Click to minimize content

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.

Click to maximize content

Welcome to the new Datapages Archives

Search Results   > New Search > Revise Search

The AAPG/Datapages Combined Publications Database

Showing 1,541 Results. Searched 200,619 documents.

< Previous   25   26   27   28   29   Next >

Ascending

Antarctic Sediment Drifts and Plio-Pleistocene Orbital Periodicities (Odp Sites 1095, 1096, and 1101)

Marina Iorio, Thomas Wolf-Welling, Tobias Moerz

Special Publications of SEPM

... stratigraphic data sets, rebinding the unevenly sampled data to equally spaced bins and calculating FAST FOURIER TRANSFORM ANALYSIS them by means...

2004

Scanning Electron Micrographs of Quartz Sand Grains from Cold Environments Examined Using Fourier Shape Analysis

Julian A. Dowdeswell

Journal of Sedimentary Research (SEPM)

...Scanning Electron Micrographs of Quartz Sand Grains from Cold Environments Examined Using Fourier Shape Analysis Julian A. Dowdeswell 1982 Vol. 52...

1982

A gradient-free Bayesian full-waveform inversion approach for background model uncertainty quantification

Shuhua Hu, Zeyu Zhao, Fuchun Gao, Faqi Liu, Shuo Zhang, Mrinal K. Sen

International Meeting for Applied Geoscience and Energy (IMAGE)

... computation of DCT can be achieved by fast Fourier transform (FFT) and multi-dimensional DCT can be easily implemented by applying 1D DCT in each dimension...

2024

Comparison of Quantitative Mineral Analysis By X-Ray Diffraction and Fourier Transform Infrared Spectroscopy

Paul R. Craddock, Michael M. Herron, Susan L. Herron

Journal of Sedimentary Research (SEPM)

...Comparison of Quantitative Mineral Analysis By X-Ray Diffraction and Fourier Transform Infrared Spectroscopy Paul R. Craddock, Michael M. Herron...

2017

PINNslope: Physics-informed neural network slope prediction and interpolation with positional encoding

Francesco Brandolin, Matteo Ravasi, Tariq Alkhalifah

International Meeting for Applied Geoscience and Energy (IMAGE)

... functions (Linear Fourier Features, modified Linear Fourier Features, Random Fourier Features, Gaussian Encoding) are compared to evaluate which one will bene...

2023

Abstract: Characterizing Dipping Fractures from P-wave Amplitude Versus Azimuth Studies; #90187 (2014)

Jon Downton and Hampson Russell

Search and Discovery.com

... the azimuthal Fourier Coefficient (FC) approach of Downton et al. (2011) to model dipping asymmetric fractures obtaining a linearized expression...

Unknown

Impact of Non-Linear Transport Properties on Low Permeability Measurements; #70299 (2017)

Yuan-Yun Lin, Michael T. Myers

Search and Discovery.com

... periodic function to be decomposed into a sum of simple sine waves. We make use of Fourier transform to quantify the magnitude of the nonlinear...

2017

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

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

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

< Previous   25   26   27   28   29   Next >