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The AAPG/Datapages Combined Publications Database
Showing 94 Results. Searched 200,293 documents.
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Understanding Field Performance of Hydraulically Fractured Wells: Comparison of Pressure Front Versus Tracer Front Propagation Using the Fast Marching Method (FMM) and Complex Analysis Method (CAM)
Kiran Nandlal, Chen Li, Ching-Hsien Liu, Venkata Bala Krishnateja Chavali, Michael J. King, Ruud Weijermars
Unconventional Resources Technology Conference (URTEC)
... “asymptotic pressure approximation” based on the diffusive time-of-flight (DTOF), which is calculated by solving the Eikonal equation using a front-tracking...
2020
Time-Lapse Seismic Monitoring of Individual Hydraulic Frac Stages Using a Downhole Distributed Acoustic Sensing Array
Gary Binder, Aleksei Titov, Diana Tamayo, James Simmons, Ali Tura, Grant Byerley, David Monk
Unconventional Resources Technology Conference (URTEC)
...el can be calculated using a P-wave eikonal equation solver for 2D transverse isotropic media described by Han et al., 2017. As shown in Fig. ...
2019
Geoscientific reasoning via graph neural networks
Grant Seastream, Huseyin Denli
International Meeting for Applied Geoscience and Energy (IMAGE)
... the connectivity property between nodes computed by solving the Eikonal equation. No global properties were used for this proof-of-concept experiment. One...
2022
Traveltime Computations for Locating the Source of Micro Seismic Events and for Forming Gridded Traveltime Maps
John C. Bancroft
Search and Discovery.com
... solution to the eikonal equation. This method assumes plane waves and produces significant errors when the radius of curvature of the wavefront...
Unknown
Traveltime Computations for Locating the Source of Micro Seismic Events and for Forming Gridded Traveltime Maps
John C. Bancroft
Search and Discovery.com
... solution to the eikonal equation. This method assumes plane waves and produces significant errors when the radius of curvature of the wavefront...
Unknown
Abstract: Application of Acoustic Waveform Tomography to Marine Seismic Reflection Data Contaminated with Strong Guided Waves; #90187 (2014)
Rajesh Vayavur and Andrew. J. Calvert
Search and Discovery.com
... first arrival tomography code of Aldridge and Oldenburg (1993), which is based on a finite difference solution of the eikonal equation to derive...
2014
Reservoir and Fracture Flow Characterization Using a Novel ω(τ) Formulation
Xu Xue, Changdong Yang, Vishal Kumar Sharma, Akhil Datta-Gupta, Michael J. King
Unconventional Resources Technology Conference (URTEC)
... in unconventional reservoirs. The asymptotic analysis leads to the Eikonal equation that describes the evolution of the drainage volume accounting...
2016
Multi-resolution Coupled Flow and Geomechanics Modeling Using Fast Marching Method
Kazuyuki Terada, Hongquan Chen, Akhil Datta-Gupta, Atsushi Iino
Unconventional Resources Technology Conference (URTEC)
... of the propagating pressure front that can be efficiently computed by solving the Eikonal equation using FMM. Our proposed approach solves both flow...
2023
Abstract: Influence of Error in Estimating Anisotropic Parameters on VTI Depth Imaging; #90255 (2017)
S. Y. Moussavi Alashloo, D. P. Ghosh, W. Y. Wan Ismail
Search and Discovery.com
... such as sparse data acquisition, erroneous data with low signal to noise ratio, etc. In this study, a fast marching eikonal solver is employed...
2017
Physics-informed full-waveform inversion using learned wavefield solutions
Xinquan Huang, Tariq Alkhalifah, Fu Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
... this wavefield obeys the physical laws (wave equation) and matches the data on the surface, we achieve a significant reduction in noise and artifacts...
2024
Abstract: Regime Rays: Visualizing the Fermat/Snell Loci in Homogeneous Anisotropic Media; #90171 (2013)
William J. Vetter
Search and Discovery.com
... from overlooked extra prescribed directions/progression-speeds detail in sequenced moderelevant eikonal equations, relevant for FS-rays for given...
2013
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)
... eikonal equation traveltimes: Geophysics, 59, 810–817, doi: https://doi.org/10.1190/1 .1443639. Herrmann, F. J., and X. Li, 2012, Efficient least...
2024
Application of phase stabilization Q migration in comprehensive evaluation and identification of tight-reservoir
Yi Bao, Hai-Bo Zhao, Xu Liu, Xiao-Wei Guan, Xin-Yue Song, Cheng Wang, Zai-Jin Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
...) solves the eikonal equation using a new finite difference scheme in the traditional FMM. r ( rE ) 1 v ( x , y , z ) ( x xs ) 2 ( y...
