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The AAPG/Datapages Combined Publications Database
Showing 19,696 Results. Searched 195,452 documents.
Abstract: Reflection Full Traveltime Inversion in the Image Domain; #90319 (2018)
Yue Ma, Tong W. Fei, Yan Wu, Yi Luo
Search and Discovery.com
... Full traveltime inversion (FTI) is a newly developed wave-equation-based traveltime inversion methodology to automatically invert a kinematically...
2018
Best Practices for Sub
Search and Discovery.com
N/A
Abstracts: Nodal Galerkin Methods for Numerical Modelling of Linear Elasticity with Absorbing Boundary Conditions; #90173 (2015)
Matt McDonald, Michael Lamoureux, and Gary Margrave
Search and Discovery.com
... in the spatial domain and converges exponentially. It is appropriate for any formulation of the elastic wave equation in any number of spatial dimensions...
2015
An Empirical Study of the Generalized Fluid Method for Hydrocarbon Discrimination
Search and Discovery.com
.... For the first category, Aki and Richards equation emphasized the contribution of variations in the P- and S-wave velocities and density. A reformulation...
2013
Semi-Analytical Approach of Optimum Vibration Frequency Determination That Gives Maximum Improvement on Reservoir Rock Porosity
Mursalim Mardin, Tutuka Ariadji
Indonesian Petroleum Association
... and formation rock. The oscillation wave from the vibration source follows the simple sinusoidal wave equation. Thus, we start to empirically seek a dominant...
2005
Multifocusing Stack Technique for Subsurface Imaging, #40749 (2011)
Sunjay Sunjay,
Search and Discovery.com
...- involved in equation (1) are curvature radii of the fictitious wave fronts ΣS and ΣG. It is clear from Figure 3 that, for a given central ray, the radii R...
2011
Abstract: Integration of Well Logs and Seismic Data for Prediction of Elastic Properties in a Heavy Oil Sand Reservoir: Manitou Lake, Saskatchewan; #90171 (2013)
Maria F. Quijada and Robert R. Stewart
Search and Discovery.com
... CSPG/CSEG/CWLS GeoConvention 2009, Calgary, Alberta, Canada, May 4-8, 2009 Log response equation Gardner Density (g/cm3) P‐wave sonic (us/m...
2013
Wave-Formed Sedimentary StructuresA Conceptual Model
H. Edward Clifton
Special Publications of SEPM
... where Lois deep water wave length Because the Stokes second order equation is not valid for all ranges of dUm this approach is somewhat restricted...
1987
Abstracts: A Decomposition of RP into Contributions from single-parameter Reflectivities; #90173 (2015)
Kristopher A. Innanen
Search and Discovery.com
..., the AR approximation , (1) in which VP, VS and ρ represent the mean values of P-wave velocity...
2015
Elastic impedance parameterization and inversion for fracture quasi-weaknesses and quasi-Thomsen parameters in fractured reservoirs with monoclinic symmetry
Wei Xiang, Xingyao Yin, Kun Li, Zhengqian Ma
International Meeting for Applied Geoscience and Energy (IMAGE)
... of weak anisotropy, the PP wave reflection coefficient equation of monoclinic medium, formed by a single group of vertical fractures distributed...
2023
Meramec Velocity Systematics
Jing Fu, Carl Sondergeld, Chandra Rai
Unconventional Resources Technology Conference (URTEC)
... corrected based on the Thomsen’s compressional wave anisotropy parameter and the systematics were generated. Using the first equation, Vs= 1.54 + 0.31*Vp...
2020
Extended Abstract: Full Waveform Inversion for Detailed Velocity Analysis
Jerry Kapoor, Denes Vigh
GCAGS Transactions
...) is an advanced velocity model building process that uses the full two-way wave equation. Existing methods use a ray-tracing approach to distribute velocity...
2016
Mitigating the effects of guided waves in OBN data for acoustic FWI using data reconstruction: A data example from the Yggdrasil area
M. A. H. Zuberi, E. Cho, T. Seher, R. Myklebust
International Meeting for Applied Geoscience and Energy (IMAGE)
...WI. The arrows indicate the guided wave. In shallow water the guided waves can dominate the OBN data (Klein et al. 2005). The reconstruction filt...
