Welcome to the new Datapages Archives
Datapages has redesigned the Archives with new features. You can search from the home page or browse content from over 40 publishers and societies. Non-subscribers may now view abstracts on all items before purchasing full text. Please continue to send us your feedback at emailaddress.
AAPG Members: Your membership includes full access to the online archive of the AAPG Bulletin. Please login at Members Only. Access to full text from other collections requires a subscription or pay-per-view document purchase.
Welcome to the new Datapages Archives
Search Results > New Search > Revise Search
The AAPG/Datapages Combined Publications Database
Showing 1,541 Results. Searched 200,693 documents.
Velocity continuation with Fourier neural operators for accelerated uncertainty quantification
Ali Siahkoohi, Mathias Louboutin, Felix J. Herrmann
International Meeting for Applied Geoscience and Energy (IMAGE)
... as a double linearized PDE solve. The main components of FNOs are the Fourier layers, which involve a Fourier transform over the spatial dimensions...
2022
Analysis of Fracture Injection Tests using Signal Processing Approach
I. Eltaleb, A. Rezaei, F. Siddiqui, M. M. Awad, M. Mansi, B. Dindoruk, M. Y. Soliman
Unconventional Resources Technology Conference (URTEC)
... transforms are conventional techniques for signal analysis. Fourier transform is applied for stationary signals, that is, signals whose properties do...
2020
Comparison of Seismic Reconvolution and Gabor Deconvolution in Improving Seismic Images to Detect Local Fluid Trapping
Madaniya Oktariena, Wahyu Triyoso
Indonesian Petroleum Association
... a Butterworth wavelet instead. GABOR DECONVOLUTION Gabor Transform is a modification of Fourier Transform to address a non-stationary behavior...
2016
End-Member Feldspar Concentrations Determined by FTIR Spectral Analysis
Abigail Matteson, Michael M. Herron
Journal of Sedimentary Research (SEPM)
...-squares curve-fitting of Fourier transform infrared spectra with applications to polymer systems: Applied Spectroscopy, v. 31, p. 518-524. BROWN...
1993
Abstract: 5D Matching Pursuit Fourier Interpolation of Sparse Irregular Land Geometry, by W. Gamal Eldin, A. Zarkhidze, B. Hootman, and M. Schonewille, #90188 (2014)
Search and Discovery.com
2014
Abstract: Azimuthal Fourier Coefficient Elastic Inversion; #90174 (2014)
Benjamin Roure and Jon Downton
Search and Discovery.com
...Abstract: Azimuthal Fourier Coefficient Elastic Inversion; #90174 (2014) Benjamin Roure and Jon Downton AAPG Datapages/Search and Discovery Article...
2014
Fast self-supervised learning for reconstruction of 3D seismic data
Yinshuo Li, Wenkai Lu, We Cao
International Meeting for Applied Geoscience and Energy (IMAGE)
... extractor, and a skip connection. The global waveform extractor consists of real fast Fourier transform, complex convolutional layer, complex PReLU...
2024
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: Maximum Entropy Acquisition Design and Optimal Interpolation; #90187 (2014)
Mauricio D. Sacchi, Mafijul Islam Bhuiyan, and Nasser Kazemi
Search and Discovery.com
... s(n, m) = 1 when there is an observation and s(n, m) = 0 when the grid point is empty. It is possible to show that the Discrete Fourier Transform (DFT...
2014
Seismic sparse time-frequency representation via GAN-based unsupervised learning
Youbo Lei, Yang Yang, Naihao Liu, Shengtao Wei, Jinghuai Gao, Xiudi Jiang
International Meeting for Applied Geoscience and Energy (IMAGE)
... to verify its effectiveness and compare it with STFT and sparse STFT. SPARSE SHORT-TIME FOURIER TRANSFORM STFT is an effective tool to transform 1D seismic...
2022
Abstract: Harmonic Decomposition of a Vibroseis Sweep Using Gabor Analysis; #90174 (2014)
Christopher B. Harrison, Gary Margrave, Michael Lamoureux, Art Siewert, and Andrew Barrett
Search and Discovery.com
... factor!) The Gabor transform is a nonstationary generalization of the Fourier transform (Margrave et al 2004). Applying the continuous Gabor transform...
2014
Recognition of Sandstone Depositional Environment: A Grain-Shape Approach, With Example from North Padre Island: ABSTRACT
Jim Mazzullo, Donald Sims
AAPG Bulletin
... 1983 1468 1468 67 9. (September) The shapes of 8,000 fine quartz sand grains from Malaquite Beach, North Padre Island, were analyzed with the Fourier...
