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The AAPG/Datapages Combined Publications Database

Showing 3,530 Results. Searched 187,797 documents.

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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: 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

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 AŽ 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

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

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