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The AAPG/Datapages Combined Publications Database
Showing 1,479 Results. Searched 200,630 documents.
Nanoscale Visualization of Gas Shale Pore and Textural Features
Bolivia Vega, Joy C. Andrews, Yijin Liu, Jeff Gelb, Anthony Kovscek
Unconventional Resources Technology Conference (URTEC)
...-CT scanning, energy dispersive X-ray spectroscopy (EDS) and Fourier transform infrared spectroscopy (FTIR) –for mineralogy- are commonplace...
2013
Results and Applications of Geochemical Logging, Duri Field, Riau Province, Sumatra
William A. Hunter, Clive Dodman, Tjatur S. Hartantyo, Bruno Micaud, Rob North
Indonesian Petroleum Association
... analysis provided by Fourier Transform Infrared Spectroscopy, Society of Petroleum Engineers, Paper SPE 18120. Herron, M.M. and Herron, S.L., 1990...
1991
Potential Hydrocarbon at the Foreland of Lengguru Foldbelt - Arguni Bay, Bintuni Basin
Mayesta Gunarto, Gadjah E.Pireno, Agung Roniwibowo, Brian Boslough
Indonesian Petroleum Association
... Transform of seismic data. Fourier Transform divides the seismic into several frequencies that also include amplitude information. It had been observed...
2019
SoundBal: Two-Phase Production Logging by Integrating Mass Balance and DAS-Based Speed of Sound
Peyman Moradi
Unconventional Resources Technology Conference (URTEC)
... a specified time window and across multiple channels into the FK domain, typically using a 2D Fast Fourier Transform (FFT), the SoS can be extracted...
2025
Acoustic waveform inversion with the Lippmann-Schwinger equation constraint
Rahul Sarkar, Biondo Biondi
International Meeting for Applied Geoscience and Energy (IMAGE)
... penalty to higher frequencies. An alternating strategy to minimize Jµ ,λ λ In the above expression, F −1 denotes the inverse Fourier transform, and q(·, z...
2022
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
ABSTRACT: Effects of Fluvial Abrasion on Shapes of Quartz Sand Grains, by Mark Peterson and Jim Mazzullo; #91042 (2010)
Search and Discovery.com
2010
Sources and Nonsources of Beach Sand Along Southern Monterey Bay California--Fourier Shape Analysis
Gerald A. Porter, Robert Ehrlich, Robert H. Osborne, Rodney A. Combellick
Journal of Sedimentary Research (SEPM)
...Sources and Nonsources of Beach Sand Along Southern Monterey Bay California--Fourier Shape Analysis Gerald A. Porter, Robert Ehrlich, Robert H...
1979
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)
... implication on contemporary shelf sedimentation--Fourier Grain Shape Analysis: Jour. Sed. Petrology, in press. EHRLICH, R., AND WEINBERG, B., 1970...
1980
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
Sources and Distribution of Late Pleistocene Sand, Northern Gulf of Mexico Shelf: ABSTRACT
J. M. Mazzullo, C. Bates, D. Reutter, K. Withers
AAPG Bulletin
... paleogeography and alluvial identification. Techniques used to determine the sources of sand are: the Fourier technique (which differentiated sands...
1985
ABSTRACT: Direct Hydrocarbon Indication Using Instantaneous Spectral Analysis; #90017 (2003)
John Castagna
Search and Discovery.com
... excellent time and frequency localization utilizing wavelet transforms to avoid windowing problems that complicate conventional Fourier analysis...
2003
Abstract: Antialiasing 5D Interpolation; #90187 (2014)
Stephen K. Chiu
Search and Discovery.com
..., Houston, USA Abstract Fourier-based minimum weighted norm interpolation (MWNI) has been widely used to regularize land seismic data...
2014
Diagenetic History of Woolly Mammoth (Mammuthus Primigenius) Skeletal Remains from the Archaeological Site Cracow Spadzista Street (B), Southern Poland
Anna Rogoz, Zbigniew Sawlowicz, Piotr Wojtal
PALAIOS
... with energy dispersive spectrometer (SEM-EDS), X-ray diffraction (XRD) and Fourier transform infrared spectroscopy (FTIR) methods. RESULTS...
2012
High-resolution angle gather tomography with Fourier neural operators
Sean Crawley, Guanghui Huang, Ramzi Djebbi, Jaime Ramos, Nizar Chemingui
International Meeting for Applied Geoscience and Energy (IMAGE)
...High-resolution angle gather tomography with Fourier neural operators Sean Crawley, Guanghui Huang, Ramzi Djebbi, Jaime Ramos, Nizar Chemingui High...
2023
Improving Depth Prediction Accuracy of Quantified Drilling Hazards
W. Scott Leaney, William H. Borland
Geological Society of Malaysia (GSM)
..., 1983). This algorithm relies on the fact that a spike at some time will Fourier transform to a harmonic (complex sinusoid) that is defined at all...
1996
The Effects of Fluvial Abrasion on the Shapes of Quartz Sand Grains
Mark Peterson , Jim Mazzullo
GCAGS Transactions
... with the Fourier technique and examined with the scanning electron microscope. The Fourier technique shows that there are no significant changes in the shapes...
1987
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
ABSTRACT: Morphometric Analysis of Sphaeroidinellopsis: New Biostratigraphic Information from Gradually Evolving Lineages, by A. C. Gary, N. Healy-Williams, and D. F. Williams; #91043 (2011)
Search and Discovery.com
2011
Grain Size-Frequency Distributions from Thin-Section Data: NOTES
N. H. Gray
Journal of Sedimentary Research (SEPM)
... Crofts, N.Y. 549 p. STOKES, A. R., 1948. A numerical Fourier-analysis method for the correction of widths and shapes of lines on X-ray powder photographs...
1969
ABSTRACT: Avoiding Pitfalls When Mapping with Personal Computers, by Joseph E. Robinson and Paul D. Willette; #91022 (1989)
Search and Discovery.com
1989
ABSTRACT: Avoiding Pitfalls When Mapping with Personal Computers, by Joseph E. Robinson and Paul D. Willette; #91025 (2010)
Search and Discovery.com
2010
Abstract: Characterizing Spatial Deformation Patterns in a Laramide Rocky Mountain Basin; #90301 (2017)
Cody W. Bomberger, Brianna Berg, Jenica Andersen, Michael H. Hofmann
Search and Discovery.com
... that are important to hydrocarbon exploration. Using techniques from Fourier analysis, expanded into two dimensions, we identify characteristic scales of structural...
2017
Seismic speckle as multiplicative noise explaining land reflections distorted by near-surface scattering
Andrey Bakulin, Dmitry Neklyudov, Ilya Silvestrov
International Meeting for Applied Geoscience and Energy (IMAGE)
... distortions transform during stacking. Figure 1. CMP gather after moveout corrections extracted from the land seismic dataset: (a) after standard processing...
2022