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The AAPG/Datapages Combined Publications Database
Showing 20,829 Results. Searched 200,357 documents.
Abstracts: Converted Wave Processing in the EOM Domain; #90173 (2015)
Thais A. Guirigay and John B. Bancroft
Search and Discovery.com
... wave. The processing methods start with the DSR equation (1) or (3), with the appropriate P and S velocities for each leg of the ray path...
2015
3D-9C seismic survey for direct S-wave processing and interpretation
Rui Zhang, Zhiwen Deng, Yuanyuan Yue, Yan Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
...3D-9C seismic survey for direct S-wave processing and interpretation Rui Zhang, Zhiwen Deng, Yuanyuan Yue, Yan Wang 3D-9C seismic survey for direct...
2022
Abstract: The Phase Shift Time Stepping Equation and the Marmousi Data Set; #90171 (2013)
Ben D. Wards, Gary F. Margrave, and Michael P. Lamoureux
Search and Discovery.com
... that does not use finite differences. An analytical solution to the acoustic wave equation (Etgen, 1989; Tal-Ezer, 1986) is computed exactly...
2013
The Attenuation Effects of Surface-Wave Propagations on Rockmass Using SASW Method
Suharsono, Abdul Rahim Samsudin
Geological Society of Malaysia (GSM)
... wave propagation in the grounds leads to the following equation for estimating the values of coefficient a: 21tfD a=- vR (4) where VR...
2003
Abstract: The Application of Extreme Attributes of PS Converted Wave; #90171 (2013)
Xiucheng. Wei, Xiang-Yang Li, Tiansheng Chen, and Lihua Jia
Search and Discovery.com
... attributes of PS-wave are not studied as much as for P-wave. Using the empirical Gardner equation describing the relationship between density and P...
2013
New numerical schemes for time-domain seismic wave modeling in viscoelastic media
Bing Zhou, Moosoo Won, Chao Jin
International Meeting for Applied Geoscience and Energy (IMAGE)
...r the 1st-order or 2nd-order wave equation, e.g. basing on equations (5), (6), (8), (9) and (10), one obtains the two versions of wave equatio...
2022
Subsalt Imaging: Beyond Depth Migration and Model Building
Search and Discovery.com
N/A
Near-surface modeling by surface wave tomography inversion in oil and gas exploration
Wen Peng, Le Li, Zhonglin Cao, Guangying Wang, Pengfei Duan, Heng Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
... the ray path and travel time of the single frequency surface wave component, a tomographic inversion equation can be established to obtain a nearsurface...
2024
Characteristics of Velocity-Porosity Relationships in the Baturaja Limestone Reservoir: A Case Study in the South Sumatra Basin
Muhamad Noor Ali
Indonesian Petroleum Association
... equation. Modeling obviously requires prior knowledge of velocities and densities. Shear wave velocities (S-wave) are much more difficult to obtain...
2002
ABSTRACT: A Hybrid Wave Equation Datuming and Kirchhoff PSDM Solution for Accurate Onshore Seismic Imaging, by Hu, Leon L.; Saleh, Saleh; Sliz, Krzysztof; Ley, Robert E.; #90141 (2012)
Search and Discovery.com
2012
TTI Wave Equation Migration by Phase-Shift Plus Interpolation
Richard A. Bale
Search and Discovery.com
...TTI Wave Equation Migration by Phase-Shift Plus Interpolation Richard A. Bale TTI Wave Equation Migration by Phase-Shift Plus Interpolation Richard...
Unknown
TTI Wave Equation Migration by Phase-Shift Plus Interpolation
Richard A. Bale
Search and Discovery.com
...TTI Wave Equation Migration by Phase-Shift Plus Interpolation Richard A. Bale TTI Wave Equation Migration by Phase-Shift Plus Interpolation Richard...
