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The AAPG/Datapages Combined Publications Database
Showing 50 Results. Searched 190,755 documents.
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
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
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
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
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
Amplitude and Bandwidth Recovery Beneath Gas Zones Using Kirchhoff Prestack Depth Q-Migration
Jonathan Liu, Peter Traynin, J. M. Reilly
Indonesian Petroleum Association
... traveltime methods (ray tracing or eikonal solver) in an acoustic medium. The second term in equation (2) permits migration to compensate for amplitude loss...
2007
Well Performance and Completion Efficiency Assessment in the Delaware Basin using the Diffusive Time of Flight
Jaeyoung Park, Yuxing Ben, Vivek Muralidharan
Unconventional Resources Technology Conference (URTEC)
... (after Iino et al. (2017)) The high-frequency asymptotic solution leads to the diffusivity equation and to the Eikonal equation (Vasco et al. 2000...
2021
A Novel Approach for Production Transient Analysis of Shale Gas/Oil Reservoirs
Changdong Yang, Vishal Sharma, Akhil Datta-Gupta, Michael J. King
Unconventional Resources Technology Conference (URTEC)
... of the diffusivity equation for the impulse pressure solution. The formulation requires the solution of the Eikonal equation for the Diffusive Time of Flight...
2015
Rapid Simulation Accounting For Well Interference in Unconventional Reservoirs Using Fast Marching Method
Atsushi Iino, Hye Young Jung, Tsubasa Onishi, Akhil Datta-Gupta
Unconventional Resources Technology Conference (URTEC)
... for heterogeneous reservoirs and hydraulically fractured wells. The DTOF can be efficiently computed by solving the Eikonal equation using the Fast Marching...
2020
Abstract: Complex-beam Migration: Non-recursive and Recursive Implementations; #90187 (2014)
Tianfei Zhu
Search and Discovery.com
... of the Seismological Society of America, 72, S277-S317. Gray, S. H., and May, W.P., 1994, Kirchhoff migration using eikonal equation traveltimes...
2014
Rapid Compositional Simulation and History Matching of Shale Oil Reservoirs Using the Fast Marching Method
Atsushi Iino, Aditya Vyas, Jixiang Huang, Akhil Datta-Gupta, Yusuke Fujita, Sathish Sankaran
Unconventional Resources Technology Conference (URTEC)
... frequency asymptotic solution of the diffusivity equation in heterogeneous and fractured reservoirs. The high frequency solution leads to the Eikonal...
2017
Rapid Field-Scale Well Spacing Optimization in Tight and Shale Oil Reservoirs Using Fast Marching Method
Atsushi Iino, Tsubasa Onishi, Feyi Olalotiti-Lawal, Akhil Datta-Gupta
Unconventional Resources Technology Conference (URTEC)
...) computed as solution to the Eikonal equation using the FMM. Multiphase production rates are then computed for each well by utilizing the DTOF as spatial...
2018
Abstract: Inference of 2D and 3D Locally Varying Anisotropy Fields; #90187 (2014)
Maksuda Lillah and Jeff Boisvert
Search and Discovery.com
... of initial positio is set 0; T (0 ) 0 The FMM, although highly consistent and accurate in solving the Eikonal equation (3), suffer from numerical...
2014
Rapid Modeling of Injection and Production Phases of Hydraulically Fractured Shale Wells Using the Fast Marching Method
Jaeyoung Park, Atsushi Iino, Akhil Datta-Gupta, Jackson Bi, Sathish Sankaran
Unconventional Resources Technology Conference (URTEC)
... on a high frequency asymptotic solution which transforms the diffusivity equation to the Eikonal equation (Vasco, Keers, and Karasaki 2000, Vasco...
2019
Application of Novel Stabilized Zone Simulation and Flow Diagnostics for the Interpretation of the SRV and Assessment of Multiwell Interference
Ching-Hsien Liu, Kenta Nakajima, Michael J. King
Unconventional Resources Technology Conference (URTEC)
...). The asymptotic pressure solution leads to the Eikonal equation solved by a front-tracking algorithm called the fast marching method (FMM) (Sethian 1999...
2021
Abstract: Near Surface Anomalies and Solutions; #90211 (2015)
Todd Mojesky, David LeMeur, and Ali Karagul
Search and Discovery.com
... (of the first arrivals in this case) with the generated model. A finite-difference Eikonal solver allows fast and accurate estimations of first...
2015