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The AAPG/Datapages Combined Publications Database
Showing 791 Results. Searched 198,814 documents.
3D or/and 3R (Reprocessing, Re-dating, Re-interpretation) strategy for exploration in mature hydrocarbon province, South Carpathian Foreland
Search and Discovery.com
N/A
Abstract: Macro-velocity Model Building in a Laplace-domain Waveform Inversion; #90174 (2014)
Changsoo Shin and Wansoo Ha
Search and Discovery.com
... smooth in real-data inversions. First, we review the Laplace-domain inversion and Cagniard deHoop’s method to solve the scalar wave equation. Then we...
2014
Demystifying Pre-Stack Depth Imaging from the Practitioner’s Point of View
Search and Discovery.com
N/A
Barents Sea: A First Look at New High Resolution 3D Multicomponent Seismic
Rune Sakariassen, Nicola O'Dowd, Sören Naumann, PGS
GEO ExPro Magazine
... library in the Barents Sea To extract more information beneath the shallow gas, and is positioned to open new arenas and de-risk future Wave Equation...
2018
Extended full-waveform inversion to improve the subsalt imaging in GOM
Guojian Shan, Jingru Chen, Zhemin Tan, John Chen, Yue Wang, Xiaoting Lou, Jennifer Zhang, William Lester
International Meeting for Applied Geoscience and Energy (IMAGE)
... waveform inversion with wave-equation migration velocity analysis: 82nd Annual International Meeting, SEG, Expanded Abstracts, 1–5, doi: https...
2024
Migration Amplitude Recovery using Curvelets
Peyman P. Moghaddam
Search and Discovery.com
..., wave-equation migration is used for evaluation of the proposed method. Introduction In mid-90s, Hart Smith[1,2] introduced elements or shapes which...
Unknown
Abstract: 3D, Anisotropic Phase Shift Operators; #90171 (2013)
Robert J. Ferguson and Gary F. Margrave
Search and Discovery.com
... model space. From the scalar wave-equation, p1, p 2, =p1 p ip2 jp3 k define a plane wave in k define the orthogonal coordinate system...
2013
Migration Amplitude Recovery using Curvelets
Peyman P. Moghaddam
Search and Discovery.com
..., wave-equation migration is used for evaluation of the proposed method. Introduction In mid-90s, Hart Smith[1,2] introduced elements or shapes which...
Unknown
Abstract: 3D, Anisotropic Phase Shift Operators; #90171 (2013)
Robert J. Ferguson and Gary F. Margrave
Search and Discovery.com
... model space. From the scalar wave-equation, p1, p 2, =p1 p ip2 jp3 k define a plane wave in k define the orthogonal coordinate system...
2013
High Performance Seismic Data Migration for High Resolution Interpretation
C. N. Chernoff
Indonesian Petroleum Association
...., 1980, Wave equation migration with the accurate space derivative method: Geophysical Prospecting, v. 28, p. 60-70. Judson, D. R., Lin, J., Schultz...
1983
Seismic Technology Evolution to Support Prospect Evaluation, Exploration Well, and Geological Appraisal
Frederic J. Billette, Yan Quist
GCAGS Transactions
... Kirchhoff to Beam/WEM (wave equation migration) then RTM (reverse time migration) imaging algorithms. Modeling also played a key role in the evolution...
2011
Robust localized adaptive waveform inversion: A new regularization for Gabor deconvolution
Peng Yong, Romain Brossier, Ludovic Mtivier
International Meeting for Applied Geoscience and Energy (IMAGE)
... between observed and calculated data is a difficult and long-standing task in exploration seismology. In the early work of wave-equation traveltime...
2022
The Geophysicists' Bane: Multiple Suppression on the North West Shelf
C. R. T. Ramsden, M. R. Hobson, R. Cooper
Petroleum Exploration Society of Australia (PESA)
... e.g., Tau-Q deconvolution and wave equation modelling. Introduction The geology of the North West Shelf includes a hard carbonate wedge that thickens...
1988
Velocity continuation with Fourier neural operators for accelerated uncertainty quantification
Ali Siahkoohi, Mathias Louboutin, Felix J. Herrmann
International Meeting for Applied Geoscience and Energy (IMAGE)
... by linearizing the nonlinear relationship between shot records and the squared-slowness model, governed by the wave-equation. In its simplest acoustic...
