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The AAPG/Datapages Combined Publications Database

Showing 1,541 Results. Searched 200,616 documents.

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Unsupervised deep learning for seismic data reconstruction

Gui Chen, Yang Liu, Mi Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... generalized Fourier transform: Geophysics, 76, no. 1, V1–V10, doi: https://doi.org/10.1190/1.3511525. Oropeza, V., and M. Sacchi, 2011, Simultaneous seismic...

2023

Abstract: Seismic Data Decomposition into Spectral Components Using Regularized Nonstationary Autoregression; #90187 (2014)

Sergey Fomel

Search and Discovery.com

... components. The classic Fourier transform, Radon transform (Gardner and Lu, 1991), wavelet transform (Mallat, 2009), curvelet frame (Herrmann...

2014

Recognition of Sand Body Depositional Environments: Limitations of Fourier Analysis and New Approach to Grain-Shape Analysis: ABSTRACT

James M. Parks

AAPG Bulletin

...Recognition of Sand Body Depositional Environments: Limitations of Fourier Analysis and New Approach to Grain-Shape Analysis: ABSTRACT James M. Parks...

1981

The depth-domain seismic inversion based on depth-variant wavelet non-stationary convolution method

Cong Wang, Xuehua Chen, Wei Jiang, Shengyi Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... tools. So, introducing a dual term transform, the objective function can be redefined as: f ( m, R, C1) = min S − Gm m, R ,C1 2 2 +  m − m0 +  R...

2024

Extracting surface wave dispersion spectra directly from the high-speed train induced vibration

Shengpei Xia, Xinyue Pan, Xiaokai Wang, Wenchao Chen, Jingrui Luo, Haixia Zhao, Wenjing Yan

International Meeting for Applied Geoscience and Energy (IMAGE)

... for the m-th N-S moving HST. The window Fourier transform can be used to decompose the 1D signal xm(n,t) to time-frequency expression Xm(n, f...

2024

Seismic Migration: Part 7. Geophysical Methods

Ken Larner, David Hale

AAPG Special Volumes

... and a dipping reflector. End_Page 373------------------------ domain. In general, Fourier transform methods provide elegant means of solving partial...

1992

Abstract: Blind Surface Consistent Wavelet Estimation; #90187 (2014)

E. Bongajum, N. Kazemi, and M. D. Sacchi

Search and Discovery.com

... (Levin, 1989; Cambois and Stoffa, 1992). SCD can be performed in the log/fourier domain (Taner and Koehler, 1981; Morley and Claerbout, 1983; Cambois...

2014

Abstract: Ore Fluid Chemistry and Genetic Significance of Hydrothermal Processes: Examples from Australian and Myanmar Gold and Base Metal Deposits

Khin Zaw

Geological Society of Malaysia (GSM)

..., electron microprobe, SEMlWDS, PIXE (Proton-induced X-ray Emission) and LRS (Laser Raman Spectroscopy), FTIR (Fourier Transform Infra-Red) and mass...

1996

Abstract: Multi-spectral Volumetric Curvature Adding Value to 3D Seismic Data Interpretation; #90171 (2013)

Satinder Chopra and Kurt J. Marfurt

Search and Discovery.com

... denotes the Fourier transform, where u is an inline or crossline component of reflector dip, and where α is a fractional real number that typically ranges...

2013

Seismic Attenuation Analysis for Reservoir Description

Search and Discovery.com

... wavelet transform or the short window Fourier transform. 3. compute instantaneous amplitude envelope using Hilbert transform to get a smooth amplitude...

2013

Abstract: Multi-spectral Volumetric Curvature Adding Value to 3D Seismic Data Interpretation; #90171 (2013)

Satinder Chopra and Kurt J. Marfurt

Search and Discovery.com

... denotes the Fourier transform, where u is an inline or crossline component of reflector dip, and where α is a fractional real number that typically ranges...

2013

Abstract: Parallel Implementation of Pre-stack Least-squares Migration for Distributed Systems; #90171 (2013)

Sam T. Kaplan

Search and Discovery.com

..., respectively, and F denotes the four-dimensional Fourier transform over x g and x s. The operators u p ( k ) and us( k ) are, respectively...

2013

Deep learning Laplace-Fourier full-waveform inversion with virtual supershot gathers

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

International Meeting for Applied Geoscience and Energy (IMAGE)

...Deep learning Laplace-Fourier full-waveform inversion with virtual supershot gathers Lei Fu, Daniele Colombo, Weichang Li, Ernesto Sandoval-Curiel...

