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The AAPG/Datapages Combined Publications Database
Showing 1,537 Results. Searched 200,293 documents.
Abstract: Automated Scanning of Fine-scale Geological, Petrophysical and Geomechanical Rock Properties and Its Application in Reservoir Characterization
Ramil S. Ahmadov, Greg N. Boitnott
Houston Geological Society Bulletin
... information, a geomechanical probe named the Impulse Hammer, and an FTIR (Fourier Transform Infrared Spectroscopy) probe to provide mineralogical...
2019
Computer Modeling of Minnelusa Formation (Pennsylvanian-Permian) Paleotopography in Eastern Powder River Basin, Wyoming: ABSTRACT
R. Mark Maslyn
AAPG Bulletin
... mi (5 km). Double Fourier transforms are most appropriately used in modeling where such a cyclicity exists. The resulting double Fourier transform...
1982
Fracture Analysis at St
Search and Discovery.com
N/A
ABSTRACT: The Application of 3D Seismic Semblance for Faults and Stratigraphic Features Using Cepstral Decomposition, by Alao, Olatunbosun A.; Adepelumi, Adekunle A.; Ako, Bankole D.; Ofuyah, William N.; #90142 (2012)
Search and Discovery.com
2012
Abstract: Advanced Noise Attenuation Techniques in Seismic Data Processing; #90319 (2018)
Ferhan Ahmed, Constantinos Tsingas, Mohammed AlMubarak
Search and Discovery.com
... and noise decomposition from seismic data is properly represented in a transform domain where the signal appears sparse. Classic transforms...
2018
Abstracts: Revisiting Homomorphic Wavelet Estimation and Phase Unwrapping; #90173 (2015)
Roberto H. Herrera and Mirko van der Baan
Search and Discovery.com
... ( f ) , S( f ) (2) where S ( f ) , W ( f ) and Ν ( f ) are the Fourier transforms of s (t ) , w(t ) and η (n) respectively. A signal can...
2015
Abstract: Properties of Gabor Operators for Seismic Imaging; #90171 (2013)
Michael P. Lamoureux and Gary F. Margrave
Search and Discovery.com
... multipliers used in seismic imaging. Theory of Gabor transforms and multipliers The Gabor transform of a signal is given as a localized Fourier transform...
2013
When the Syn-Depositional Climatic Variations Influence My Source Rock Properties – The Case Study of the Vaca Muerta
Search and Discovery.com
N/A
Fast viscoacoustic forward modeling method based on U-net Fourier neural operator
Wenbin Tian, Yang Liu
International Meeting for Applied Geoscience and Energy (IMAGE)
...; Kjartansson, 1979). Nevertheless, the solution of this fractional visco-acoustic equation requires multiple Fourier transforms due to the involvement...
2023
Theory and Applications of Time Series Analysis to Wireline Logs: Chapter 5
John H. Doveton
AAPG Special Volumes
... signal and high-frequency tool effects. In a comparison of the Fourier transforms of main and repeat logging runs, they showed that they could...
1994
Abstract: Efficency and Accuracy Enhancement for One-way Wave Equation Migration Through Improved Mapping Function in the Time-shift Imaging Condition; #90171 (2013)
Mark Ng
Search and Discovery.com
... such coarse wavefield extrapolation depth steps are employed. Specifically, I incorporate a simple split-step Fourier statics correction term...
2013
Spectral Decomposition Methods: Applicability and Limitations, by Satinder Chopra and Kurt J. Marfurt; #41323 (2014).
Search and Discovery.com
2014
Optical Data Processing of Multispectral Photographs of Sedimentary Structures
Howard J. Pincus , Syed A. Ali
Journal of Sedimentary Research (SEPM)
...-dimensional Fourier transforms (diffraction patterns) of photographs of the same specimen illuminated in five different ways provide a means for comparing...
1968
Abstracts: Interpolation of Nonstationary Seismic Records using a Fast Generalized Fourier Transform; #90173 (2015)
Mostafa Naghizadeh and Kristopher A. Innanen
Search and Discovery.com
.... In the frequency domain, the signal is dyadically segmented (dashed boxes), and within each segment inverse Fourier transforms are applied to the data...
2015
Abstracts: Padé Approximation for Analyzing Multiple Reflections; #90173 (2015)
Dali Zhang, Michael P. Lamoureux, and Gary F. Margrave
Search and Discovery.com
... a derivation of reflection and transmission coefficients in layered media which are related to infinite impulse response (IIR) filters as a rational...
2015
Diagnostic Applications of Borehole Hydraulic Signal Processing
Connor J. Clark, Jennifer L. Miskimins, Dana L. Gallegos
Unconventional Resources Technology Conference (URTEC)
..., accurately, and cost-effectively measured. Hydraulic impulse signals are interpreted in this work by applying the Fourier transform method to pressure...
2018
Abstract: Land Seismic Noise Suppression: Tough Challenge, Intelligent Implementation, by Khalid Al-Rufaii and Weihong Zhu; #90077 (2008)
Search and Discovery.com
2008
Abstract: A Tour of High Resolution Transforms; #90171 (2013)
Mauricio D. Sacchi
Search and Discovery.com
...Abstract: A Tour of High Resolution Transforms; #90171 (2013) Mauricio D. Sacchi A Tour of High Resolution Transforms Mauricio D. Sacchi* Signal...
2013
Antialiasing 5D Interpolation; #41497 (2014)
Stephen K. Chiu
Search and Discovery.com
... 1 ConocoPhillips, Houston, TX, USA ([email protected]) Abstract Fourier-based minimum weighted norm interpolation (MWNI) has been...
2014
A ground roll attenuation method based on CAResU-net with adaptively frequency-induced loss
Siyu Sun, Guosong Tang, Wei Bao, Guofa Li
International Meeting for Applied Geoscience and Energy (IMAGE)
... propose a hybrid loss function by integrating the MSE with an adaptively frequency-induced loss. By leveraging Fourier transform principles...
2024
Abstracts: Evaluation of a Fast Algorithm for the Eigen-Decomposition of Large Block Toeplitz Matrices with Application to 5D Seismic Data Interpolation; #90173 (2015)
Jianjun Gao, Vicente Oropeza, and Mauricio D. Sacchi
Search and Discovery.com
... bidiagonalization with fast block Toeplitz matrix-times-vector multiplications via 4D Fast Fourier Transforms. The presented algorithm leads to significant...
2015
ABSTRACT: Anisotropic Wavefield Extrapolators by Fourier Technique
G. F. Margrave
CSPG Special Publications
...ABSTRACT: Anisotropic Wavefield Extrapolators by Fourier Technique G. F. Margrave 1998 106 106...
1998
Enso and Sunspot Cycles in Varved Eocene Oil Shales from Image Analysis
Maurizio Ripepe , Lillian T. Roberts , Alfred G. Fischer
Journal of Sedimentary Research (SEPM)
..., but in the search for 4-100 year periodicities this is of no account. Like Crowley et al. (1986), we produced Fourier analyses (by fast Fourier transforms...
1991
The Sample Support Problem for Permeability Assessment in Sandstone Reservoirs
Y. Anguy, R. Erlich, C. M. Prince, V. L. Riggert, and D. Bernard
AAPG Special Volumes
... sample size can be determined by measuring the scales of structural complexity using Fourier transforms of the image of the porous microstructure...
1994