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The AAPG/Datapages Combined Publications Database
Showing 1,541 Results. Searched 200,616 documents.
Optimum Deconvolution for Seismic Inversion Purposes
M. Suprajitno, L. Nutt, P. Busono
Southeast Asia Petroleum Exploration Society (SEAPEX)
... is used to transform the separated functions back into the space of convolution. A commonly used characteristic system D* is the cascade of Fourier...
1988
Automatic well-log baseline correction via deep learning for rapid screening of potential CO2 storage sites
Misael M. Morales, Carlos Torres-Verdรญn, Michael Pyrcz, Murray Christie, Vladimir Rabinovich
International Meeting for Applied Geoscience and Energy (IMAGE)
... is expressed as (3) ๐ณ๐ฟ = ๐ฟโ ๐๐ฟ, where ๐ ๐ฟ is the slope coefficient obtained from a leastsquares fit, โ๐ฟ โ (๐ ๐ฟ ๐ฟ + ๐)โ . The Fourier transform...
2024
Application of Spectral Decomposition Technique in Reservoir Exploration in the Junggar Basin of West China, #10340 (2011)
Cai Gang, Su Mingjun, Yao Qingzhou, Gong Honglin
Search and Discovery.com
... Fourier Transform (DFT). The converted amplitude spectrum can be used to detect the variability of temporal bed thickness, while the phase spectrum can...
2011
Research and application of Intelligent high resolution processing method based on ISTA-Net
Huahui Zeng, Qin Su, Sanyi Yuan, Lide Wang, Yanwu Xu, Huijie Meng, Deying Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
...on coefficient, and assuming that the parameters of neural network learning are the basis functions of Fourier transform or curvelet transform, the above formu...
2024
Integrating Surface Seismic, Microseismic, Rock Properties and Mineralogy in the Haynesville Shale.
Neil Peake, Gabino Castillo, Norbert Van de Coevering, Simon Voisey, Antoine Bouziat, Kevin Chesser, Guy Oliver, Chi Vinh Ly
Unconventional Resources Technology Conference (URTEC)
.... The azimuthal Fourier coefficients were calculated by performing a Fourier transform of azimuthally sectored seismic data over particular ranges...
2014
Abstract: Near-surface Issues in TTI Wave Equation Migration from Topography; #90171 (2013)
Chuck Ursenbach, Richard A. Bale, and Samuel H. Gray
Search and Discovery.com
... ways, such as when the inverse transform leads to a narrow, high-amplitude spike in real space, as shown in Figure 1. Using a rectangular k-filter...
2013
One-way full-waveform inversion using frequency-domain model extension
Rustam Akhmadiev, Biondo Biondi, Robert G. Clapp
International Meeting for Applied Geoscience and Energy (IMAGE)
... wave equation. Applying Fourier transform along the time axis we get: ห ห ห โฯ 2 s2 (ฯ)p(x, ฯ) โ โ2 p(x, ฯ) = 0, (2) where convolution in time becomes...
2024
Interpolated fast and computational-efficient multidimensional singular spectrum analysis (I-FMSSA) for compressive simultaneous-source data processing
Rongzhi Lin, Yi Guo, Fernanda Carozzi, Mauricio D. Sacchi
International Meeting for Applied Geoscience and Energy (IMAGE)
... to estimate transform domain coef๏ฌcients that synthesize the ideal deblended data, i.e., Fourier domain thresholding algorithms (Mahdad et al., 2011...
2022
Spectral Analysis of the Middle Triassic Latemar Limestone
Linda A. Hinnov, Robert K. Goldhammer
Journal of Sedimentary Research (SEPM)
..., G.M., 1970, Time Series Analysis Forecasting and Control: Oakland, California, Holden-Day, 553 p. BRACEWELL, R.N., 1978, The Fourier Transform and Its...
1991
3D Radon transformation with axis dependent curvature
Faruq Akbar, Warren Ho, Sebastian Holland, Rodrigo Fuck
International Meeting for Applied Geoscience and Energy (IMAGE)
... for derivation purpose. The transformation operator L is then written as: ๐ฟ = ๐ โ๐๐(๐ ๐ฅ ๐ฅ ๐ผ +๐ ๐ฆ ๐ฆ ๐ฝ) . Unlike the Fourier transform...
2024
Optimal Configuration and Information Content of Sets of Frequency Distributions
William E. Full , Robert Ehrlich, Stephen K. Kennedy
Journal of Sedimentary Research (SEPM)
... and Geosci., in press. BOON III, J. D., EVANS, D. A., AND HENNIGAR, H. F., 1982, Spectral information from Fourier analysis of digitized quartz grain...