2023
Abstract: Spectral-element Simulations of Elastic Wave Propagation in Exploration and Geotechnical Applications; #90187 (2014)
Lin Zheng, Qi Zhao, Qinya Liu, Bernd Milkereit, and Giovanni Grasselli
Search and Discovery.com
...Abstract: Spectral-element Simulations of Elastic Wave Propagation in Exploration and Geotechnical Applications; #90187 (2014) Lin Zheng, Qi Zhao...
2014
Abstract: Seismic Wave Attenuation due to Scattering and Leaky Mode Mechanisms in Heterogeneous Reservoirs; #90171 (2013)
Jun-Wei Huang, Gilles Bellefleur, and Bernd Milkereit
Search and Discovery.com
... (2004) pointed out that a complex wave number mathematically results in an exponential decay factor in the wave equation that make waves decay in the same...
2013
Imaging Complex Structures in Colombia Full Wave Equation Migration Approach
Hector A. Alfonso, Luis E. Rojas, Weizhong Wang, Jie Zhang, Oz Yilmaz
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
...Imaging Complex Structures in Colombia Full Wave Equation Migration Approach Hector A. Alfonso, Luis E. Rojas, Weizhong Wang, Jie Zhang, Oz Yilmaz...
2008
Depth Imaging Seismic Data to Help Delineate Gas Reservoirs in Southwest Wyoming
Alvin K. Benson
Wyoming Geological Association
... that the propagation of energy through the earth is governed by the acoustic wave equation. The spatial and time dependence of the amplitudes P of a wave...
1989
Seismic Migration: Part 7. Geophysical Methods
Ken Larner, David Hale
AAPG Special Volumes
... it is done. All of the many methods of doing migration are founded on solutions to the scalar wave equation, a partial differential equation that models how...
1992
Target-oriented wavefield calculation using Recursive Patched Green Functions
Edwin Fagua Duarte, Janaina Schwarzrock, Danyelle da Silva, Joao Medeiros de Araujo, Mauro Ferreira
International Meeting for Applied Geoscience and Energy (IMAGE)
... by using the Dyson equation (Lewenkopf and Mucciolo, 2013; Moura et al., 2020). In wave propagation, the PGF method, Green’s functions related...
2023
Abstract: Time-Lapse FullWaveform Inversion Application To Seismic Monitoring Of CO2 Sequestration; #90224 (2015)
Wubshet Alemie
Search and Discovery.com
... frequency domain acoustic wave equation with PML boundary conditions and discretized with second order in space finite difference. The resulting linear...
2015
Abstract: Parallel Implementation of Pre-stack Least-squares Migration for Distributed Systems; #90171 (2013)
Sam T. Kaplan
Search and Discovery.com
..., Canada [email protected] Summary Least-squares wave-equation pre-stack depth migration is a computationally expensive algorithm, requiring repeated...
2013
Multi-scale anisotropic dispersion and attenuation in VTI media with penny-shaped cracks
Yanwen Feng, Zhaoyun Zong, Guangzhi Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
... with penny-shaped cracks. Based on the proposed approach, we derive the wave equation of the model including three WIFF mechanisms (the global fluid flow...
2023
Marine Seismic Sources: Part XII: Sound in the Sea
Martin Landrø, Lasse Amundsen
GEO ExPro Magazine
... to formulate the wave equation, a mathematical means of describing sound waves that is the basis for all work on acoustics. His work set the stage...
2012
Seismic Anisotropy Modeling from Well Log in Talang Akar Formation, South Sumatra, Indonesia; #41360 (2014)
Thariq Guntoro, Intan Andriani Putri1, and Dwa Desa Warnana
Search and Discovery.com
... Abstract Old seismic modeling assume that the seismic wave propagate in the earth have the same value for every directions. In the reality, earth layers...
2014
From Arrhenius to CO2 Storage: Part XII: Model for Radiative Transfer of Fluxes in the Temperature-Stratified Atmosphere
Lasse Amundsen, Martin Landrø
GEO ExPro Magazine
... a spherical cow in a vacuum …” A popular joke about modeling. NASA/ JSC the equation of radiative transfer which describes mathematically how...
2021