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The AAPG/Datapages Combined Publications Database
Showing 1,338 Results. Searched 195,387 documents.
Gabor Depth Migration using a New Adaptive Partitioning Algorithm
Yongwang Ma
Search and Discovery.com
... migration, the temporal Fourier transform is applied to the input seismic data to transform to the frequency domain. Then the spatial Fourier...
Unknown
Efficient subsurface carbon storage modeling with Fourier neural operator
Suraj Pawar, Pandu Devarakota, Faruk O. Alpak, Jeroen Snippe, Detlef Hohl
International Meeting for Applied Geoscience and Energy (IMAGE)
..., the Fourier layer can be written as follows: ℱ ℛ ∙ ℱ(𝑧 ) , where ℱ is the Fast Fourier Transform (FFT) and is applied each channel...
2023
Application of Robust Noise Reduction on a Land 3D Seismic Data
Agus Abdullah, Jesse Shaw
Indonesian Petroleum Association
... of a spatial Fourier transform: (1) − Lxc ks r ∞ ~ GBj ( s, f ) = eikr ros ∫ ω + (ros − rd )... j −∞ λ λ r ... exp i 2π n − n d...
2012
Abstracts: Gabor Multipliers for Seismic Modeling and Wavefield Propagators; #90173 (2015)
Michael P. Lamoureux, Gary F. Margrave, and Peter C. Gibson
Search and Discovery.com
... by Gabor multipliers and generalized frame operators. These numerical algorithms are based on a localized version of the Fourier transform and share many...
2015
-- no title --
user
Search and Discovery.com
... Fourier transform (SWFT) (Partyka, 1999), Morlet wavelet based wavelet transform (MWT) (X. Miao & W. Moon, 1994, Casatagna, 2003), and Matching Pursuit...
Unknown
-- no title --
user
Search and Discovery.com
... Fourier transform (SWFT) (Partyka, 1999), Morlet wavelet based wavelet transform (MWT) (X. Miao & W. Moon, 1994, Casatagna, 2003), and Matching Pursuit...
Unknown
Abstract: Reflectivity Color Correction in Gabor Deconvolution; #90211 (2015)
Carlos Montana and Gary Margrave
Search and Discovery.com
...) is the reflectivity, and where Q is the attenuation parameter and H indicates the Hilbert transform operation. Equation (2) states that the Fourier transform...
2015
Mackenzie Delta: A Case of One Residual Gravity Anomaly and 16 Dry Exploration Wells; #41587 (2015)
Hassan Hassan
Search and Discovery.com
... in the Foothills of Northeastern British Columbia using 2D Wavelet Transform* Hassan Hassan1 Search and Discovery Article #41587 (2015)** Posted March 16...
2015
Abstract: Identifying Lithology Variation and Gas Occurrence in Deep Carbonate Reservoirs Using S Transform, by Zhao Zhang and Yuefeng Sun; #90124 (2011)
Search and Discovery.com
2011
Abstract: Inversion Approach to Calculate Instantaneous Frequency; #90174 (2014)
Jiajun Han and Mirko van der Baan
Search and Discovery.com
.... The short-time Fourier transform with a 170ms time window (Figure 4) does not distinguish the two Ricker wavelets clearly at 1.1s due to its fixed time...
2014
Enhancing Seismic Insight by Spectral Decomposition, #41534 (2015).
Xiaogui Miao, Dragana Todorovic-Marinic, Tyler Klatt
Search and Discovery.com
... utilized spectral decomposition methods include Short windowed Fourier transform (SWFT) (Partyka et al., 1999), Morlet wavelet based wavelet transform...
2015
Abstract: Prestack Depth Migration with the Gabor Transform; #90211 (2015)
Yongwang Ma and Gary Margrave
Search and Discovery.com
...-interpolation (GPSPI) wavefield extrapolation using a Gabor, or windowed Fourier, transform to localize the wavefield. The key to an efficient algorithm...
2015
Creating Singularity Order Attribute of Seismic Signals Using Continuous Wavelet Transform (CWT) for Stratigraphic Interpretation Tools
A.M. Ustad, M.S. Jaya, F.J. Herrman
Indonesian Petroleum Association
... (Herrmann and Stark, 1999). Fractional differentiation/integration is defined by Fourier transform (Zähle, 1995), ) dβ β f (t ) α (iω ) f (ω ) β dt...