2024
Kronecker neural networks for the win: Overcoming spectral bias for PINN-based wavefield computation
Umair bin Waheed
International Meeting for Applied Geoscience and Energy (IMAGE)
... inversion (FWI). One of the popular approaches is to solve for the wavefields in the frequency domain by using the Helmholtz equation. However, Helmholtz...
2022
Stacking common-image gathers via the flatten-illumination-similarity method
Chengliang Wu, Huazhong Wang, Bo Feng, Chao Ning, Xianggong Tang
International Meeting for Applied Geoscience and Energy (IMAGE)
... using eikonal equation traveltimes: Geophysics, 59, 810–817, doi: https://doi.org/10.1190/1 .1443639. Guitton, A., 2017, Fast 3D least-squares RTM...
2023
Deep Earth: Leveraging neural networks for seismic exploration objectives
Tariq Alkhalifah, Claire Birnie, Randy Harsuko, Hanchen Wang, Oleg Ovcharenko
International Meeting for Applied Geoscience and Energy (IMAGE)
.... The second task is first arrival picking. With the random models used to generate the synthetic, we numerical solve the eikonal equation to obtain...
2022
Abstract: Tomography of a Velocity Modeland Location of Microseismic Events with P, Sv and Sh Waves; #90224 (2015)
Malgorzata Chmiel and Thomas Bardainne
Search and Discovery.com
... analytical and numerical modules (time 3 D - based on the 3D eikonal equation developed by Podvin and Lecomte (1991) and an anisotropic ray tracer...
2015
Multi-Resolution Simulation for Efficient Pressure & Stress Calculation in Large-Scale CO2 Storage Using Pseudosteady State Pressure as Spatial Coordinate
Kazuyuki Terada, Akhil Datta-Gupta, Michael J. King
Carbon Capture, Utilization and Storage (CCUS)
... for the spatial discretization. The DTOF is an arrival time of pressure front propagating from a well that is governed by the Eikonal equation (Eq. 1...
2024
Sediment Accumulation Rates For the Mississippi Delta Region: a Time-interval Synthesis
Chris Jenkins
Journal of Sedimentary Research (SEPM)
.../Halflife [Accessed September 17, 2016]. Wikipedia contributors, 2016, Eikonal equation: Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki...
2018
Rapid Refracturing Candidate Selection in Shale Reservoirs Using Drainage Volume and Instantaneous Recovery Ratio
Changdong Yang, Xu Xue, Jixiang Huang, Akhil Datta-Gupta, Michael J. King
Unconventional Resources Technology Conference (URTEC)
... the asymptotic (high frequency) limit of the diffusivity equation for the impulse pressure solution and requires solution of the Eikonal equation...
2016
Physics-based preconditioned multidimensional deconvolution in the time domain
David Vargas, Ivan Vasconcelos, Matteo Ravasi, Nick Luiken
International Meeting for Applied Geoscience and Energy (IMAGE)
...± that arise after ignitˆ ing the source xs (Figure 1a). Solving such an equation for G p produces the overburden-free reflection response at ∂ Dr...
2022
An optimal aperture crosscorrelation imaging condition for Marchenko imaging
Xiaochun Chen, Yezheng Hu, Yukai Wo, Weiping Cao, Xuri Huang
International Meeting for Applied Geoscience and Energy (IMAGE)
..., S. H., and W. P. May, 1994, Kirchhoff migration using eikonal equation traveltimes: Geophysics, 59, 810–817, doi: https://doi.org/10.1190/1 .1443639...
2022
Simultaneous Joint Inversion of Seismic, Magnetotelluric and Gravity in a Sub-Volcanic Reservoir
Muhammad Irsyad Hibatullah, Maulana hutama Rahma Putra, Firman Syaifuddin Akbar, Dwa Desa Warnana, Fahrenzy Yona Aisha
Indonesian Petroleum Association
... on the Faust equation (1) (Faust, 1951) and Density parameters using the Gardner equation (2) (Gardner, Gardner and Gregory, 1974...
2019
High-precision seismic imaging for complex deep structures in the hydrocarbon exploration using a coherent-stacking-based least-squares migration
Jidong Yang, Jianping Huang, Tengfei Lin, Zhenchun Li, and Liang Chen
AAPG Bulletin
... the traveltime by tracing rays (Julian and Gubbins, 1977; Keho and Beydoun, 1988) or solving the eikonal equation using the finite-difference algorithm...
2024
Seismic Imaging of the Overturned Limb of a Footwall Syncline in the Alberta Foothills of the Canadian Rocky Mountains and Its Impact on Exploration; #30533 (2017)
Andrew C. Newson
Search and Discovery.com
... with a 7000 meter aperture. The travel times were obtained by solving the eikonal equation using finite differences. The geophysical modelling supports...
2017
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