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 1,338 Results. Searched 195,354 documents.

< Previous   2   3   4   5   6   Next >

Ascending

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)

... of precision by use of a Fourier series in closed form (Ehrlich and Weinberg, 1970). Each shape is represented by a series of terms ("harmonics"). Each...

1979

Seismic Enhancement Resolution in Penobscot Field With Short-Time Fourier Transform Half Cepstrum Method

Taufiq Brilliant Askari, Intan Andriani Putri

Indonesian Petroleum Association

...Seismic Enhancement Resolution in Penobscot Field With Short-Time Fourier Transform Half Cepstrum Method Taufiq Brilliant Askari, Intan Andriani...

2022

Abstract: UNDERSTANDING STRUCTURE AND MOLECULAR COMPOSITION OF KEROGEN IN MARCELLUS SHALE MATURITY SERIES; #90298 (2017)

Vikas Agrawal

Search and Discovery.com

...Abstract: UNDERSTANDING STRUCTURE AND MOLECULAR COMPOSITION OF KEROGEN IN MARCELLUS SHALE MATURITY SERIES; #90298 (2017) Vikas Agrawal UNDERSTANDING...

2017

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

Abstracts: Accurate Declipping Hybrid Algorithm for Ground Penetrating Radar Data; #90173 (2015)

Akshay Gulati and R. J. Ferguson

Search and Discovery.com

... combination of Kaiser Bessel Non uniform fast Fourier transform (NFFT) and Projection on Convex Set (POCS) to restore clippings. This algorithm is tested...

2015

Origin of Patterns of Quartz Sand Types on the Southeastern United States Continental Shelf and Implications on Contemporary Shelf Sedimentation--Fourier Grain Shape Analysis

P. Jeffrey Brown , Robert Ehrlich, Donald J. Colquhoun

Journal of Sedimentary Research (SEPM)

... of precision by use of a Fourier series in closed form. Each shape is represented by a series of terms ("harmonics"). Each term is of the form: Rn cos (n-n...

1980

Abstract: Inversion Approach to Calculate Instantaneous Frequency; #90174 (2014)

Jiajun Han and Mirko van der Baan

Search and Discovery.com

... components are recovered with the highest time-frequency resolution. Time series Short time Fourier transform 2.5 200 2 180 9 8 160 1.5 7 140...

2014

Target-Oriented Parameters for Curvature Attributes Computation; #42146 (2017)

Lee Hunt, Bahaa Beshry, Satinder Chopra, Cole Webster

Search and Discovery.com

... along horizontal wells. One of the methods of computing seismic volumetric curvature attribute involves Fourier filtering, and has gained widespread...

2017

Seismic Estimation of Point-Bar Sands Using Simple Modeling Procedures

Robert Dennison

Indonesian Petroleum Association

... the convolution concept by using Fourier Transformation of the time series. The advantage of Fourier Transformer is that it converts convolution in the time...

1984

A Preliminary Study of the Relationship Between Test Morphology and Bathymetry in Recent Bolivina Albatrossi Cushman, Northwestern Gulf of Mexico

Anthony C. Gary

GCAGS Transactions

... Anthony C. Gary 1985 Vol. 35 (1985), An automated video digitizer and closed-form Fourier series analysis are used in this study to quantify benthic...

1985

New Techniques for Stratigraphic Analysis and Correlation--Fourier Grain Shape Analysis Louisiana Offshore Pliocene

John V. Mrakovich, Robert Ehrlich, Bernhard Weinberg

Journal of Sedimentary Research (SEPM)

...New Techniques for Stratigraphic Analysis and Correlation--Fourier Grain Shape Analysis Louisiana Offshore Pliocene John V. Mrakovich, Robert Ehrlich...

1976

Abstract: Reflectivity Color Correction in Gabor Deconvolution; #90211 (2015)

Carlos Montana and Gary Margrave

Search and Discovery.com

... to honour color in the reflectivity series. This color correction is just possible when enough well-log information is available to build...

2015

Optimized characterization workflow for naturally fractured reservoirs using seismic anisotropy attributes in the Middle Magdalena Valley basin, Colombia

Oscar Moreno, Enrique Casaña, Luis Figuera, Iván Higuera, Diego García, Jorge Acosta, Benjamin Roure

International Meeting for Applied Geoscience and Energy (IMAGE)

... methodology exploits sinusoidal behavior of amplitude variation with azimuth, and represents the reflectivity equation as a Fourier series, which is a sum...

2023

Abstracts: FX Cadzow / SSA Random Noise Filter: Frequency Extension; #90173 (2015)

Alexander Falkovskiy, Elvis Floreani, Gerry Schlosser

Search and Discovery.com

... of using only spatial dimensions for composing these matrices we propose to add a frequency dimension to create an extended matrix from a series...

2015

Shape difference of mud clasts depending on depositional facies: application of newly modified elliptic Fourier analysis to hybrid event beds

Sojiro Fukuda, Hajime Naruse

Journal of Sedimentary Research (SEPM)

...., and Utsumiya, K., 2003, A 3D data representation method and its application using Fourier series: a 3D modeling method Based on 2D image filtering...

2020

Abstract: Applying the Phase Congruency Algorithm to Seismic Data Slices … A Carbonate Case Study; #90171 (2013)

Brian Russell, Dan Hampson, and John Logel

Search and Discovery.com

... that the individual terms in a Fourier series will be in-phase at a step, and (b) shows a polar plot of the real and imaginary Fourier used to compute phase...

2013

Tuscarora Sandstone (Silurian), Central Pennsylvania: Preliminary Quantitative Grain Shape Analyses of Cotter's (1982) Facies--Fluvial, Estuarine, Beach, and Marine(?) Shelf: ABSTRACT

James M. Parks, Robert A. Gallagher, Edward Cotter

AAPG Bulletin

... unmodified. Preliminary results comparing the Fourier Analysis (FA) methods of Ehrlich and colleagues (1970 to 1982) and Boon (1982) with the Rotat d...

1982

Relationship of Morphologic Variation and Environment in Recent Bolivina (Foraminiferida) from Northwestern Gulf of Mexico: ABSTRACT

Anthony C. Gary, Nancy Healy-Williams

AAPG Bulletin

..., was quantified by an automated video digitizer using closed-form Fourier series anal ses. Significant variations in shape outline components were tested...

1984

< Previous   2   3   4   5   6   Next >