2007
POCS Method for Seismic Data Reconstruction of Irregularly Sampled Data
Elwyn J. Galloway
Search and Discovery.com
... is the fourier transform operator, T k is a threshold operator, and B is a band-limiting operator. The threshold operator acts to remove any points below...
Unknown
POCS Method for Seismic Data Reconstruction of Irregularly Sampled Data
Elwyn J. Galloway
Search and Discovery.com
... is the fourier transform operator, T k is a threshold operator, and B is a band-limiting operator. The threshold operator acts to remove any points below...
Unknown
Abstracts: Accurate Declipping Hybrid Algorithm for Ground Penetrating Radar Data; #90173 (2015)
Akshay Gulati and R. J. Ferguson
Search and Discovery.com
... combination of Kaiser Bessel Non uniform fast Fourier transform (NFFT) and Projection on Convex Set (POCS) to restore clippings. This algorithm is tested...
2015
Abstract: Restoration of Seismic Amplitude Using a Frequency-Dependent Gain Function, by Weihong Zhu and Khalid O. Al-Rufaii; #90077 (2008)
Search and Discovery.com
2008
ABSTRACT: Full Data Reconstruction of 3-D Wide Azimuth Data Using Sparse Radon Transforms, by Tsingas, Constantine; Verschuur, Eric; #90141 (2012)
Search and Discovery.com
2012
Abstract: Spectral Decomposition Applications; #90211 (2015)
Satinder Chopra, John Castagna, and Vladimir Alexeev
Search and Discovery.com
..., viz the Discr ete Fourier Transform (DFT) met hod (Partyka et al 1999) and the Inst antaneous Spectral Analysis (I SA) (wavelet transform) method...
2015
Abstract: Reservoir Characterization of Complex Proglacial Ribbon Channels Through Integration of Seismic Attribute, Spectral Decomposition and Subsurface Geological Datasets: The Upper Ordovician Sarah Formation in Northern Arabia; #90310 (2017)
Mohammed Y. Aldakheel, Hamad Alghenaim, Andrew Rees, Fahad Amry
Search and Discovery.com
... and base of the reservoir. Blended RGB (red, blue and green) spectral decomposition has proven particularly useful with discrete Fourier transform (DFT...
2017
Abstract: Reservoir Characterization of Complex Submarine Channel Systems through Integrated Advanced Seismic Imaging and Geological Modelling: The Upper Ordovician Sarah Formation in Northern Arabia; #90319 (2018)
Mohammed Y. Aldakheel, Hamad Alghenaim, Andrew Rees, Fahad Amry
Search and Discovery.com
... and base of the reservoir. Blended RGB (red, blue and green) spectral decomposition has proven particularly useful with discrete Fourier transform (DFT...
2018
Abstract: Estimation of Dispersive Parameters of Surface Wave Using the Generalized S Transform; #90187 (2014)
Roohollah Askari and Robert J. Ferguson
Search and Discovery.com
... dispersive medium and noisy data. Theory The S transform is a time-frequency spectral localization method that is similar to the short-time Fourier...
2014
ABSTRACT: Microanalyses of organic matter in coals and gas shales: A Review
Zhongsheng Li, Colin R. Ward, Neil Sherwood, Peter Fredericks
The Society for Organic Petrology (TSOP)
... of these processes. Numerous recent developments in electron microprobe, scanning electron microscope (SEM), Fourier transform infrared, and computerised...
2012
Abstract: Multi-component or Vector Dip Filtering Using the S-transform; #90187 (2014)
Kristof De Meersman and Majda Mihoub
Search and Discovery.com
... Fourier transform and the Gabor transform. It also shares many properties with wavelet transforms. The main difference is that the wavelet transform works...
2014
Abstract: Empirical Mode Decomposition Based Instantaneous Spectral Analysis and its Applications to Heterogeneous Petrophysical Model Construction; #90171 (2013)
Jun-Wei Huang and Bernd Milkereit
Search and Discovery.com
..., such as windowed Fourier transform, wavelet transform, S-transform and Matching Pursuit Decomposition, etc. This paper described the Hilbert-Huang...
2013