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The AAPG/Datapages Combined Publications Database
Showing 5,188 Results. Searched 200,357 documents.
Abstract: Elastic Full Waveform Inversion For Land Walkaway VSP Data; #90224 (2015)
Olga Podgornova, Scott Leaney, Marwan Charara, and Eric von Lunen
Search and Discovery.com
... medium properties, including compressional and shearwave velocities. Careful treatment of the source wavelet is crucial for FWI and is a challenging task...
2015
Current Trends in Geophysics
H. E. Stommel, J. M. Graul
Indonesian Petroleum Association
... processing, wavelet processing, coherency enhancement, attenuation analysis, multi-parameter color displays, forward and inverse modeling...
1978
Calibration of Continuous Wavelet Transform (CWT) Fracture Closure Detection Using Laboratory Hydraulic Fracturing Experiments
Mohamed A. Gabry, Zhi Ye, Amr Ramadan, Ahmad Ghassemi, Mohamed Y. Soliman
Unconventional Resources Technology Conference (URTEC)
...(t) is the mother wavelet, a represents the scale (inverse frequency), and b represents translation (time shift). Wavelet families vary in shape...
2025
Abstract: Seismic Calibration Techniques for Improved Subsurface Definition, by J. P. Lindsey, E. V. Dedman; #90961 (1978).
Search and Discovery.com
1978
Data-driven near-surface Q compensation: A case study in Sichuan Basin of China
Xinyuan Feng, Yulian Zhao, Mingtu Xiao
International Meeting for Applied Geoscience and Energy (IMAGE)
.... It is assumed that the seismic pulse can be simulated by the Riker wavelet, whose amplitude spectrum is given by the following formula: S๏ฟฝ๐๐๏ฟฝ = 2...
2024
Reservoir Characterisation Study: Inter Well Reservoir Property Prediction and Mapping by Petrophysics Data and Seismic Data Integration
Robi Junipa, Michel Bee
Indonesian Petroleum Association
.... In Sintong, 14 (fourteen) wells were used to create synthetic seismograms with a consistent phase wavelet. A velocity model was then developed to insure...
2010
High-Resolution Deconvolution with Sparsity and Lateral Continuity Constraints
Juefu Wang
Search and Discovery.com
... real data. Introduction Deconvolution can be posed as an inverse problem in which we attempt to remove the signature of the wavelet and therefore...
Unknown
High-Resolution Deconvolution with Sparsity and Lateral Continuity Constraints
Juefu Wang
Search and Discovery.com
... real data. Introduction Deconvolution can be posed as an inverse problem in which we attempt to remove the signature of the wavelet and therefore...
Unknown
Abstract: Full Waveform Inversion with Phase Encoded Deconvolution Imaging Condition; #90224 (2015)
Wenyong Pan, Kris Innanen, and Gary Margrave
Search and Discovery.com
... are deployed on the surface with a receiver interval of 5m from 5m to 5750m. The source function is a Ricker wavelet with a dominant frequency...
2015
Abstract: Residual Water-Bottom Multiple Attenuation in the Arabian Gulf, by Roy Burnstad and Mahmoud E. Hedefa; #90077 (2008)
Search and Discovery.com
2008
ABSTRACT: A Robust Method for Q Estimation, by Taner, M. Turhan, Sven Treitel; #90026 (2004)
Search and Discovery.com
2004
Fast Gauss-Newton full-wavefield migration
Siamak Abolhassani, Eric Verschuur
International Meeting for Applied Geoscience and Energy (IMAGE)
... wavenumber, and Fx represents the inverse spatial Fourier transform. Extrapolating the seismic source signature downward from z0 to zN and then upward...
2022
Abstract: Image Enhacement After Migration; #90174 (2014)
John C. Bancroft, Thais Guirigay, and Helen Isaac
Search and Discovery.com
... of dipping events to prevent aliasing, and a deconvolution would increase the frequency of the wavelet and introduce aliasing. This reason is valid...
2014
-- no title --
user1
Search and Discovery.com
.... ๐(๐ก) is source wavelet. ๐บ(๐, ๐ก |x, 0) and ๐บ(๐ฅ, ๐ก | ๐ , 0) are Greenโs function from source s to scatter point x and from scatter point x to receiving point...
Unknown
Abstracts: Padรฉ Approximation for Analyzing Multiple Reflections; #90173 (2015)
Dali Zhang, Michael P. Lamoureux, and Gary F. Margrave
Search and Discovery.com
... ) can be used to estimate the reflectivity parameters and to recover the impulse wavelet using inverse filtering. Numerical Simulations To simulate...
2015
Sparsity and Continuity Enhancing Seismic Imaging, #41532 (2015).
Peyman P. Moghaddam, Felix Herrmann, and Chris Stolk
Search and Discovery.com
...), the seismic image recovery problem is formulated as a nonlinear optimization problem. After linearization and by ignoring the source and receiver signatures...
2015
A shallow velocity model building using full-waveform inversion on 3D onshore dataset
Young Seo Kim, Jewoo Yoo, Tong Fei, Ali Almomin
International Meeting for Applied Geoscience and Energy (IMAGE)
... as the source wavelet. We call this technique as wavefield traveltime inversion (WTI) by following the work done by Luo and Schuster (1991). We...
2022
Multichannel seismic deconvolution via 2D K-SVD and convolutional sparse coding
Guiqian Zhang, Xiayu Gao, Bangli Zou, Yaojun Wang, Yingzhu Chen
International Meeting for Applied Geoscience and Energy (IMAGE)
... algorithm is the Euclidean deconvolution (Rietsch, 1997), which uses the source wavelet, i.e., the common factor in a group of seismic data with different...
2023
Abstract: Acquiring Low Frequencies : Sweeps, Sensors, Sampling and Stories; #90224 (2015)
Olivier Winter, Anna Leslie, and Forest Lin
Search and Discovery.com
... for a given target is a problem where the seismic hardware, source parameters, design layout and seismic processing must be considered. We aim to provide...
2015
Seismic Estimation of Point-Bar Sands Using Simple Modeling Procedures
Robert Dennison
Indonesian Petroleum Association
... the reciprocal i.e. i/f, of every frequency point. Once G(w) had been computed an Inverse Fourier Transform converts the wavelet spectrum back into the time domain...
1984
Application of least squares one-way wave migration in irregular sampling data of Bohai Bay Basin
Lv Yongchang, Li Daoshan, Wang Yongming, Meng Jie, Feng Xukui, Hu Dan, Wu Xiaofeng, Kong Zhaoju
International Meeting for Applied Geoscience and Energy (IMAGE)
...) The real source wavelet, especially on land, is spatially variable, and each shot may be different. When there is strong absorption attenuation...
2022
Exploration of the North Seribu Area, Northwest Java Sea
Roberto Fainstein
Indonesian Petroleum Association
... do not vary with offset of receivers or the depth of reflectors. The amplitude spectrum for the effective source wavelet is determined by averaging...
1987
Abstract: Re-establishment of Gradient in Frequency-domain Elastic Waveform Inversion; #90174 (2014)
Ju-Won Oh, Dong-Joo Min, and Felix J. Herrmann
Search and Discovery.com
..., Calgary, AB, Canada Considering that it is not easy to remove only the source wavelet conserving the general inverse theory, we modify the first method...
2014
Abstracts: Seismic Attributes on Frequency-enhanced Seismic Data; #90173 (2015)
Satinder Chopra, Kurt J. Marfurt, Somanath Misra
Search and Discovery.com
... parameters, keeping the time-variant nature of the embedded source wavelet in mind. These windows are usually made to overlap to avoid artifacts. However...
2015