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The AAPG/Datapages Combined Publications Database

Showing 1,537 Results. Searched 200,293 documents.

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Distinction of Glacial and Interglacial Cycles in Feni and Gardar Drifts, North Atlantic: ABSTRACT

Margaret R. Eggers, Robert Ehrlich

AAPG Bulletin

.... Fourier shape analysis on quartz silts, augmented by SEM, showed that each sample consists of a mixture of 3 grain populations. One grain type...

1985

-- no title --

user

Search and Discovery.com

... Fourier transform (SWFT) (Partyka, 1999), Morlet wavelet based wavelet transform (MWT) (X. Miao & W. Moon, 1994, Casatagna, 2003), and Matching Pursuit...

Unknown

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

-- no title --

user

Search and Discovery.com

... Fourier transform (SWFT) (Partyka, 1999), Morlet wavelet based wavelet transform (MWT) (X. Miao & W. Moon, 1994, Casatagna, 2003), and Matching Pursuit...

Unknown

Abstracts: A New f-p Domain Weighting Function in Minimum Weighted Norm Interpolation of Seismic Data; #90173 (2015)

Zhengsheng Yao, Mike Galbraith, and Randy Kolesar

Search and Discovery.com

... function is designed to build the interpolated energy along the desired direction. Usually, such a weighting function is built in the Fourier domain...

2015

Abstract: Spectral Decomposition of Seismic Data with Wavelet-Packet-Like Transform; #90211 (2015)

Rongfeng Zhang

Search and Discovery.com

... [email protected] Abstract Standard spectral decomposition methods such as Short-time Fourier transform (STFT) and Continuous wavelet transform (CWT) have...

2015

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: Milankovic Cycles on Mars and the Impact on Economic Exploration;

Matthew Brzostowski

Search and Discovery.com

... for periodic cycles via Fourier spectral analysis of obliquity and precession index. This analysis substantiates the 128,000 and 91,000-year cycles for Earth...

Unknown

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

Magnetic Spectrum of the San Kampaeng Geothermal Area, Northern Thailand

Somsri Sertsrivanit, Charn Tantisukrit, Surachai Praserdvigai

Geological Society of Malaysia (GSM)

... with a data point number of 2® via Fast Fourier Transform (FFT). We used the FFT computer program which was written by Sertsrivanit (1983) in FORTRAN IV...

1986

Analytic directional derivative based gradient structure-tensor-based dip to detect seismic faults

Gagandeep Singh, Rahul Mahadik, William K. Mohanty, Aurobinda Routray

International Meeting for Applied Geoscience and Energy (IMAGE)

... T g1 g1 =  g1 g2 g1 g3 gH gH 1 1  gH gH = 1 2 gH gH 1 3  Fourier transform and slant stack are two further approaches. The structural tensor...

2022

High-resolution imaging using Gaussian beam point-spread-function deconvolution

Jidong Yang, Jianping Huang, Hejun Zhu, George McMechan

International Meeting for Applied Geoscience and Energy (IMAGE)

..., h) = √ 3 2 σ2 ( 2πσ) Psf (x, h), (4) where Fh is the multidimensional Fourier transform for −1 subsurface offsets, and Fh is the corresponding...

2023

Tikhonov Linear Inversion of Gravity Data to Determine 3-D Differential Density Distribution - Case Study of Southeast New Mexico and West Texas

Darren Hart

West Texas Geological Society

... related to wave number domain transforms (as in the upward/downward continuation problem). Applying this method to a gravity data set covering...

2000

Seismic inversion with implicit neural representations

Juan Romero, Wolfgang Heidrich, Nick Luiken, Matteo Ravasi

International Meeting for Applied Geoscience and Energy (IMAGE)

... convolution matrix, which encapsulates the seismic wavelet, while D is the first-order derivative operator. Post-stack seismic inversion transforms seismic...

2024

Abstract: A study of Spectral Broadening Methods for Multicomponent Data; #90174 (2014)

Chuck Ursenbach, Peter Cary, and Mike Perz

Search and Discovery.com

... advantage of performing PS-to-PP domain transforms with i, as in Paper I, or with 0, is that the wavelengths automatically assume their correct...

2014

Influences of Storm Erosion and Deposition on Rhythmites of the Upper Wenchang Formation (Upper Ordovician) Around Tonglu, Zhejiang Province, China

Daidu Fan, Congxian Li, Ping Wang

Journal of Sedimentary Research (SEPM)

...). MARTINO, R.L., AND SANDERSON, D.D., 1993, Fourier and autocorrelation analysis of estuarine tidal rhythmites, lower Breathitt Formation...

2004

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