scientific machine learning in geophysical exploration
Umair bin Waheed
International Meeting for Applied Geoscience and Energy (IMAGE)
... as a forward solver for the eikonal equation and the wave equation. For example, Waheed et al. (2020) and Smith et al. (2020) showed how PINNs could be used...
2023
3D anisotropic wavefield simulation with an advanced time-space domain temporal high-order SGFD solution
Xinquan Wang, Long Wu, Yunshan Lei, Panpan Lv, Huibing Zhao, Xiaoling Guo
International Meeting for Applied Geoscience and Energy (IMAGE)
...) to solve the 3D acoustic wave equation in vertical transversely isotropic (VTI) media. The new stencil is a valid combination of several off-axial grid...
2024
The Use of Modern 3D Seismic Data Processing Techniques, 5D Interpolation, and Anisotropic PSTM to Improve Existing 3D Data in South Louisiana Data—Pulling the Scales from our Eyes; New Truth from Existing Datasets
John Asma, John Stevens, Sukhdev Hyare, Dave Spaulding
GCAGS Transactions
... of the earth in time or depth. The process reverses the wave propagation defined by the wave equation. Whether Kirchhoff or wave equation techniques are used...
2013
Forward Modeling of Seismic Data: Part 7. Geophysical Methods
George Mellman, Paul A. Kunzinger
AAPG Special Volumes
..., again with approximations, but with significant time savings. There are two classes of seismic modeling: ray tracing and wave equation methods...
1992
1.2 Seismic Stratigraphy: 1.2.2 Unconformities: High Relief Topography on the Jurassic Unconformity (Alabama)
J. R. English and J. S. Oslund
AAPG Special Volumes
... and amplitude changes in the unconformity event. Conversely, frequency balancing and wave equation migration are necessary to ensure the best possible...
1983
Abstract: Time Domain Least-squares Prestack Migration; #90172 (2014)
Ricardo C. Rebollo, Mauricio D. Sacchi
Search and Discovery.com
... migration with dip, SEG, Expanded Abstracts, 28, 2864. Kuehl H. and Sacchi M.D., 2003, Least-squares wave-equation migration for AVP/AVA inversion...
2014
Abstract: Testing the Viability of the Sharpe Hollow Cavity Model in Modelling Explosive Pressure Sources; #90187 (2014)
Christopher C. Petten and Gary F. Margrave
Search and Discovery.com
... a theoretical perspective since wave motion in this region cannot be predicted by the linear wave equation. The SHCM introduced by Joseph Sharpe in the late...
2014
Prestack Depth Migration for "Easy" Unconventional Plays?, #41056 (2012)
Morgan Brown
Search and Discovery.com
... only for imaging ‘complex’ geology. Offshore subsalt imaging drives application of the most advanced wave equation PSDM technologies, like ReverseTime...
2012
The application of phased-array vibrator system in deep seismic exploration
Minghao Yu, Xiangbo Gong, Xiaojie Wan
International Meeting for Applied Geoscience and Energy (IMAGE)
...� + e2�� +⋯+ �� �(��sin � + �) 1 sin 2 sin 2 = � sin � ��sin � + � sin 2 2 In equation, � is the number of the seismic sources; � is the wave...
2022
Mitigating cycle skipping in FWI through preconditioned multidimensional optimal transport
James McLeman, Tim Burgess, Tom Rayment, Victor Chua
International Meeting for Applied Geoscience and Energy (IMAGE)
... Shelf of Australia. Introduction FWI seeks to minimize differences between the observed data and data modelled using the wave equation with initial...
2022
Finite-difference modeling of marine vibrator sources
Khalid Almuteri, Jeffrey Shragge, Paul Sava
International Meeting for Applied Geoscience and Energy (IMAGE)
... equation. Shragge (2014) and Shragge and Tapley (2017) present a time-invariant tensorial representation of the acoustic wave equation (AWE...
2022
A nodal discontinuous Galerkin method for wave propagation in coupled fluid-solid media
Ruiqi Li, Yijie Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
... for wave propagation in coupled fluid-solid media Ruiqi Li* and Yijie Zhang, Xi’an Jiaotong University SUMMARY An accurate solution of the wave equation...
2022
Velocity model building and imaging driven by FWI with dual-azimuth data in a complex salt environment: Brazil case study
Xu Li, Christine Gans, Young Ho Cha, Diwi Snyder, Gopal Palacharla, Vijay Gottumukkula, Yaofeng He, Hongchuan Sun, Tetyana Vdovina, Xueyi Jia, Valeriy Brytik, Inmaculada Dura-Gomez
International Meeting for Applied Geoscience and Energy (IMAGE)
... azimuthal well log constrained tomography, iterative full waveform inversion (FWI) leveraging 3D mesh interpretation and wave-equation-based map...
2022
An immersed absorbing boundary condition for scalar wavefield modeling under topography
KeJi Chen, Hanming Chen, Hui Zhou
International Meeting for Applied Geoscience and Energy (IMAGE)
... at the artificial truncation boundary in wave equation numerical simulation to mimic an unbounded computational domain. When seismic waves enter ABC, they behave...
2022
High-resolution imaging using Gaussian beam point-spread-function deconvolution
Jidong Yang, Jianping Huang, Hejun Zhu, George McMechan
International Meeting for Applied Geoscience and Energy (IMAGE)
..., seismic imaging methods have evolved from ray-based Kirchhoff migration (Wiggins, 1984; Keho and Beydoun, 1988), through one-way wave equation migration...
2023
2D seismic surveys as an alternative for CO2 monitoring in the North Dakota CarbonSAFE project
César Barajas-Olalde, Donald C. Adams, Hansel Gonzalez, Mengmeng Zhang, Pablo Benitez, Ryan J. Klapperich, Wesley D. Peck, Panos Doulgeris
International Meeting for Applied Geoscience and Energy (IMAGE)
... for CO2 monitoring. 2D and 3D surveys were compared using wave equation-based amplitude-versus-offset (WEB-AVO) inversion. The encouraging WEB-AVO results...
2023
Prediction and attenuation method of surface-related multiple based on characteristic reflector
Jian Xiang, Huazhong Wang, Chengliang Wu
International Meeting for Applied Geoscience and Energy (IMAGE)
... streamers. In the case of known background velocity and subsurface reflectivity, SRMs can be predicted through wave equation modeling (Pica et al...
2024
The effects of marine currents on seismic data
Gary Hampson
International Meeting for Applied Geoscience and Energy (IMAGE)
... propagation across the water layer. One choice is to use the 1-way wave equation to depth extrapolate the time dependent wavefield through the water...
2024