1984
Source location using physics-informed neural networks with hard constraints
Xinquan Huang, Tariq Alkhalifah
International Meeting for Applied Geoscience and Energy (IMAGE)
... allows for direct image extraction of the subsurface using inverse Fourier transform. Numerical tests on the Overthrust model demonstrate...
2022
Implications from Transfer Functions when Comparing Seismic Data from MEMS Accelerometers and Geophones
Michael S. Hons
Search and Discovery.com
... that capacitors sense displacement change. By taking the Fourier transform and rearranging the damped simple harmonic oscillator equation accordingly, we arrive...
Unknown
Implications from Transfer Functions when Comparing Seismic Data from MEMS Accelerometers and Geophones
Michael S. Hons
Search and Discovery.com
... that capacitors sense displacement change. By taking the Fourier transform and rearranging the damped simple harmonic oscillator equation accordingly, we arrive...
Unknown
Abstracts: Using a 1D FX Predictive Filter for 3D Seismic Data Random Noise Attenuation; #90173 (2015)
Mike Galbraith, Zhengsheng Yao, and Randy Kolesar
Search and Discovery.com
... the Fourier transform to one of the spatial coordinates, say X. Now the frequency slice is in what we may call the FKxY domain. This transform works...
2015
Multispectral Volumetric Curvature Adding Value to3D Seismic Data Interpretation, #41540 (2015).
Satinder Chopra, Kurt J. Marfurt
Search and Discovery.com
... for volume computation of multispectral estimates of curvature. They define the fractional derivative as where the operator F denotes the Fourier transform...
2015
Robust seismic data denoising based on factor group-sparse regularization
Mi Zhang, Yang Liuy, Jingming Liy, Gui Cheny
International Meeting for Applied Geoscience and Energy (IMAGE)
... theories have emerged one after another, such as predictive ๏ฌltering, Fourier transform, wavelet transform, curve transformation, dictionary learning, neural...
2024
Attenuating non-compressional energy on vertical motion sensors using rotational data
Hassan Masoomzadeh, Fons ten Kroode, Tim Seher, Mohammad Akbar Hosain Zuberi, Alexander Kritski, Harald Westerdahl, ร smund Sjรธen Pedersen, Mark Thompson, Nick Bernitsas, Phil Behn, Philip Baltz
International Meeting for Applied Geoscience and Energy (IMAGE)
... geophone records using thresholding in various transform domains, such as the tau-p domain (Craft & Paffenholz, 2007; Poole et al., 2012), the wavelet...
2024
Fracture Geometry Measurements by Analyzing Multiwell Communications
Sofya Sizova, Roman Korkin
Unconventional Resources Technology Conference (URTEC)
... at different velocities. This property should be considered when studying the offset pressure. Applying the Fourier transform to the pressure at the active...
2021
Measuring seasonal velocity variations on an urban DAS array
Jihyun Yang, Jeffrey Shragge
International Meeting for Applied Geoscience and Energy (IMAGE)
...) = F โ1 un (xA , ฯ)un (xB , ฯ) , where F โ1 is the inverse Fourier transform operator, n is the event window index, N is the total number of event...
2022
Overburden Compensation: A Pragmatic Solution to the Frequency Dependent Amplitude Losses Associated With Laterally Variable Overburden
Swee Leng NG, Martin Bayly
Indonesian Petroleum Association
... filtering by Fourier transform: Geophysics 56, 519-527. Figure 1 - Common Mid-Point gathers preconditioned for further testing. Figure 2 - Common Mid...
2008
Time Frequency Gathers: An Optimal Spectral Decomposition Analysis Approach
Badsha Basu Roy
Indonesian Petroleum Association
... Fourier Transform), CWT (continuous wavelet transform), MEM (maximum entropy method) and MPD (matching pursuit decomposition), (Castagna and Sun, 2006...
2016
Relationship Between Test Morphology and Bathymetry in Recent Bolivina albatrossi Cushman, Northwestern Gulf of Mexico: ABSTRACT
Anthony C. Gary
AAPG Bulletin
... 1422 1422 69 9. (September) An automated video digitizer and closed-form Fourier series analysis were used in this study to quantify benthic...
1985
Abstract: Near-surface Velocity Modeling through a Computationally Efficient Implementation of 1.5D Laplace-Fourier Full Waveform Inversion; #91204 (2023)
Apostolos Kontakis, Diego Rovetta, Daniele Colombo, Ernesto Sandoval-Curiel
Search and Discovery.com
...Abstract: Near-surface Velocity Modeling through a Computationally Efficient Implementation of 1.5D Laplace-Fourier Full Waveform Inversion; #91204...
2023
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 = ๏ฃฐ g1 g2 g1 g3 gH gH 1 1 ๏ฃฐ gH gH = 1 2 gH gH 1 3 ๏ฃฎ Fourier transform and slant stack are two further approaches. The structural tensor...
2022