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The AAPG/Datapages Combined Publications Database
Showing 94 Results. Searched 200,293 documents.
A fast sweeping method based on coordinate transformation for eikonal equation on unstructured triangular meshes
Xin Chen, Danping Cao, Xin Fu
International Meeting for Applied Geoscience and Energy (IMAGE)
...A fast sweeping method based on coordinate transformation for eikonal equation on unstructured triangular meshes Xin Chen, Danping Cao, Xin Fu A fast...
2024
Abstract: Estimation of the Quality Factor with Tomography Using the Complex Eikonal Equation; #90255 (2017)
Tatiana Espinosa, Carlos Piedrahita Escobar
Search and Discovery.com
...Abstract: Estimation of the Quality Factor with Tomography Using the Complex Eikonal Equation; #90255 (2017) Tatiana Espinosa, Carlos Piedrahita...
2017
The calculation of first-arrival P-wave traveltime for attenuating TTI media
Mengxiu Wang, Jingyi Chen, Zhengcong Zhao, Kaiyuan Ji, Shaoying Chang
International Meeting for Applied Geoscience and Energy (IMAGE)
... of Eikonal equation has been proven effective and accurate for approximating the traveltimes. Eikonal equation for attenuative case can provide not only...
2022
Abstract: Regular Grids Travel Time Calculation Fast Marching with an Adaptive Stencils Approach; #90187 (2014)
Zhengsheng Yao, Mike Galbraith, and Randy Kolesar
Search and Discovery.com
... to demonstrate the effect of this algorithm. A numerical error analysis with a simple example The 2-D Eikonal equation, governing the traveltimes from...
2014
Application of finite difference eikonal solver for traveltime computation in forward modeling and migration
Amir Mustaqim Majdi, Seyed Yaser Moussavi Alashloo, Nik Nur Anis Amalina Nik Mohd Hassan, Abdul Rahim Md Arshad, Abdul Halim Abdul Latiff
Geological Society of Malaysia (GSM)
... be computed by solving wave equation of the ray path or the eikonal wave equation. Accurate method of computing traveltimes will give a significant impact...
2021
Eikonal equation-based adjoint-state characteristic reflection traveltime tomography: Method and application in real dataset
Jianming Zhang, Liangguo Dong, Jianhua Wang, Yilin Wang, Chao Huang
International Meeting for Applied Geoscience and Energy (IMAGE)
...Eikonal equation-based adjoint-state characteristic reflection traveltime tomography: Method and application in real dataset Jianming Zhang, Liangguo...
2023
Abstract: Regular Grids Travel Time Calculation A Practical Huygens Wavefront Expansion Approach; #90187 (2014)
Zhengsheng Yao, Mike Galbraith, and Randy Kolesar
Search and Discovery.com
... difference approximations to the equations that are equivalent to the Eikonal equation with a fixed time interval. Mapping traveltime from wavefront...
2014
Interpretation of first-arrival times of borehole acoustic measurements acquired in high-angle wells using 3D eikonal numerical simulations
Feiyue Xia, Carlos Torres-Verdín
International Meeting for Applied Geoscience and Energy (IMAGE)
... a fast sweeping method (FSM) to solve the eikonal equation. Ray-tracing techniques assume that elastic waves are infinitely high-frequency...
2024
Phase-Ray Maslov Summation: A Complete Finite-Frequency Ray Method
Tianfei Zhu
Search and Discovery.com
... unable to account for the inhomogeneity scattering effects. Based on a phase eikonal equation, on the other hand, the phase-ray method is capable...
Unknown
Phase-Ray Maslov Summation: A Complete Finite-Frequency Ray Method
Tianfei Zhu
Search and Discovery.com
... unable to account for the inhomogeneity scattering effects. Based on a phase eikonal equation, on the other hand, the phase-ray method is capable...
Unknown
Flow Simulation of Complex Fracture Systems With Unstructured Grids Using the Fast Marching Method
Changdong Yang, Xu Xue, Michael J. King, Akhil Datta-Gupta
Unconventional Resources Technology Conference (URTEC)
... and with larger cells far from the fractures. Next, the Eikonal equation, which governs the transient pressure propagation process, is solved on the basis...
