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The AAPG/Datapages Combined Publications Database

Showing 141 Results. Searched 190,031 documents.

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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

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

Characteristics of the Free Surface Multiple Attenuation Using Wave Field Extrapolation; #40504 (2010)

Patrícia P. Ferreira, Marco Antonio, Cetale Santos, and Luiz Landau

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... the scalar wave equation, based on Helmholtz’s research (Bucci et al., 1994). In his research, Kirchhoff obtained the mathematical quantification...

2010

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

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,

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... 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

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..., 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

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

A Mechanistic Mixing Model for Miscible Gas Injection in Tight Oil Reservoirs

Sofiane Haythem Achour, Ryosuke Okuno

Unconventional Resources Technology Conference (URTEC)

... equation of state is used to model the non-ideal interactions among components in the miscible diffusive process. Phase stability analysis by minimization...

2020

Abstract: Assessing Natural Attenuation in AMD Contaminated Aquifers … The Integrative Dual Isotope ApproachŽ; #90172 (2014)

Kay Knöller, Nils Hoth

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... in AMD Contaminated Aquifers – “The Integrative Dual Isotope Approach” Kay Knöller* UFZ Helmholtz Centre for Environmental Research, Theodor-Lieser...

2014

A New Analytical Model for Liquid Loading in Shale Gas Reservoirs

Juntai Shi, Xiangfang Li, Yunchao Pu, Wei Yu

Unconventional Resources Technology Conference (URTEC)

... and liquid film flow in vertical and slant wellbores, liquid droplet flow, Entrainment – settlement flow and Kelvin-Helmholtz wave flow in horizontal...

2014

A Unified Model to Predict Flowing Pressure and Temperature Distributions in Horizontal Wellbores for Different Energized Fracturing Fluids

Zhengming Xu, Kan Wu, Xianzhi Song, Gensheng Li, Zhaopeng Zhu, Zhaoyu Pang

Unconventional Resources Technology Conference (URTEC)

..., and foam quality. Some equation of state (EOS) are proposed to determine the phase state and calculate thermodynamic properties of CO2 and N2...

2018

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