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The AAPG/Datapages Combined Publications Database
Showing 163 Results. Searched 196,367 documents.
Abstract: Local Radial Basis Functions for Helmholtz Equation in Seismic Inversion; #90255 (2017)
Hebert Montegranario, Mauricio Londoño
Search and Discovery.com
...Abstract: Local Radial Basis Functions for Helmholtz Equation in Seismic Inversion; #90255 (2017) Hebert Montegranario, Mauricio Londoño AAPG...
2017
Abstract: An RBF-FD Scheme on Hexagonal Grids to Solve the Helmholtz Equation with High Wavenumber; #90255 (2017)
Mauricio Londono
Search and Discovery.com
...Abstract: An RBF-FD Scheme on Hexagonal Grids to Solve the Helmholtz Equation with High Wavenumber; #90255 (2017) Mauricio Londono AAPG Datapages...
2017
Abstracts: DC Electro-Kinetic Coupling Coefficient of Porous Samples in the Laboratory: Experimentation and Modelling; #90173 (2015)
E. Walker, P. W. J. Glover, E. Tardif, and J. Ruel
Search and Discovery.com
... phenomenon are described by the Helmholtz-Smoluchowski equation P V 2 s f where σf is the fluid conductivity (S/m), ε...
2015
Simulation of seismic waves in the fluid-solid coupled thermoelastic medium
Sen Yang, Guochen Wu, Junzhen Shan, Hongying Liu
International Meeting for Applied Geoscience and Energy (IMAGE)
...) are obtained based on Helmholtz decomposition. The deduced first-order fluid-solid-thermal coupled wave equation can reasonably simulate the wave...
2023
Obtaining Low Frequencies for Full Waveform Inversion by Using Augmented Physics
Eldad Haber, Eran Treister, Elliot Holtham
Petroleum Exploration Society of Australia (PESA)
... of the Helmholtz equation (in frequency), or the wave equation (in time). The data fitting requires some optimization algorithm, typically some descent algorithm...
2016
Comparison of Petrophysical Characteristics of a Shaly Sand Reservoir Using Shale Volume and Double Layer Models
Fachmy Muhammad Irhamsyah, Andreas Franzona Pangaribuan, Sigit Dermawan, Ismail Halim, Ildrem Syafri, Nanda Natasia, Ika Merdekawati, Adhilaksana, Bagus Wanmasri
Indonesian Petroleum Association
... and porosity as calculated from well logs. While Archie’s equation describes the electrical conductivity behaviour of shale-free rocks. Indonesia, Waxman...
2017
Turbulent Process Modeling of the Dynamic Flow-Bottom Interaction; #50307 (2010)
Paulo L.B. Paraizo, Marco A.S. Moraes, Renato N. Elias, Alvaro L.G.A. Coutinho
Search and Discovery.com
... being investigated by numerical models. Historically, Depth‐Averaged models have been extensively used to represent the Navier‐Stokes equation...
2010
Shear-Derived Mixing in Dense Granular Flows
Peter J. Rowley, Peter Kokelaar, Martin Menzies, Dave Waltham
Journal of Sedimentary Research (SEPM)
... particle motions and is interpreted as most likely to reflect velocity-shear instability growth, similar to Kelvin-Helmholtz instabilities formed...
2011
Automated velocity model building using Fourier neural operators
Guanghui Huang, Sean Crawley, Ramzi Djebbi, Jaime Ramos-Martinez, Nizar Chemingui
International Meeting for Applied Geoscience and Energy (IMAGE)
... to solve the Helmholtz equation. The first step of our FNO-based VMB workflow consists of generating about 40,000 random velocity models. We build...
2023
Characteristics of the Free Surface Multiple Attenuation Using Wave Field Extrapolation; #40504 (2010)
Patrícia P. Ferreira, Marco Antonio, Cetale Santos, and Luiz Landau
Search and Discovery.com
... the scalar wave equation, based on Helmholtz’s research (Bucci et al., 1994). In his research, Kirchhoff obtained the mathematical quantification...
2010
High-resolution angle gather tomography with Fourier neural operators
Sean Crawley, Guanghui Huang, Ramzi Djebbi, Jaime Ramos, Nizar Chemingui
International Meeting for Applied Geoscience and Energy (IMAGE)
... as activation functions. Lara-Benitez et al. (2023) present the mathematical proof of a similar architecture used to solve the Helmholtz equation...
2023
Monitoring Fluid Flow during Reservoir Stimulations with Surface Electric Self-Potential Measurements
Guy Marquis
Search and Discovery.com
... in the rock can be obtained from the Helmholtz-Smoluchowski equation: & V 9H f & P Vf Kf (1) where P is the pore pressure, ıf, Hf, Kf are the fluid...