2017
Data selection for velocity model estimation using a circular shot OBN survey
Felipe T. Costa, Sergio L. E. F. da Silva, Ammir A. Karsou, Felipe Capuzzo, Roger M. Moreira, Jorge Lopez, Marco Cetale
International Meeting for Applied Geoscience and Energy (IMAGE)
... construction and eikonal equation in automatic pre-stack data selection can improve the velocity model estimation in full waveform inversion (FWI...
2023
First-arrival traveltime and slope tomography in tilted anisotropic media with undulant topography
Xiaole Zhou, Serge Sambolian, Gaoshan Guo, Stephane Operto, Haiqiang Lan, Ling Chen
International Meeting for Applied Geoscience and Energy (IMAGE)
... of the misfit function by solving one eikonal equation and one transport equation per source. Then, Sambolian et al. (2021) show the benefit of slopes...
2022
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)
...Hierarchical elastic velocities reconstruction with Eikonal-equation-based characteristic reflection traveltime tomography Jianhua Wang, Jianming...
2024
Abstract: Scanning Anisotropy Parameters in Inhomogeneous Media, by Tariq A. Alkhalifah; #90105 (2010)
Search and Discovery.com
2010
Abstract: Computing Gridded Traveltimes from the Random Locations of Three Known Points; #90211 (2015)
John Bancroft and Xiang Du
Search and Discovery.com
... the traveltime as an expanding wavefront using an Eikonal equation approach. They may also be computed from raypaths that spr ead across the grid...
2015
Application of VTI PSDM for imaging carbonate structures
Seyed Yaser Moussavi Alashloo, Deva Ghosh, Yasir Bashir, Amir Babasafari
Geological Society of Malaysia (GSM)
... transverse isotropy (VTI) wave equation. A fast marching finite difference approach is used as our eikonal solver since it is fast and stable...
2018
Abstracts: General Anisotropic Travel Times A Purpose Built Solution; #90173 (2015)
R. Phillip Bording
Search and Discovery.com
... to travel times. Introduction The eikonal equation is a non-linear partial differential equation, which has many applications in geophysical modeling...
2015
Abstract: Determining Induced Microseismic Event Position and Origin Time, by Abdullah AlRamadhan; #90105 (2010)
Search and Discovery.com
2010
Fast Marching Method Based Rapid Simulation Accounting for Gravity
Tsubasa Onishi, Atsushi Iino, Hye Young Jung, Akhil Datta-Gupta
Unconventional Resources Technology Conference (URTEC)
... in the fracture planes. The DTOF is first obtained by solving the Eikonal equation using the FMM assuming that gravity segregation is negligible...
2019
Obtaining Low Frequencies for Full Waveform Inversion by Using Augmented Physics
Eldad Haber, Eran Treister, Elliot Holtham
Petroleum Exploration Society of Australia (PESA)
... equation we obtain the Eikonal equation for high frequencies This equation models the first arrivals of the waves. Since the travel time...
2016
Diving wave tomography: Velocity modelling using first arrival traveltime
Amatul Syafi Abdul Basit, Abdul Rahim Md Arshad, Arulini Permalu
Geological Society of Malaysia (GSM)
... field can be done either by ray tracing or by computing the numerical solutions of the eikonal equation. In ray tracing, raypath trajectory can...
2022
New Rapid Solutions for Production Analysis From Multi Transverse Fracture Wells
Ismail S. Mohamed, Venkata Bala Krishnateja Chavali, Michael J. King
Unconventional Resources Technology Conference (URTEC)
... the solution of the Eikonal equation to relate the drainage volume of the well to a fracture half length (Bansal and King 2020), combined...
2023
Velocity model building from 3D surface seismic data at the Utah FORGE EGS site
Yun-Ha Jung, Nori Nakata, Sea-Eun Park, Ju-Won Oh
International Meeting for Applied Geoscience and Energy (IMAGE)
... the expected and first arrival times of seismic waves (Bording et al., 1987). The eikonal equation calculates the travel-time (T) for a wave...
2024
Rapid Simulation of Unconventional Reservoirs Using Multi-Domain Multi-Resolution Discretization Based on the Diffusive Time of Flight
Hongquan Chen, Kazuyuki Terada, Ao Li, Akhil Datta-Gupta
Unconventional Resources Technology Conference (URTEC)
... contours, efficient and robust DTOF calculation is a prerequisite for our applications. Historically, Eikonal equation, the governing equation of DTOF...
2022