2022

The Geophysicists' Bane: Multiple Suppression on the North West Shelf

C. R. T. Ramsden, M. R. Hobson, R. Cooper

Petroleum Exploration Society of Australia (PESA)

... can be weighted differently. INPUT TRACE S(t) Take Fourier transform of trace S(f) Calculate Weighting function W(f) Weighting function W(f) X...

1988

Microseismic imaging with three-component borehole sensors

Jakob B. U. Haldorsen

International Meeting for Applied Geoscience and Energy (IMAGE)

... larger than half the wavelength of any given signal in that waveform. These ambiguities come about when one uses the Fourier transform to expand a wavefield...

2022

Improvement of inverse scattering angle-domain common image gathers using optical flow

Ammir A. Karsou, Sérgio L. E. F. da Silva, Felipe V. Capuzzo, Felipe T. Costa, Jorge Lopez, Roger M. Moreira, Marco Cetale

International Meeting for Applied Geoscience and Energy (IMAGE)

... a frequency-wavenumber Fourier transform. Then, a local plane wave decomposition is used to apply the imaging condition for each angle estimated...

2023

Sodium Lignosulfonate Injection From Palm Oil Raw Waste Bunches as A Frontier Eor Technology in The Duri Oil Field: Application and Treatment

Navendra Chista Yogatama, Cryspalina Dwiocta Caroline, Anthony Johan, Valeria Irma Christiani, Ahmad Syauqi Hidayatillah

Indonesian Petroleum Association

... serves to assist the purification process. Chemical groups analysis on lignin were performed using FTIR (Fourier Transform Infrared Spectroscopy...

2019

CO2-Shale Reactivity at the Matrix-Fracture Interface

Sean Sanguinito, Patricia Cvetic, Angela Goodman, Barbara Kutchko, Sittichai Natesakhawat

Unconventional Resources Technology Conference (URTEC)

... Fourier Transform infrared spectroscopy (FT-IR), feature relocation scanning electron microscopy (SEM), and surface area and pore size analysis using...

2019

Applicability of Micro-FTIR in Detecting Shale Heterogeneity; #51360 (2017)

Maria Mastalerz, Carley Gasawal, Fed Krause, Chris Clarkson, Chris DeBuhr

Search and Discovery.com

... and SEM Techniques: Bulletin of Canadian Petroleum Geology, submitted 2016. Griffiths, P.R., and J.A. De Haseth, 2007, Fourier Transform Infrared...

2017

Reservoir spatial characterization based on tuning body spectrum decomposition along the target layer

Ying Zheng, Qingzhen Wang, Jianhua Wang, Rao Huang, Zhenyu Zhu

International Meeting for Applied Geoscience and Energy (IMAGE)

... the movement of harmonic waves and has no effect on the amplitude spectrum of the Fourier transform. The form of generalized S-transform with 5-coefficient...

2024

Rapid Quantification of Mineralogy, Organic Matter, and Thermal Maturity of Cuttings With Diffuse Reflectance Infrared Fourier Transform Spectroscopy (DRIFTS): A Permian Basin Case Study

MaryEllen L. Loan, Michael M. Herron, Paul Craddock, Romain Prioul, Michael Prange, Kenneth M. Schwartz, Alyssa M. Charsky

Unconventional Resources Technology Conference (URTEC)

...Rapid Quantification of Mineralogy, Organic Matter, and Thermal Maturity of Cuttings With Diffuse Reflectance Infrared Fourier Transform Spectroscopy...

2017

Chapter 2: High-Resolution Multispectral Analysis of Organic-Rich Mudstones

T. Dawn Jobe, Sebastian Csutak, Shannon L. Eichmann, Jordan Kone

AAPG Special Volumes

.... Additionally, micro-Fourier transform infrared (micro-FTIR) spectroscopy was used to identify both clay minerals and compositional structures...

2019

Pre-drill Reservoir Evaluation Using Passive Seismic Imaging

Charles Sicking, Jan Vermilye, Ashley Yaner

Unconventional Resources Technology Conference (URTEC)

... this method to separate the wavelet propagating in the Earth from the reflectivity. Oppenheim derived the method of using the Fourier transform to take...

2016

A surrogate approach to studying the chemical reactivity of burrow mucous linings in marine sediments

Daniel A. Petrash, Stefan V. Lalonde, Murray K. Gingras, Kurt O. Konhauser

PALAIOS

...). METHODS In earlier studies, FTIR (Fourier Transform Infrared) analysis of mucus produced by marine invertebrates showed similarities to spectra...

2011

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