Unknown
Computation of phase velocity direction using normalized wavefields
Kwangjin Yoon, Jungkyun Hyun
International Meeting for Applied Geoscience and Energy (IMAGE)
...le computation of seismic wave propagation direction using equation 1 in a homogeneous isotropic media. The wave propagation direction can be stabiliz...
2024
Exact kinematic behavior of the P-SV converted wave in a vertical transversely isotropic medium
Guillaume Cambois
International Meeting for Applied Geoscience and Energy (IMAGE)
... the demonstration that the converted wave cannot physically triplicate. Incidentally, the case where Equation 42 is zero yields anisotropy values...
2023
Effect of Artificial Sea-Grass on Wave Energy and Near-Shore Sand Transport
Christopher J. Wayne
GCAGS Transactions
... the average wave energy per unit area of wave (E). Energy density can be found by measuring wave heights and substituting into the following equation: E...
1974
Spherical-Wave Computational AVO Modelling in Elastic and Anelastic Isotropic Two-Layer Media; #41564 (2015)
Arnim B. Haase, Charles P. Ursenbach
Search and Discovery.com
..., in the anelastic situation velocities are complex and must be recomputed for every frequency point, according to Equation 4. The P-wave quality...
2015
Full Waveform Acoustic Logging: Part 7. Geophysical Methods
C. H. Cheng
AAPG Special Volumes
... versus offset studies, and elastic wave equation migrations, among many other uses. The FWAL is also commonly used to identify and characterize fractures...
1992
Pyseis: A high-performance, user-friendly Python package for GPU-accelerated seismic modeling and subsurface imaging
Stuart Farris, Guillaume Barnier, Ettore Biondi, Robert Clapp
International Meeting for Applied Geoscience and Energy (IMAGE)
... the power of low-level CUDA and C++ for computation, and provides a user-friendly Python interface for wave-equation modeling and inversion...
2023
Finite Difference Modelling: Part IV
Lasse Amundsen, Ørjan Pedersen, Martin Landrø
GEO ExPro Magazine
... the discussion that was started in GEO ExPro Vol. 15, No. 2. The finite difference method applied to the acoustic wave equation gives beautiful wave...
2019
Borehole tube wave generation by an incident P-wave at a fluid-filled fracture
Abdullah Alsawidan
International Meeting for Applied Geoscience and Energy (IMAGE)
... We define the change in fracture width in equation 1 when a compressional wave with a stress pulse 𝜎! (𝑡) impinges on the fracture wall as (Ionov, 2...
2022
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
... (a) a plane wavefront and (b) circular wave from a point source propagating through a grid model. Numerically solving this equation produces first arrival...
2014
Abstract: Complex-beam Migration: Non-recursive and Recursive Implementations; #90187 (2014)
Tianfei Zhu
Search and Discovery.com
... variations are large. We show that the new method is a true-amplitude extension of the phase-shift wave-equation migration method into media...
2014
Abstract: 3D Process Modeling of Fluvial and Wave Dominated Shorelines for Siliciclastic and Carbonate Sediments, by D. Granjeon, P. Joseph, F. Guillocheau, and J-C. Navarre; #90956 (1995).
Search and Discovery.com
1995
Wave equation traveltime Kirchhoff with real data applications
Hu Jin, Vladimir Bashkardin, Petr Jilek, Chandan Kumar, Han Liu, John Etgen, Madhav Vyas, Ganyuan Xia
International Meeting for Applied Geoscience and Energy (IMAGE)
...Wave equation traveltime Kirchhoff with real data applications Hu Jin, Vladimir Bashkardin, Petr Jilek, Chandan Kumar, Han Liu, John Etgen, Madhav...
2023
ABSTRACT: Elastic Wave Velocity Model Analyses for Gas-Hydrate Bearing Sediments; #90061 (2006)
Dong Wang and Xiuming Wang
Search and Discovery.com
...ABSTRACT: Elastic Wave Velocity Model Analyses for Gas-Hydrate Bearing Sediments; #90061 (2006) Dong Wang and Xiuming Wang Elastic Wave Velocity...
2006