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The AAPG/Datapages Combined Publications Database
Showing 1,338 Results. Searched 195,354 documents.
Quantification of Fracture Systems Using Fourier Analysis
Search and Discovery.com
N/A
The Effect of Hydrofluoric Acid on Quartz Shape--Fourier Grain Shape Analysis: METHOD PAPER
Douglas J. Schultz
Journal of Sedimentary Research (SEPM)
... twenty terms of a closed-form Fourier Series. EHRLICH, R., ORZECK, J., AND WEINBERG, B., 1974, Detrital quartz as a natural tracer-Fourier grain shape...
1980
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
Relationship Between Test Morphology and Bathymetry in Recent Bolivina albatrossi Cushman, Northwestern Gulf of Mexico: ABSTRACT
Anthony C. Gary
AAPG Bulletin
... 1422 1422 69 9. (September) An automated video digitizer and closed-form Fourier series analysis were used in this study to quantify benthic...
1985
A Comparison of Fourier and Fractal Techniques in the Analysis of Closed Forms
Stephen K. Kennedy, Wei-Hsiung Lin
Journal of Sedimentary Research (SEPM)
...A Comparison of Fourier and Fractal Techniques in the Analysis of Closed Forms Stephen K. Kennedy, Wei-Hsiung Lin 1992 Vol. 62 No. 5. (September...
1992
Abstract: Fourier Domain Regularization 5D and More; #90174 (2014)
V. Khatchatrian
Search and Discovery.com
...Abstract: Fourier Domain Regularization 5D and More; #90174 (2014) V. Khatchatrian AAPG Datapages/Search and Discovery Article #90174 CSPG©2014 CSPG...
2014
Abstract: Numerical Classification of Sandstone Pore Structure, by J. C. Davis, F. W. Preston; #90972 (1976).
Search and Discovery.com
1976
ABSTRACT: Estimating thermal maturity, generation potential and mineralogical composition of oil shale and post-pyrolysis residues using Fourier transform infrared spectroscopy
Justin E. Birdwell
The Society for Organic Petrology (TSOP)
... applied Fourier transform (FT) IR spectroscopy in a series of studies of oil shales from the Mahogany zone of the Eocene Green River Formation collected...
2010
Fast viscoacoustic forward modeling method based on U-net Fourier neural operator
Wenbin Tian, Yang Liu
International Meeting for Applied Geoscience and Energy (IMAGE)
...Fast viscoacoustic forward modeling method based on U-net Fourier neural operator Wenbin Tian, Yang Liu Fast viscoacoustic forward modeling method...
2023
Abstracts: Application of Fractional Fourier Transform in Cepstrum Analysis; #90173 (2015)
K. H. Miah, R. H. Herrera, M. van der Baan, and M. D. Sacchi
Search and Discovery.com
...Abstracts: Application of Fractional Fourier Transform in Cepstrum Analysis; #90173 (2015) K. H. Miah, R. H. Herrera, M. van der Baan, and M. D...
2015
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)
..., i.e., the coefficients of the Fourier series of the output functions are learned from the data. FNO is composed of the lifting layer that lift the input...
2023
An Application of Optical Fourier Analysis to the Study of Geological Linear Features in ERTS-1 Imagery of California
Aderbal C. Corrêa, Ronald J. P. Lyon
Utah Geological Association
...An Application of Optical Fourier Analysis to the Study of Geological Linear Features in ERTS-1 Imagery of California Aderbal C. Corrêa, Ronald J. P...
1974
Abstract: Tau-P Seismic Data Processing: Fast Slant Stack Using the Hartley Transform
Leong Lap Sau, Ng Tong San
Geological Society of Malaysia (GSM)
... 1Universiti Sains Malaysia 2PETRONAS Carigali Sdn. Bhd. A primary objective of seismic data processing is to recover the reflection series from a recorded...
1991
Abstract: Quantitative Paleobathymetry Using Geochemistry and Shape Analysis of Benthic Foraminifera, Offshore Gulf of Mexico
Douglas F. Williams , Anthony C. Gary , Nancy Healy-Williams
GCAGS Transactions
... foraminifera using fourier series analysis have shown that many taxa exhibit shape changes which are also correlatable to known environmental variables...
1988
Seismic Time-Frequency Analysis by Empirical Mode Decomposition; #41513 (2015)
Jiajun Han, Mirko van der Baan
Search and Discovery.com
... Fourier transform. Application on field data thus offers the potential of highlighting subtle geologic structures that might otherwise escape...
2015
Abstract: Azimuthal Fourier Coefficients: A Simple Method to Estimate Fracture Parameters; #90174 (2014)
Jon Downton and Benjamin Roure
Search and Discovery.com
...) and then Sayers and Dean (2001) demonstrated that it is possible to express the azimuthal AVO reflectivity response in terms of a Fourier series as a function...
2014
Fold Geometry Within Part of Michigan Basin, Michigan
E. H. Timothy Whitten , Walter A. Beckman, Jr.
AAPG Bulletin
... values. These descriptors are calculated for the folded bedding planes simulated by a double Fourier series surface-fitting technique. The Dundee...
1969
Use of Computers by Geologists: Abstract
Daniel F. Merriam
Tulsa Geological Society
..., and cosine-theta) harmonic analysis (includes time series, Fourier and power-spectrum analysis) auto- and cross-association PCA (principal component...
1967
Grain Shape Analysis--Application to Problems of Sediment Source and Transport: ABSTRACT
Jim Mazzullo
AAPG Bulletin
... of quartz grains contain a valuable record of their source and transport history. Grain shape can be measured with a Fourier series in closed form, which...
1982
Petroleum Exploration--Real World Examples Using Microcomputers: ABSTRACT
R. Mark Maslyn
AAPG Bulletin
... of double Fourier series to model oil-productive paleotopography in the eastern Powder River basin of Wyoming. Geophysicists are more accustomed...
1982
Abstracts: Empirical Mode Decomposition and Robust Seismic Attribute Analysis; #90173 (2015)
Jiajun Han and Mirko van der Baan
Search and Discovery.com
... that obtained using traditional time-frequency analysis tools, such as Fourier transform and wavelet transforms. Also known as the Hilbert-Huang transform...
2015
The Origin of Shape Frequency Distributions and the Relationship Between Size and Shape
Robert Ehrlich, P. Jeffrey Brown , Jeffrey M. Yarus , Robert S. Przygocki
Journal of Sedimentary Research (SEPM)
... variables, the Fourier technique allows compartmentalizing of the maximum projection profile of quartz (or any other) particles into a series...
1980
Finite Difference Modeling: Part II: How to clean numeric time dispersion
Lasse Amundsen, Ørjan Pedersen, Martin Landrø
GEO ExPro Magazine
... dispersion implies that the higher frequency components of the signal propagate at the wrong speed. Here we show how the Fourier transform can be used...
2018
An Exact Method for Characterization of Grain Shape
Robert Ehrlich, Bernhard Weinberg
Journal of Sedimentary Research (SEPM)
... as precisely as needed by Fourier series expansion of the radius about the center of mass utilizing coordinates of peripheral points. Empirical results...
1970
The Effects of Fluvial Abrasion on the Shapes of Quartz Sand Grains
Mark Peterson , Jim Mazzullo
GCAGS Transactions
... series inclosed form (Ehrlich and Weinberg, 1970). In a Fourier analysis, the digitized shape is partitioned into a series of 23 standard shape...
1987