Unknown
Monitoring Fluid Flow during Reservoir Stimulations with Surface Electric Self-Potential Measurements
Guy Marquis
Search and Discovery.com
... in the rock can be obtained from the Helmholtz-Smoluchowski equation: & V 9H f & P Vf Kf (1) where P is the pore pressure, ıf, Hf, Kf are the fluid...
Unknown
Hydrocarbon Phase Behavior Under Nanoconfinement and Shale-PVT Model Development
Bikai Jin, Lin Li, Hao Sun, Dengen Zhou
Unconventional Resources Technology Conference (URTEC)
... in a confined region. Travalloni, et al. (2010, 2014) proposed an extended Peng-Robinson equation of state (EOS) by incorporating molecular-level...
2023
Problems Related to Clay Minerals in Reservoir Sandstones: Chapter 17
Edward D. Pittman
AAPG Special Volumes
... to substitution in the lattice. This negative charge attracts water molecules and some cations, which combine to form what is known as the Inner Helmholtz...
1989
Abstract: 3D–3С Full-Wave Modeling in Anisotropic 2.5D Medium; #90171 (2013)
A. Kostyukevych, N. Marmalevskyi, Y. Roganov, and V. Tulchinsky
Search and Discovery.com
... and x 2 with subsequent sampling. They solve the linear equation system by LU-decomposition of the matrix representing the Helmholtz operator. AAPG...
2013
Accurate Estimation of Tubular Fluid Flow Friction Loss During Liquid-supercritical CO2 Fracturing and Transportation
Xiaojiang Li, Gensheng Li, Kamy Sepehrnoori, Wei Yu, Haizhu Wang, Qingling Liu, Hongyuan Zhang, Zhiming Chen
Unconventional Resources Technology Conference (URTEC)
... turbulence model is used to simulate the large Reynolds number fully-turbulent flow. An accurate equation of state and transport models of CO2...
2017
Assessment and Quantification of Petroleum Alteration Processes on the Reservoir Scale Using Oil Compositional Variability and Compound Specific Isotope Ratios, #90110 (2010)
Heinz Wilkes, Andrea Vieth, Raingard Haberer, Stefanie Pötz, and Brian Horsfield,
Search and Discovery.com
... Horsfield Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, Section 4.3 Organic Geochemistry, Telegrafenberg, D-14473 Potsdam, Germany...
2010
Abstracts: Full Waveform Inversion with Total Variation Regularization; #90173 (2015)
Amsalu Y. Anagaw, Mauricio D. Sacchi
Search and Discovery.com
... is computed by solving the full wave-equation using the finite difference method. FWI is a local gradientbased optimization problem requiring...
2015
Gabor Depth Migration using a New Adaptive Partitioning Algorithm
Yongwang Ma
Search and Discovery.com
..., A new class of propagation models based on a factorization of the Helmholtz equation: Geophys. J. Roy. Astr. Soc., 80, 439-461. Gazdag, J., 1978, Wave...
Unknown
Gabor Depth Migration using a New Adaptive Partitioning Algorithm
Yongwang Ma
Search and Discovery.com
..., A new class of propagation models based on a factorization of the Helmholtz equation: Geophys. J. Roy. Astr. Soc., 80, 439-461. Gazdag, J., 1978, Wave...
Unknown
A Phase Diagram for Turbulent, Transitional, and Laminar Clay Suspension Flows
Jaco H. Baas, James L. Best, Jeffrey Peakall, Mi Wang
Journal of Sedimentary Research (SEPM)
... and strong turbulence from an upper region of plug flow with a much gentler velocity gradient and lower turbulence intensity. Kelvin-Helmholtz shear...
2009
The emergence and impact of scientific machine learning in geophysical exploration
Umair bin Waheed
International Meeting for Applied Geoscience and Energy (IMAGE)
... solutions from machine learned functions constrained by the Helmholtz equation: Artificial Intelligence in Geosciences, 2, 11–19, doi: https://doi.org...
2023
Dip and Azimuth Determination in 3D CRS-Stack
A. Hendriyana, M. Jaya, R. Sule, A.D. Guntara
Indonesian Petroleum Association
... Bandung Helmholtz Centre Potsdam, GFZ German Research Center for Geosciences P.T. Pertamina UTC © Conventional stacking is one element of CRS...
2013
Abstract: Reverse Time Migration of Prestack Elastic Data; #90224 (2015)
R. Ferner and M. D. Sacchi
Search and Discovery.com
... of finite-difference solutions to the elastic wave-equation are well documented in geophysical literature. These finite-difference solutions model elastic...
2015