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The AAPG/Datapages Combined Publications Database
Showing 798 Results. Searched 200,357 documents.
Mapping of Rock Property Changes in Space and Time Using Microseismic Data through Full-Waveform Inversion
Jyoti Behura
Unconventional Resources Technology Conference (URTEC)
... location is often determined using the traveltime difference between the P- and S-wave arrivals through the following equation: ts-tp = D (~Vs Vp...
2016
High resolution imaging by dynamic matching FWI in the presence of AVO effects
Fuchun Gao, Shuqian Dong, Yang He, James Sheng, Faqi Liu, Bin Wang, Carlos Calderon, Yuriy Ivanov, Fanny D. Marcy, Ole E. Aaker
International Meeting for Applied Geoscience and Energy (IMAGE)
... and gradients by solving the acoustic wave equation for two main reasons: the acoustic solver is significantly more efficient than the elastic one...
2023
A graph-space optimal transport FWI approach based on κ-generalized Gaussian distribution
Sérgio Luiz E. F. da Silva, Giorgio Kaniadakis
International Meeting for Applied Geoscience and Energy (IMAGE)
... influence function, where the black line represents the classical approach (κ → 0). sure fields us that satisfy the acoustic wave equation, ∇2 us (x...
2023
Massive focal mechanism solutions from deep learning in west Texas
Yangkang Chen, Omar M. Saad, Alexandros Savvaidis, Fangxue Zhang, Yunfeng Chen, Dino Huang, Huijian Li, Farzaneh Aziz Zanjani
International Meeting for Applied Geoscience and Energy (IMAGE)
... solve the wave equation either numerically (Kim et al., 2011) or analytically (Zhu and Helmberger, 1996) based on an iteratively updated moment tensor...
2024
Low-rank representation for reflectivity model and its applications in least-squares migration
Jidong Yang, Jianping Huang, Hejun Zhu, George McMechan
International Meeting for Applied Geoscience and Energy (IMAGE)
.... Over time, seismic imaging methods have evolved from ray-based migration (Gray and May, 1994), through one-way wave equation migration (Gazdag, 1978...
2024
Application of land multiple numerical simulation identification and well-driven suppression technology in ultra-deep layers of S Basin
Zhang Shurui, Zang Dianguang, Li Guangpeng, Diao Yongbo, Du Jiajun, Liu Shumin
International Meeting for Applied Geoscience and Energy (IMAGE)
... suppression technique based on wave equation theory, which can eliminate multiples related to free interface. The formula is as follow(Qin,2017)： P0(n+1...
2024
A Siamese network-based full-wave inversion: Application on real data
Omar M. Saad, Randy Harsuko, Tariq Alkhalifah
International Meeting for Applied Geoscience and Energy (IMAGE)
... of both the CNN networks and the velocity model. Subsequently, forward modeling based on the acoustic wave equation is employed to generate simulated data...
2024
Hierarchical elastic velocities reconstruction with Eikonal-equation-based characteristic reflection traveltime tomography
Jianhua Wang, Jianming Zhang, Liangguo Dong, Yandong Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
... and South China Sea. However, this method is only applicable to acoustic cases now, and the efficiency is significantly decreased by the wave equation-based...
2024
4D batch FWI Sampling the null-space and random matrix theory
Madhav Vyas, Simon Luo, Esteban Díaz
International Meeting for Applied Geoscience and Energy (IMAGE)
... theoretical background and heuristic explanation for why the proposed solution works. Null Space & Random Matrix Theory Let F be the wave equation modeling...
2024
PS reflection-based full-waveform inversion using single-mode propagator
Yongbo Zhai, James Xu, James Rickett, Peng Wang, Xin Cheng, Denes Vigh, Suyang Chen, Cara Smith
International Meeting for Applied Geoscience and Energy (IMAGE)
... an approximated S-wave equation. By employing different imaging conditions, we update both the high-wavenumber and low-wavenumber components of the S-wave velocity...
2024
New stability constraints for pseudo-acoustic finite difference TTI modelling and inversion
Rodrigo Fuck, Lorenzo Casasanta, Marcel Nauta
International Meeting for Applied Geoscience and Energy (IMAGE)
... for stable pseudo-acoustic wave-equation modelling and inversion over vertical or tilted transverse isotropic media. Our method ensures elastic stability...
2024
Regularization for full-waveform inversion by generative diffusion model with score distillation
Bingbing Sun
International Meeting for Applied Geoscience and Energy (IMAGE)
.... It inverts the entirety of the recorded seismic waveforms using the full wave equation, with the objective of recovering comprehensive information about...
