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The AAPG/Datapages Combined Publications Database

Showing 1,537 Results. Searched 200,357 documents.

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Abstracts: Gabor Multipliers for Seismic Modeling and Wavefield Propagators; #90173 (2015)

Michael P. Lamoureux, Gary F. Margrave, and Peter C. Gibson

Search and Discovery.com

... by Gabor multipliers and generalized frame operators. These numerical algorithms are based on a localized version of the Fourier transform and share many...

2015

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

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

Deep learning seismic full-waveform inversion and transient EM joint inversion for near surface velocity modeling

Daniele Colombo, Ernesto Sandoval-Curiel, Ersan Turkoglu, Weichang Li

International Meeting for Applied Geoscience and Energy (IMAGE)

...-Fourier domain. The Laplace-Fourier domain is chosen to transform the field data where the secondary arrivals, such ground roll, can be effectively...

2022

Simultaneous source acquisition, accuracy, and deblending

Ray Abma

International Meeting for Applied Geoscience and Energy (IMAGE)

..., and when the inverse Fourier transform is applied, an estimate of the signal is obtained. This estimate of the signal is used to remove both...

2024

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

Jiajun Han and Mirko van der Baan

Search and Discovery.com

.... The short-time Fourier transform with a 170ms time window (Figure 4) does not distinguish the two Ricker wavelets clearly at 1.1s due to its fixed time...

2014

Abstract: 5D Interpolation of Seismic Data with Combination of MWNI and POCs Algorithm; #90187 (2014)

Jianhua Pan, Gerry Schlosser, Elvis Floreani, and Robert Tilson

Search and Discovery.com

.... Each iteration consists of a 4D Fourier transformation of the data, an application of a threshold to the transformed data removing low amplitudes...

2014

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)

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

2020

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)

..., Fourier Coefficient and Fourier Coefficient residuals, all of them, assume fractured formations are an HTI medium (Figure 1). Figure 1: Methods...

2023

ABSTRACT: Microanalyses of organic matter in coals and gas shales: A Review

Zhongsheng Li, Colin R. Ward, Neil Sherwood, Peter Fredericks

The Society for Organic Petrology (TSOP)

... of these processes. Numerous recent developments in electron microprobe, scanning electron microscope (SEM), Fourier transform infrared, and computerised...

2012

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

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N/A

Utilizing Variably Integrated Spectral Frequency to Extract Entire Fluvial Systems

Pongthep Thongsang, Mirza Naseer Ahmad

Indonesian Petroleum Association

.... Although it is not an absolute values as Fourier transform but it measures similarity between a mother wavelet and a seismic signal (relative frequency...

2013

Migration Amplitude Recovery using Curvelets

Peyman P. Moghaddam

Search and Discovery.com

... the action of Fourier integral operators. They stated that under some condition a curvelet maps to another curvelet under the action of Fourier Integral...

Unknown

ABSTRACT: Examples of Enhanced Spectral Processing in Direct Hydrocarbon Detection; #90007 (2002)

Sun, Shengjie, John P. Castagna, Robert W. Siegfried

Search and Discovery.com

... transform may even provide misleading frequency features. Although the short window Fourier transform has been employed to provide the localization...

Unknown

Migration Amplitude Recovery using Curvelets

Peyman P. Moghaddam

Search and Discovery.com

... the action of Fourier integral operators. They stated that under some condition a curvelet maps to another curvelet under the action of Fourier Integral...

Unknown

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

... the traditional Gabor transform. The first steps in the 2D phase congruency algorithm are to transform the data to the 2D Fourier domain, then apply...

2013

Abstract: Variable-factor S-transform for Time-frequency Decomposition, Deconvolution, and Noise Attenuation; #90172 (2014)

Todor I. Todorov, Gary F. Margrave

Search and Discovery.com

... decomposition, which improves the resolution of the Gabor transform. The variable-factor S-transform One drawback of the Fourier transform...

2014

Multichannel compressive sensing for seismic data reconstruction using joint sparsity

Iga Pawelec, Michael Wakin, Paul Sava

International Meeting for Applied Geoscience and Energy (IMAGE)

... distances to reconstruct data with one varying spatial coordinate, while Xu et al. (2005, 2010) propose an antileakage version of the Fourier transform...

2022

Hybrid 3D Marine Towed-Streamers and Ocean-Bottom Nodes Survey - Challenges and Solutions for Seismic Data Processing and Imaging

Wai Leng Cheah, Wong Li Ming Joyce, Evonne Hooi Rong Yu, Artem Sazykin, Gavin Menzel-Jones

Indonesian Petroleum Association

..., for each iteration, a discrete Fourier transform of the data is first computed. Then, the Fourier component with maximum energy is selected...

2019

Abstract: Investigation of DMO Algorithms during Test-Line Processing: Some Recommendations (Paper 23)

Ng Tong San, Mohd. Hashim Abas, Leong Lap Sau

Geological Society of Malaysia (GSM)

... "correct" velocity pick. DMO algorithms available sometime back in this region are essentially Fourier transform methods, usually with some logarithmic...

1995

Optical Methods and Equipment for Processing Geophysical Data: ABSTRACT

Arthur L. Ingalls

AAPG Bulletin

... is a 2-dimensional filtering equipment in which 2 Fourier transforms are performed sequentially on the in-put transparency. The first transform produces...

1965

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