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The AAPG/Datapages Combined Publications Database
Showing 9,539 Results. Searched 195,364 documents.
Application of finite difference eikonal solver for traveltime computation in forward modeling and migration
Amir Mustaqim Majdi, Seyed Yaser Moussavi Alashloo, Nik Nur Anis Amalina Nik Mohd Hassan, Abdul Rahim Md Arshad, Abdul Halim Abdul Latiff
Geological Society of Malaysia (GSM)
... of the grid points by solving the eikonal equation (Hui et al., 2017). The calculation of the traveltimes to every grid point can be expressed...
2021
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)
... into the image grid points that have two-way traveltimes that match the traveltimes of the trace. The traveltime calculation is thus an essential part...
2023
Traveltime Computations for Locating the Source of Micro Seismic Events and for Forming Gridded Traveltime Maps
John C. Bancroft
Search and Discovery.com
.../home/kmath113.htm Website 2, htpp://mathworld.wolfram.com/ApolloniusProblem.html Vidale, J., 1988, Finite-difference calculation of traveltimes, Bulletin...
Unknown
Traveltime Computations for Locating the Source of Micro Seismic Events and for Forming Gridded Traveltime Maps
John C. Bancroft
Search and Discovery.com
.../home/kmath113.htm Website 2, htpp://mathworld.wolfram.com/ApolloniusProblem.html Vidale, J., 1988, Finite-difference calculation of traveltimes, Bulletin...
Unknown
Improve Kirchhoff depth imaging using full-wave-equation traveltimes
Yongzhong Wang, Yang He, Alex Yeh, Faqi Liu, Bin Wang, Carlos Caldern
International Meeting for Applied Geoscience and Energy (IMAGE)
.... Marfurt, and D. Yang, 2003, Wave equation calculation of most energetic traveltimes and amplitudes for Kirchhoff prestack migration: Geophysics, 68...
2023
Abstract: Regular Grids Travel Time Calculation A Practical Huygens Wavefront Expansion Approach; #90187 (2014)
Zhengsheng Yao, Mike Galbraith, and Randy Kolesar
Search and Discovery.com
...Abstract: Regular Grids Travel Time Calculation A Practical Huygens Wavefront Expansion Approach; #90187 (2014) Zhengsheng Yao, Mike Galbraith...
2014
Amplitude and Bandwidth Recovery Beneath Gas Zones Using Kirchhoff Prestack Depth Q-Migration
Jonathan Liu, Peter Traynin, J. M. Reilly
Indonesian Petroleum Association
... frequency-dependent traveltimes which is crucial in the Kirchhoff integral. In the viscoacoustic media the integral over the frequency domain cannot...
2007
Eikonal equation-based adjoint-state characteristic reflection traveltime tomography: Method and application in real dataset
Jianming Zhang, Liangguo Dong, Jianhua Wang, Yilin Wang, Chao Huang
International Meeting for Applied Geoscience and Energy (IMAGE)
... picking the reflection traveltimes in the prestack seismic data, and the other is determining and updating the reflector positions during inversion...
2023
Abstract: Monitoring Active Steam Injection through Time-lapse Seismic Refraction Surveys; #90174 (2014)
Byron M. Kelly and Don C. Lawton
Search and Discovery.com
... on first-arrival head waves, and observable through the subtraction of baseline survey traveltimes from those recorded by the monitor surveys...
2014
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
...Abstract: Regular Grids Travel Time Calculation Fast Marching with an Adaptive Stencils Approach; #90187 (2014) Zhengsheng Yao, Mike Galbraith...
2014
Abstract: First-Arrival TomoStatics and Residual Statics for Near-Surface Corrections; #90211 (2015)
Jie Zhang, Oz Yilmaz, and Nanxun Dai
Search and Discovery.com
... for making near-surface corrections. In tomostatics calculation, we calculate one-way statics from the actual shot and receiver locations to a smooth floating...
2015
First-Arrival Traveltime Inversion in the CMP Domain: Method and Application
Search and Discovery.com
... using velocity inversion from first-arrival traveltimes. The first approach is a tomographic method (e.g. Hampson and Russell, 1984; Stefani, 1995...