2024
Improved subsalt imaging in the Eastern Mediterranean Sea with converted wave attenuation
Monica Hartmann, Jana Caskey, Benjamin Cole, James McLeman, Tom Rayment, Ares Ouzounis
International Meeting for Applied Geoscience and Energy (IMAGE)
... subtracted in the image domain (Hegazy et al., 2018). Dual-leg 3D acoustic wave-equation modelling can be used to predict the converted wave noise...
2024
Energy HPC orchestrator: A cloud native HPC workflows management application
Kun Jiao, Cyril Lagrange, Dan Kahn, Hussein Shel, Max Liu, Dmitriy Tishechkin, Weishan Han, Christos Mavropoulos, Marwan Wirianto, Kent Stevens
International Meeting for Applied Geoscience and Energy (IMAGE)
... wave equation and the adjoint wave equation, yields a 3D image that is then uploaded to the object store. After this, a corresponding reduction work item...
2024
Optimized transparent boundary conditions for wave propagation
G. Roncoroni, B. Arntsen, E. Forte, M. Pipan
International Meeting for Applied Geoscience and Energy (IMAGE)
... insight into ongoing physical processes. Computing the wave equation in gradients, extend our capabilities to accommodate mutual parameter variations...
2024
Computation of phase velocity direction using normalized wavefields
Kwangjin Yoon, Jungkyun Hyun
International Meeting for Applied Geoscience and Energy (IMAGE)
...le computation of seismic wave propagation direction using equation 1 in a homogeneous isotropic media. The wave propagation direction can be stabiliz...
2024
Unconventional Reservoir Flow Assessment Using Spectral Acoustics and Numerical Temperature Modelling
Maxim Volkov, Vener Nagimov, Samuel Avilez, Dmitriy Lazutkin, Mikhail Khachaturyan, Artem Prodan
Unconventional Resources Technology Conference (URTEC)
... solution of the wave equation. Schematically the algorithm for determining the radial distances is shown in Figure 7. At the first stage, an acoustic...
2022
Defining a Steeply-Dipping Salt Flank in Mississippi with a New High-Certainty 3D Method
Nicholas Brooks, Pat Donais, Werner Heigl, Jakob Haldorsen, Fred Li
GCAGS Transactions
... use the wave equation to forward propagate the source wave field through a model of the shallow sediments and salt body (Claerbout, 1985...
2015
A Comparison of Prestack Depth and Prestack Time Imaging of the Paktoa Complex, Canadian Beaufort MacKenzie Basin
G. R. Elsley, H. Tieman
AAPG Special Volumes
... is a Kirchoff method, which consists of modeling a single raypath, and the second is a wave equation method, which models an entire wave front. A third method...
2010
Reef Delineation by Multiple Offset Borehole Seismic Data Collection: A Case Study
D. E. Miller and L. Dupal
AAPG Special Volumes
... at 650 msec on the CDP section. PROCESSING In recent years, a number of "full wave equation" algorithms have been proposed for the migration...
1987
Abstract: A Comparison of 5D Reconstruction Methods; #90187 (2014)
A. Stanton, N. Kreimer, D. Bonar, M. Naghizadeh, and M. D. Sacchi
Search and Discovery.com
... strategies to tackle the reconstruction problem. Algorithms fall under the following two categories: those based on wave equation principles (for example Ronen...
2014
Abstract: Least Squares Pre-Stack Time Migration for Imaging and Reconstruction of Converted Waves; #90224 (2015)
Aaron Stanton
Search and Discovery.com
... attenuation of reverse-time-migration artifacts: Geophysics, 72, S19–S23. Kuehl, H., and M. D. Sacchi, 2003, Least-squares wave-equation migration for avp/ava...
2015
Reservoir Characterization and Monitoring: From Inversion to Reservoir Characterization; #70243 (2017)
Runhai Feng, Stefan M. Luthi, Dries Gisolf, Siddharth Sharma
Search and Discovery.com
... geological and petrophysical model from the results of reservoir-orientated elastic wave-equation-based seismic inversion: Petroleum Geoscience, DOI...
2017
Estimation of Gas Reservoir Boundary by AVO Analysis
Alfian D. Santoso, L. Hendrajaya, F. Makhruf, Purwoko, S. Ardisasmita
Southeast Asia Petroleum Exploration Society (SEAPEX)
... equation in order to clarify the relationship between reflection coefficient the incident angle of P wave. The equation is written as follows (Verm...
1996
GeoMind: An intelligent earth model building tool
Saleh Al Saleh, Ewenet Gashawbeza, Mustafa Marzooq, Hussam Banaja, Husain Al Shakhs, Jianwu Jiao
International Meeting for Applied Geoscience and Energy (IMAGE)
... of the 3D prestack depth migration with the GeoMind velocity model and wave equation migration method. Second International Meeting for Applied...
2022