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The AAPG/Datapages Combined Publications Database
Showing 3,780 Results. Searched 195,354 documents.
Abstracts: Fractional Fourier Transform in Coherent Noise Attenuation; #90173 (2015)
K. H. Miah and M. D. Sacchi
Search and Discovery.com
...Abstracts: Fractional Fourier Transform in Coherent Noise Attenuation; #90173 (2015) K. H. Miah and M. D. Sacchi AAPG Search and Discovery Article...
2015
Abstract: Multiple and Noise Attenuation with Tau-P Seismic Data Processing
Leong Lap Sau, Ng Tong San
Geological Society of Malaysia (GSM)
... transfrom from the 2-D Fourier transform. Compared to conventional processing in the (x, t) plane, the T-p domain has several advantages. This study...
1990
Abstract: Variable-factor S-transform for Time-frequency Decomposition, Deconvolution, and Noise Attenuation; #90172 (2014)
Todor I. Todorov, Gary F. Margrave
Search and Discovery.com
... decomposition, which improves the resolution of the Gabor transform. The variable-factor S-transform One drawback of the Fourier transform...
2014
Abstract: Land Seismic Noise Suppression: Tough Challenge, Intelligent Implementation, by Khalid Al-Rufaii and Weihong Zhu; #90077 (2008)
Search and Discovery.com
2008
Abstract: Spectral Analyses of 3-D GPR Data Reveal the Morphology of Shoreface Deposits in the Upper Cretaceous Ferron Sandstone Formation, Utah, by Lee Keumsuk, Robert B. Szerbiak, and George A. McMechan; #90078 (2008)
Search and Discovery.com
2008
Abstract: Detecting Stratigraphic Discontinuities using Wavelet and S-Transform Analysis of Well Log Data; #90174 (2014)
Akhilesh K. Verma, Burns A. Cheadle, William K. Mohanty, Aurobinda Routray, and Lalu Mansinha
Search and Discovery.com
...) is a hybrid form of short-time Fourier transform and wavelet transform that provides a measure of the local Fourier frequency spectrum of the time...
2014
Mackenzie Delta: A Case of One Residual Gravity Anomaly and 16 Dry Exploration Wells; #41587 (2015)
Hassan Hassan
Search and Discovery.com
... analysis: IEEE Trans. Inf. Theory, v. 36, p. 961-1005. Hassan, H.H., 2004, Mapping HRAM lineaments using 2-D wavelet transform in the Sundre area, West...
2015
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
Analysis of Spatial Order in Sandstones II: Grain Clusters, Packing Flaws, and the Small-Scale Structure of Sandstones
Christopher M. Prince, Robert Ehrlich, Yannick Anguy
Journal of Sedimentary Research (SEPM)
...) to the examination of small-scale structure in sandstones. The 2-D Fourier transform is a well-known signal analysis tool used in pattern recognition...
1995
Instantaneous Spectral Attributes to Assist 3-D Seismic Interpretation, by Jianlei Liu, Kurt J. Marfurt, and Charlotte Sullivan; #90052 (2006)
Search and Discovery.com
2006
Abstract: Mapping Magnetic Lineaments in the Foothills of Northeastern British Columbia using 2-D Wavelet Transform; #90211 (2015)
Hassan Hassan
Search and Discovery.com
...Abstract: Mapping Magnetic Lineaments in the Foothills of Northeastern British Columbia using 2-D Wavelet Transform; #90211 (2015) Hassan Hassan...
2015
Abstracts: FX Cadzow / SSA Random Noise Filter: Frequency Extension; #90173 (2015)
Alexander Falkovskiy, Elvis Floreani, Gerry Schlosser
Search and Discovery.com
... entries of the same inverse Fourier transform returns the filtered traces. Instead of composing these extended matrices only over space dimensions...
2015
Application of Wave Equation Tomography in Frontier Areas
Tien-when Lo, Guy W. Purnell
Indonesian Petroleum Association
... and Toksoz, 1987): where (ks, kg) is the 2-D Fourier transform of the scattered wavefield, r is the position vector, ks and ks are the wavenumbers...