2013
Estimation of Seismic Attenuation in the Delaware Basin Using Peak Frequencies
Małgorzata Drwiła, Leo Eisner, Zuzana Jechumtalová, Denis Anikiev, Randy Keller
Unconventional Resources Technology Conference (URTEC)
... that measured peak frequencies decrease exponentially with the traveltimes of the corresponding waves. Traveltimes were calculated as differences...
2018
Prestack Depth Imaging Within the Makassar Straits, Eastern Kalimantan, Indonesia
Chris Willacy, Suryadi Oemar, A. Edy Hermantoro, Paul Gilleran
Indonesian Petroleum Association
... data. The inputs to the reflection tomography are traveltimes of seismic events and the output is a structural model of seismic wave interval...
2000
Fractured Continuum Approach to Stochastic Permeability Modeling
S. A. McKenna, P. C. Reeves
AAPG Special Volumes
... different conceptual models of fracture permeability on particle traveltimes. Altman, S. J., B. W. Arnold, R. W. Barnard, G. E. Barr, C. K. Ho, S. A. McKenna...
2006
Abstracts: Determining Elastic Constants of an Orthorhombic Material by Physical Seismic Modeling; #90173 (2015)
Faranak Mahmoudian, Gary F. Margrave, P. F. Daley, and Joe Wong
Search and Discovery.com
...- and S-waves group velocity in different directions are measured from surface traveltimes picked from the scaled physical model data acquired over...
2015
Abstract: To TTI or not to TTI? Semi-Automated 3D Tomographic Velocity Analysis in the Canadian Foothills: A Case History; #90211 (2015)
Sylvestre Charles, David Mitchell, Rob Holt, Jiwu Lin, and John Mathewson
Search and Discovery.com
... considered unreliable, and so are often not included in the calculation of near-surface velocities. For this project, carefully edited uphole times were...
2015
Gated based quantum computer algorithm for geophysical inversion
Jorge E. Monsegny, Daniel Trad, Don C. Lawton
International Meeting for Applied Geoscience and Energy (IMAGE)
... algorithm belongs to the quantum search algorithm class where the query is a forward modelling calculation, and we look for the minimum residual...
2023
Microseismic Without Dots Probabilistic Interpretation and Integration of Microseismic Surveys
Ulrich Zimmer
Unconventional Resources Technology Conference (URTEC)
... on the exact process of calculation of the location uncertainty the resulting ellipsoid can be interpreted in different ways. The most common and desirable...
2017
Diving wave tomography: Velocity modelling using first arrival traveltime
Amatul Syafi Abdul Basit, Abdul Rahim Md Arshad, Arulini Permalu
Geological Society of Malaysia (GSM)
...‐difference calculation of traveltimes in three dimensions. Geophysics, 55(5), 521–526. https://doi. org/https://doi.org/10.1190/1.1442863. Virieux, J...
2022
The Application of 2D Common-Offset Common-Reflection-Surface (CO CRS) Stack Method Towards Synthetic Data
Parapaty Halley, Rachmat Sule, Teuku Abdullah Sanny
Indonesian Petroleum Association
... applications, e.g. for interpretation. These wavefield attributes are also important data, which can be used for further calculation, e.g. reflection...
2009
Near Surface Imaging using Joint Seismic Gravity Inversion
Teguh Suroso, Boko Nurdiyanto, Trilaksita B. Nugraha, Lita Novitasari, Heri Winarto
Indonesian Petroleum Association
... Calculation Statics were calculated using velocity model, floating and intermediate datum, and first break as inputs. This stage was applied to both...
2019
Abstract: P-wave and S-wave Near-surface Characterization in Northeast British Columbia (NEBC); #90174 (2014)
Liliana M. Zuleta and Don C. Lawton
Search and Discovery.com
...: Manual calculation with Excel spreadsheets and software developed to automate the plus-minus analysis. Depth and velocities were obtained and from them...
2014
Abstracts: Fast Search Algorithms for Automatic Localization of Microseismic Events; #90173 (2015)
Ulrich Zimmer and Jeremy Jin
Search and Discovery.com
... a potential event location and its probability of being the event location is evaluated using the traveltimes to the sensors as stacking templates...
2015
Abstracts: General Anisotropic Travel Times A Purpose Built Solution; #90173 (2015)
R. Phillip Bording
Search and Discovery.com
... triangle calculation has been demonstrated, a set of four triangle compute cells will be constructed for the FPGA. This will allow for a complete row...
2015