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The AAPG/Datapages Combined Publications Database

Showing 1,475 Results. Searched 200,357 documents.

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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: Study on FTIR of high-organic-sulfur coal and the structure of sulfur-containing compounds of its extracts

Cong Chen, Yuegang Tang, Xiaolong Li, Yewei Sun

The Society for Organic Petrology (TSOP)

... and their extracts were studied using Fourier Transform Infrared Spectroscopy (FTIR) and Gas Chromatography-mass Spectrometer (GC-MS) to explore the evolution...

2018

ABSTRACT: The chemical structure evolution during coal pyrolysis studied by FTIR and Py-GC

Wu Li, Yan-ming Zhu, Yang Wang

The Society for Organic Petrology (TSOP)

... The molecular composition of organic matter formed during pyrolysis is complex. The chemical structure evolution can be simulated using Fourier transform...

2019

Abstract: Automated Cuttings Analysis for Unconventional Applications

Don Hall

West Texas Geological Society

... quadrupole mass spectrometry, X-ray fluorescence analysis and diffuse-reflectance infrared Fourier-transform spectroscopy. All analyses are performed...

2018

ABSTRACT: THE APPLICATION OF FREQUENCY SPECTRAL ANALYSIS OF LOGGING CURVES ON SEDIMENTARY CYCLE STUDIES IN COAL-BEARING STRATA

Fengjie Li, Duoyun Wang

The Society for Organic Petrology (TSOP)

... cycles caused by climate changes. Key words: Logging curves; Milankovitch cycles; Fast fourier transform; Ordos basin; Yan’an Formation 114...

2006

Abstract: Infrared spectrum of an individual fossil pollen grain measured as an organic maturation index

T. Aizawa, T. Ohbuchi, Y. Ujiié

The Society for Organic Petrology (TSOP)

... Infrared spectra for individual fossil pollen grains were measured by means of Fourier transform infrared spectroscopy with infrared microscope (micro...

2008

ABSTRACT: Structural characteristics and molecular representations of bark liptobiolite of Permian from China

Ya’nan Guo, Yuegang Tang

The Society for Organic Petrology (TSOP)

... spectroscopy (NMR), high-resolution transmission electron microscopy (HRTEM) and Fourier transform infrared (FT-IR) spectroscopy were employed to analyze...

2012

ABSTRACT: Infrared Microspectroscopy: An Efficient Tool for Micro-Scale Characterization of Organic Matter

P. Landais and A. Rochdi

The Society for Organic Petrology (TSOP)

... analysis. Fourier transform infrared (FTIR) spectroscopy is a widely used technique in organic geochemistry which facilitates the functional analysis...

1990

Abstract: DMO and NMO as Applied in Seismic Data Processing

Jiunnyih Chen

Geological Society of Malaysia (GSM)

... by Fourier transform. offset continuation, single channel DMO ... etc. and the improvements of these techniques are widely recognized. But every technique...

1988

Examples of Optical Analysis and Filtering of Seismic Record Sections: ABSTRACT

J. A. Long

AAPG Bulletin

... to produce a diffraction pattern which is the two-dimensional Fourier transform of the section itself. By using suitable lenses, the diffraction...

1965

ABSTRACT: Improving Curvature Analyses of Deformed Horizons Using Scale-Dependent Filtering Techniques; #90013 (2003)

Stephan Bergbauer, Tapan Mukerji, Peter H. Hennings

Search and Discovery.com

... the suitability of four numerical techniques (Fourier analysis, wavelet transform filtering, singular value decomposition, factorial kriging...

2003

ABSTRACT: Petroleum Inclusions: Markers of Tectonic and Diagenetic Evolution of a Foreland Petroleum Basin (Columbia); #90013 (2003)

Jacques Pironon, Jorg O. W. Grimmer, Frederic Walgenwitz

Search and Discovery.com

... Evolution of a Foreland Petroleum Basin (Columbia) The petroleum inclusions of two oil fields from Columbia have been investigated. Fourier transform...

2003

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

Vikas Agrawal

Search and Discovery.com

... resonance), XPS (X-ray photoelectron spectroscopy), and ATR-FTIR (Attenuated total reflection-Fourier transform infrared spectroscopy) will be employed...

2017

Abstract: Evaluation of Different Fiber Optic Cables For Near-Surface Reflection Seismic; #91204 (2023)

Anton Egorov, Pavel Golikov, Andrey Bakuli, Konstantin Tertyshnikov, Roman Pevzner

Search and Discovery.com

..., bandpass filtering), and compute the brute seismic stacks. We also analyze the seismic gathers in different domains (two-dimensional Fourier transform...

2023

Decoding Molecular Geochemistry of Kerogen from Marcellus Shale; #42153 (2017)

Vikas Agrawal, Shikha Sharma, Ajay Warrier

Search and Discovery.com

... Chromatography), MSSV (Microscale sealed vessel) pyrolysis, FT-ICR MS (Fourier transform ion cyclotron resonance-Mass spectrometry), 13C solid state NMR...

2017

Application of Fourier Transform Infra-Red Spectroscopy in Determination of Reservoir Properties

John Woods

Indonesian Petroleum Association

...Application of Fourier Transform Infra-Red Spectroscopy in Determination of Reservoir Properties John Woods IPA14-G-070 PROCEEDINGS, INDONESIAN...

2014

Enhancing geological features delineation by combining a relative geological time model with the matching pursuit spectral decomposition

Fabien Cubizolle, Benjamin Durot, Lory Evano

International Meeting for Applied Geoscience and Energy (IMAGE)

.... In this paper, the Matching Pursuit algorithm is compared with both the Short Time Fourier Transform and the Continuous Wavelet Transform methods. A case study...

2022

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

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