2022
Least-squares RTM with shifted total variation regularization for depth imaging of sparse short-offset seismic data
Toktam Zand, Andrzej Gorszczyk, Ali Gholami, Hasan Ghasemzadeh, Alison Malcolm
International Meeting for Applied Geoscience and Energy (IMAGE)
... reverse time migration (LSRTM) is a leading tool in imaging complex geological structures. This is because it includes the full-wave equation via...
2022
Deep learning velocity model building using an ensemble regression approach
Stuart Farris, Guillaume Barnier, Robert Clapp
International Meeting for Applied Geoscience and Energy (IMAGE)
... at a computational cost significantly lower than extended wave equation methods. We harness the ability of neural networks to approximate highly nonlinear...
2022
Semi-Analytical Approach of Optimum Vibration Frequency Determination That Gives Maximum Improvement on Reservoir Rock Porosity
Mursalim Mardin, Tutuka Ariadji
Indonesian Petroleum Association
... and formation rock. The oscillation wave from the vibration source follows the simple sinusoidal wave equation. Thus, we start to empirically seek a dominant...
2005
Large-scale Marchenko imaging with distance-aware matrix reordering, tile low-rank compression, and mixed-precision computations
Matteo Ravasi, Yuxi Hong, Hatem Ltaief, David Keyes, David Vargas
International Meeting for Applied Geoscience and Energy (IMAGE)
...)), as well as in more recently developed wave-equation based methods such as Estimation of Primaries by Sparse Inversion (EPSI – van Groenestijn...
2022
A shallow velocity model building using full-waveform inversion on 3D onshore dataset
Young Seo Kim, Jewoo Yoo, Tong Fei, Ali Almomin
International Meeting for Applied Geoscience and Energy (IMAGE)
...𝜔) = 2𝑖 𝐼𝑚𝑎𝑔[𝑤𝑢∗ (𝑤𝑢 − ̃ )] ̃ ̃ 𝑑 ̃∗ 𝑢 (5) where * denotes the complex conjugate and 𝐼𝑚𝑎𝑔 means the imaginary part of a complex value. In our works, we use acoustic w...
2022
Elastic-AdjointNet: A physics-guided deep autoencoder to overcome crosstalk effects in multiparameter full-waveform inversion
Arnab Dhara, Mrinal Sen
International Meeting for Applied Geoscience and Energy (IMAGE)
... formulation of the elastic wave equation. The synthetic data are compared against observed input data and the misfit is estimated. The gradient...
2022
Velocity estimation via model order reduction
Alexander V. Mamonov, Liliana Borcea, Josselin Garnier, Jrn Zimmerling
International Meeting for Applied Geoscience and Energy (IMAGE)
... (ROM) of the wave equation operator is introduced. The unknown medium is probed with pulses and the time domain pressure waveform data is recorded...
2022
Least-squares reverse-time migration with angle gathers through point spread functions
Jianyong Bai, Orhan Yilmaz
International Meeting for Applied Geoscience and Energy (IMAGE)
...-domain common image gathers (ODCIGs) are calculated from one-way wave equation and are transformed to the ADCIGs. In contrast, image-domain angle...
2022
Cross-Well Seismology: A New Production Tool
B. N. P. Paulsson, R. T. Langan
Indonesian Petroleum Association
... model based upon a producing field in the Southern San Joaquin Valley (USA). A finite difference solution to the acoustic wave equation was used...
1988
Strike Line Methodology as an Optimization to Exploring in Fold and Thrust Belts
B. A. Blake, D. Figueroa, A. Otero, R. Manceda, W. Prayitno
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... and wave equation modeling to create seismic responses from the balanced cross sections. Ray tracing is much faster but the reflections are unrealistically...
2003
Q-compensated least-squares reverse time migration by considering velocity and Q perturbations
Jinli Li, Yingming Qu, Chongpeng Huang, Zhenchun Li
International Meeting for Applied Geoscience and Energy (IMAGE)
... equation. Finally, the correctness of the method in this thesis is demonstrated by two typical models. Theory In a viscoacoustic medium, seismic wave...
2022