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The AAPG/Datapages Combined Publications Database
Showing 19,681 Results. Searched 195,364 documents.
Finite Difference Modelling: Part III: Time-Step n-Tupling
Lasse Amundsen, Ørjan Pedersen, Martin Landrø
GEO ExPro Magazine
... by the sum of second partial derivatives of the wavefield with respect to each of the space variables. The FD solution of the wave equation (1), Peter Lax...
2018
Use of Record Character in Interpreting Results and Its Effect on Depth Calculation in Refraction Work
T. L. Allen
AAPG Bulletin
... of slightly higher velocity which transmits the energy readily and has a distinctly different wave form. On account of the difficulty of energy...
1932
-- no title --
user
Search and Discovery.com
... the reflectors in the image domain are promoted as part of this optimization. Our method is tested with a reverse-time 'wave-equation' migration code...
Unknown
Abstract: Subsalt Migration Velocity Analysis with the Common Image Cube Approach, by K. Mansoor, O. Hermant, H. Baudon, S. Warzocha, and M. Van De Rijzen, #90188 (2014)
Search and Discovery.com
2014
-- no title --
user
Search and Discovery.com
... the reflectors in the image domain are promoted as part of this optimization. Our method is tested with a reverse-time 'wave-equation' migration code...
Unknown
Abstract: A Mimetic Scheme for Finite Difference Modeling of Acoustic Reflection; #90255 (2017)
F. Solano-Feo, J. M. Guevara-Jordán, O. Rojas1, C. González-Ramírez, B. Otero, R. Rodríguez
Search and Discovery.com
... a new mimetic finite difference (FD) scheme for solving the acoustic wave equation coupled to absorbing boundary and free surface conditions...
2017
Decoupled approximation of qP- and qSV-wave in attenuated TI media
Rong Huang, Zhiliang Wang, Guojie Song
International Meeting for Applied Geoscience and Energy (IMAGE)
... of the Earth’s internal structure. In seismic exploration, the anisotropic viscoelastic wave equation is a reliable way to describe the propagation of seismic...
2023
Another Look at the Separation of P- and S-Waves
Jun-Wei Huang
Search and Discovery.com
... be separated completely (figure 1). In practice however, seismograms are only part of the full wave field and thus lack some information for equation (1.4...
Unknown
Another Look at the Separation of P- and S-Waves
Jun-Wei Huang
Search and Discovery.com
... be separated completely (figure 1). In practice however, seismograms are only part of the full wave field and thus lack some information for equation (1.4...
Unknown
Abstract: AVO Analysis of Long Offset Seismic Data Using 3-D Graphical Analysis
Fuping Zhu, Richard L. Gibson
GCAGS Transactions
...Abstract: AVO Analysis of Long Offset Seismic Data Using 3-D Graphical Analysis Fuping Zhu, Richard L. Gibson 2001 421 421 Vol. 51 (2001), P-wave...
2001
Abstract: Practical Implementation of Wave-Equation Datuming for Resolving Near-Surface Problems, by Khaled Al Dulaijan and Saleh M. Al-Saleh; #90105 (2010)
Search and Discovery.com
2010
Abstract: Progress in Multiple Attenuation with Land Seismic Data in the Sultanate of Oman: Examples of Wave-Equation Deconvolution; #91204 (2023)
Najla AlObaidani, Tahar ben Youssef, Rahma Al-Harthy, Gregory Culianez
Search and Discovery.com
...Abstract: Progress in Multiple Attenuation with Land Seismic Data in the Sultanate of Oman: Examples of Wave-Equation Deconvolution; #91204 (2023...
2023
Utilizing the Two-Way Wave Equation: Reverse Time Pre-Stack Depth Migration
Matthew H. Karazincir, Clive M. Gerrard, Andrew Long, Lynn B. Comeaux
Indonesian Petroleum Association
...Utilizing the Two-Way Wave Equation: Reverse Time Pre-Stack Depth Migration Matthew H. Karazincir, Clive M. Gerrard, Andrew Long, Lynn B. Comeaux...
2008
Abstracts: True-Amplitude PS Prestack Time Migration via 5D Interpolation; #90173 (2015)
Peter W. Cary, Albert Zhang
Search and Discovery.com
... CSPG/CSEG/CWLS GeoConvention 2011, Calgary, Alberta, Canada, May 9-11, 2011 square root equation of converted wave travel-time using four parameters...
2015
On the Comparison Between the Threshold of Sediment Motion Under Waves and Unidirectional Currents with a Discussion of the Practical Evaluation of the Threshold: REPLY
Paul D. Komar, Martin C. Miller
Journal of Sedimentary Research (SEPM)
... the required velocity um. The linear Airy wave equation is um = [H]/[T sinh (2h/L)] (7) where L is the wave length. As discussed in Komar (1974), the wave...
1975
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
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
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
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
Subsalt Imaging: Beyond Depth Migration and Model Building
Search and Discovery.com
N/A
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
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