1990
Identification of Fracture Zone in Field A Using Maximum Entropy Method
Aditya T. Pratama, Leonard J.I. Lisapaly
Indonesian Petroleum Association
... such as Fourier transform or Wigner distribution can be used. In this work, however, the MEM was used to analyze the seismic spectra. The MEM has narrower...
2005
Seismic Migration: Part 7. Geophysical Methods
Ken Larner, David Hale
AAPG Special Volumes
... and a dipping reflector. End_Page 373------------------------ domain. In general, Fourier transform methods provide elegant means of solving partial...
1992
Abstract: Seismic Data Decomposition into Spectral Components Using Regularized Nonstationary Autoregression; #90187 (2014)
Sergey Fomel
Search and Discovery.com
... components. The classic Fourier transform, Radon transform (Gardner and Lu, 1991), wavelet transform (Mallat, 2009), curvelet frame (Herrmann...
2014
Abstract: Full-Waveform Inversion of Field Data in the Foothills: Results and Challenges with Long-Offset Seismic; #90172 (2014)
Andrew J. Brenders, R. Gerhard Pratt, Sylvestre Charles
Search and Discovery.com
..., where is the angular frequency and is a decay constant. The Fourier transform may then be replaced by (1) 2 AAPG...
2014
Three-Dimensional Depth Imaging of Seismic Data, with Examples from the Overthrust Belt of Southwestern Wyoming
Alvin K. Benson
Wyoming Geological Association
.... 34-56. Stolt, R.H., 1978, Migration by Fourier transform: Geophysics, v. 43, p. 23-48. Stolt, R.H., and A.K. Benson, 1986, Seismic migration: Theory...
1995
Three-Dimensional Depth Imaging of Seismic Data to Help Delineate Petroleum Reservoirs in the Williston Basin
Alvin K. Benson
Williston Basin Symposium
..., Migration by Fourier transform: Geophysics, v. 43, p. 23-48. Stolt, R.H. and A.K. Benson, 1986, Seismic Migration: Theory and Practice...
1995
Spectral Decomposition in a Heavy-oil and Bitumen Sand Reservoir
Carmen C. Dumitrescu, Larry Lines
AAPG Special Volumes
...) the discrete Fourier transform (DFT), (2) the continuous wavelet transform (CWT), (3) the time-frequency CWT (TFCWT), and (4) the Stockwell transform...
2013
A 3-D ground-penetrating radar and wavelet transform analysis of the morphology of shoreface deposits in the Upper Cretaceous Ferron Sandstone Member, Utah
Keumsuk Lee, Robert Szerbiak, George A. McMechan, Namsoon Hwang
AAPG Bulletin
...-size, structurally undulating rounded features.A 2-D continuous wavelet transform analysis is applied to the detrended RSs, producing a multiresolution...
2009
Three-Dimensional Depth Imaging of Seismic Data to Assess Subsurface Geology in Northern Utah and Southwestern Wyoming
Alvin K. Benson
Utah Geological Association
... by Fourier transform: Geophysics, v. 43, p. 23–48. Stolt, R.H., and Benson, A.K., 1986, Seismic Migration. Geophysical Press, Amsterdam, The Netherlands...
1999
Fluid Characterization Using 2-D Plots from NMR Logs in North Kuwait Reservoirs
Search and Discovery.com
N/A
Optimum Deconvolution for Seismic Inversion Purposes
M. Suprajitno, L. Nutt, P. Busono
Southeast Asia Petroleum Exploration Society (SEAPEX)
... is used to transform the separated functions back into the space of convolution. A commonly used characteristic system D* is the cascade of Fourier...
1988
Populations, Trends, and Cycles in Combined-Flow Bedforms
Indranil Banerjee
Journal of Sedimentary Research (SEPM)
... of these cycles. Also, statistical testing for cyclicity by autocorrelation function and Fast Fourier Transform (FFT) was done for the dataset...
1996