1983
Using New Techniques to Extract Stratigraphic Information from Seismic Data in Tight Gas Reservoirs
Heidy Correa, Fa Dwan, David Potter
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... There are several techniques available for spectral decomposition, including DFT (discrete fourier transform), MEM (maximum entropy method), CWT (continuous...
2009
Synthetic Stratigraphy with a Stochastic Diffusion Model of Fluvial Sedimentation
Jon D. Pelletier, Donald L. Turcotte
Journal of Sedimentary Research (SEPM)
.... This is a Gaussian noise sequence. Adjacent values are totally uncorrelated. (2) A discrete Fourier transform is taken of the random values. The Fourier coefficients...
1997
Spectral Induced Polarization: A New Way for Hydrocarbon Prospect Prediction
Feisal Dirgantara
Indonesian Petroleum Association
..., the stack is divided by the number of cycles to obtain an average waveform for each channel. At this point, a Fast Fourier Transform (FFT) is performed...
2008
A successful story of working with towed streamer and ocean-bottom node data on interpolation and image enhancement
Heather Yao, Amr Elsabaa, Nathaniel Cockrell, Dawit Desta, Ruoyu Gu, Christina Tapia, Nigel Hicks, Lauren Peschier
International Meeting for Applied Geoscience and Energy (IMAGE)
... used matching pursuit Fourier interpolation (MPFI) (Schonewille et al., 2013) to interpolate gaps and regularize the migration input. MPFI is a Fourier...
2024
High-resolution imaging in the Campos Basin using legacy seismic acquisition
David Brookes, Darrell Armentrout, Milos Cvetkovic, Terry Johnson, Trish Sullivan
International Meeting for Applied Geoscience and Energy (IMAGE)
... interpolation was a challenge. A sparse Anti-Leakage Fourier Transform (ALFT) (Xu, 2005) interpolation method was originally used on this data. While the ALFT...
2023
The emergence and impact of scientific machine learning in geophysical exploration
Umair bin Waheed
International Meeting for Applied Geoscience and Energy (IMAGE)
... in the field of geophysical modeling and inversion using emerging SciML paradigms, including physics-informed neural networks (PINNs), Fourier neural...
2023
Identifying Spikes in Sonic Slowness and in Resistivity in the Tuscaloosa Marine Shale Using Continuous Wavelet Transform
Carol Wicks, Samiha Naseem
GCAGS Journal
... is a Fourier Transform windowing technique that uses variable sized windows. Mathematically, the wavelet analysis is a convolution of a wavelet function...
2017
Abstracts: Padé Approximation for Analyzing Multiple Reflections; #90173 (2015)
Dali Zhang, Michael P. Lamoureux, and Gary F. Margrave
Search and Discovery.com
... to transform to the Fourier (or other) domain. We set up the Padé approximation problem using the seismic data directly, with some choice on the rational...
2015
Fourier Grain-Shape Analysis of Coastal and Inner Continental-Shelf Sand Samples: Oceanside Littoral Cell, Southern Orange and San Diego Counties, Southern California
Robert H. Osborne, Chia-Chen Yeh
Special Publications of SEPM
... employed in this report makes use of the newer This and more widely used Fast Fourier Transform FFT involves the calculation of many values...
1991
Abstract: Seismic Denoising by Time-Frequency Reassignment; #90174 (2014)
Li Han, David Bonar, and Mauricio Sacchi
Search and Discovery.com
... Reassignment The well-known Short Time Fourier Transform (STFT) of the signal x(t ) can be defined as, G(t, ) x( )h* ( t )e i d , (1...
2014
Deep-Water Depositional Facies and Reservoir Quality Evaluation Based on Fourier Analysis of Gamma-Ray Logs
Fillon, Richard H., Lawless, Paul N.
GCAGS Transactions
... Fourier transform, the simpler fast Fourier transform (FFT) algorithm and wavelet analysis (WA), has effectively demonstrated cyclicity in well log proxy...
2002
Chemostatistic allocation of shale oil production using acidic heterocompounds
Yuanjia Han, Brian Horsfield, Nicolaj Mahlstedt, and Mareike Noah
AAPG Bulletin
... negative-ion ESI(−) Fourier transform ion cyclotron resonance mass spectrometry. A total of 2 oils and 5 mixtures thereof prepared in the laboratory, 4...
2021
Suppression of coherent and random noise using adaptive thresholding method in seismic-while-drilling
Yue Ma, Yujin Liu
International Meeting for Applied Geoscience and Energy (IMAGE)
... spectra of the data 𝑑(𝑡, 𝑥) obtained by a 2D Fourier transform. Since the energy of coherent noise and background random noise are usually...
2022