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In this book, we proposed velocity-free localization methods for acoustic and microseismic sources. This method does not require predetermination of wave velocity, which is a dynamically adjusted free real-time parameter. These methods solve the problem of large localization error caused by the difference between measured wave velocity and actual wave velocity in the source area and greatly improve the positioning accuracy. They are suitable for complex structures where the wave velocity changes dynamically in time and space, such as mines, bridges, buildings, pavements, loaded mechanical structures, dams, geothermal mining, oil extraction, and other engineering fields. This book includes progress in the development of localization methods, factors affecting the accuracy of source localization, analytical methods without the pre-measured wave velocity, velocity-free numerical methods for localizing acoustic sources, combined optimal velocity-free localization methods, velocity-free source localization considering complex paths of spatial structures, and theories as well as some cases of engineering applications of these methods.
Acoustical engineering. --- Microseisms. --- Microtremors --- Seismic noise --- Seismology --- Acoustic engineering --- Sonic engineering --- Sonics --- Sound engineering --- Sound-waves --- Engineering --- Industrial applications
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This book is designed as an excellent resource text for students and professionals, providing an in-depth overview of the theory and applications of downhole microseismic monitoring of hydraulic fracturing. The readers will benefit greatly from the detailed explanation on the processes and workflows involved in the acquisition design modeling, processing and interpretation of microseismic data.
Geophysics. --- Fossil fuels. --- Structural geology. --- Geophysics and Environmental Physics. --- Geophysics/Geodesy. --- Fossil Fuels (incl. Carbon Capture). --- Structural Geology. --- Geotectonics --- Structural geology --- Tectonics (Geology) --- Physical geology --- Fossil energy --- Fuel --- Energy minerals --- Geological physics --- Terrestrial physics --- Earth sciences --- Physics --- Microseisms. --- Hydraulic fracturing. --- Fracking (Engineering) --- Fracturing, Hydraulic --- Hydrofracking --- Hydraulic engineering --- Rock mechanics --- Microtremors --- Seismic noise --- Seismology
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This book examines the effects of incoherent noise and how it leads to the misinterpretation of seismic data. It also reviews common noise reduction approaches and their drawbacks, focusing on developments that have occurred in the past decade. The main features of this book include: • Hands-on implementation in MATLAB and/or C • In-depth discussions of both theoretical and practical aspects of the subject • Supplementary, real-world seismic data • Detailed descriptions of structure-enhancing filters. Connecting the theory and practical implementation of noise reduction, the book helps readers fill the gap from equations to code, and from classical filters to the preservation and enhancement of a robust structure. Lastly, it highlights cutting-edge research in the area. As such, it is of interest to researchers in the fields of petroleum engineering, exploration seismology, and geophysics, as well as to practitioners working in the petroleum industry.
Fossil fuels. --- Geotechnical engineering. --- Engineering geology. --- Engineering—Geology. --- Foundations. --- Hydraulics. --- Fossil Fuels (incl. Carbon Capture). --- Geotechnical Engineering & Applied Earth Sciences. --- Geoengineering, Foundations, Hydraulics. --- Microseisms. --- Flow of water --- Water --- Fluid mechanics --- Hydraulic engineering --- Jets --- Architecture --- Building --- Structural engineering --- Underground construction --- Caissons --- Earthwork --- Masonry --- Soil consolidation --- Soil mechanics --- Walls --- Engineering --- Civil engineering --- Geology, Economic --- Engineering, Geotechnical --- Geotechnics --- Geotechnology --- Engineering geology --- Fossil energy --- Fuel --- Energy minerals --- Flow --- Distribution --- Details --- Geology --- Microtremors --- Seismic noise --- Seismology
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This book discusses the latest advances in singular spectrum-based algorithms for seismic data processing, providing an update on recent developments in this field. Over the past few decades, researchers have extensively studied the application of the singular spectrum-based time and frequency domain eigen image methods, singular spectrum analysis (SSA) and multichannel SSA for various geophysical data. This book addresses seismic reflection signals, which represent the amalgamated signals of several unwanted signals/noises, such as ground roll, diffractions etc. Decomposition of such non-stationary and erratic field data is one of the multifaceted tasks in seismic data processing. This volume also includes comprehensive methodological and parametric descriptions, testing on appropriately generated synthetic data, as well as comparisons between time and frequency domain algorithms and their applications to the field data on 1D, 2D, 3D and 4D data sets. Lastly, it features an exclusive chapter with MATLAB coding for SSA.
Geophysics. --- Noise control. --- Environmental management. --- Physical geography. --- Fossil fuels. --- Geophysics and Environmental Physics. --- Geophysics/Geodesy. --- Noise Control. --- Environmental Management. --- Earth System Sciences. --- Fossil Fuels (incl. Carbon Capture). --- Fossil energy --- Fuel --- Energy minerals --- Geography --- Environmental stewardship --- Stewardship, Environmental --- Environmental sciences --- Management --- Noise prevention --- Acoustical engineering --- Environmental engineering --- Noise --- Geological physics --- Terrestrial physics --- Earth sciences --- Physics --- Seismology --- Seismic reflection method. --- Microseisms. --- Spectrum analysis. --- Data processing. --- Analysis, Spectrum --- Spectra --- Spectrochemical analysis --- Spectrochemistry --- Spectroscopy --- Chemistry, Analytic --- Interferometry --- Optics --- Radiation --- Wave-motion, Theory of --- Absorption spectra --- Light --- Spectroscope --- Microtremors --- Seismic noise --- Reflection seismic method --- Seismic prospecting --- Seismic refraction method --- Qualitative --- Spectrometry
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