Acoustic Waves In Boreholes

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Acoustic Waves in Boreholes

Frederick L. Paillet,Chuen Hon Cheng
Acoustic Waves in Boreholes Book PDF

Author : Frederick L. Paillet,Chuen Hon Cheng
Publisher : CRC Press
Page : 282 pages
File Size : 46,6 Mb
Release : 2023-07-14
Category : Science
ISBN : 9781000943306

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Acoustic Waves in Boreholes by Frederick L. Paillet,Chuen Hon Cheng Pdf

Introducing the first, self-contained reference on acoustic waveform logging Acoustic measurements in boreholes were first made as a specialized logging technique in geological exploration, but recent advances have greatly expanded the potential applications of this technique. Acoustic Waves in Boreholes provides a thorough review of the theory and interpretation techniques needed to realize these applications, emphasizing the role of guided modes and critically refracted waves in determining the characteristics of recorded waveforms. Topics covered in this comprehensive volume include the seismic properties of rocks; propagation of axisymmetric waves along fluid-filled boreholes in isotropic rocks; and symmetric and nonsymmetric sources in isotropic, transversely isotropic, and porous, permeable formations in open and cased boreholes. Each chapter includes the theory of synthetic microseismogram computation, interpretation and data inversion techniques illustrated using computed seismograms, and case histories using experimental data. Appendices providing the mathematical formulation needed to compute microseismograms, with a single consistent notation used throughout, are also included in appropriate chapters. The wide range of geomechanical properties covered in this book will interest exploration geophysicists, reservoir engineers, civil engineers, geologists, and soil scientists.

Acoustic Waves in Boreholes

Frederick L. Paillet,Chuen Hon Cheng
Acoustic Waves in Boreholes Book PDF

Author : Frederick L. Paillet,Chuen Hon Cheng
Publisher : CRC Press
Page : 284 pages
File Size : 45,6 Mb
Release : 1991-10-29
Category : Science
ISBN : 0849388902

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Acoustic Waves in Boreholes by Frederick L. Paillet,Chuen Hon Cheng Pdf

Introducing the first, self-contained reference on acoustic waveform logging Acoustic measurements in boreholes were first made as a specialized logging technique in geological exploration, but recent advances have greatly expanded the potential applications of this technique. Acoustic Waves in Boreholes provides a thorough review of the theory and interpretation techniques needed to realize these applications, emphasizing the role of guided modes and critically refracted waves in determining the characteristics of recorded waveforms. Topics covered in this comprehensive volume include the seismic properties of rocks; propagation of axisymmetric waves along fluid-filled boreholes in isotropic rocks; and symmetric and nonsymmetric sources in isotropic, transversely isotropic, and porous, permeable formations in open and cased boreholes. Each chapter includes the theory of synthetic microseismogram computation, interpretation and data inversion techniques illustrated using computed seismograms, and case histories using experimental data. Appendices providing the mathematical formulation needed to compute microseismograms, with a single consistent notation used throughout, are also included in appropriate chapters. The wide range of geomechanical properties covered in this book will interest exploration geophysicists, reservoir engineers, civil engineers, geologists, and soil scientists.

Quantitative Borehole Acoustic Methods

X.M. Tang,Chuen Hon Arthur Cheng
Quantitative Borehole Acoustic Methods Book PDF

Author : X.M. Tang,Chuen Hon Arthur Cheng
Publisher : Elsevier
Page : 280 pages
File Size : 51,9 Mb
Release : 2004-01-27
Category : Business & Economics
ISBN : 0080440517

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Quantitative Borehole Acoustic Methods by X.M. Tang,Chuen Hon Arthur Cheng Pdf

Acoustic logging is a multidisciplinary technology involving basic theory, instrumentation, and data processing/interpretation methodologies. The advancement of the technology now allows for a broad range of measurements to obtain formation properties such as elastic wave velocity and attenuation, formation permeability, and seismic anisotropy that are important for petroleum reservoir exploration. With these advances, it is easier to detect and characterize formation fractures, estimate formation stress field, and locate/estimate petroleum reserves. The technology has evolved from the monopole acoustic logging into the multipole, including dipole, cross-dipole, and even quadrupole, acoustic logging measurements. The measurement process has developed from the conventional wireline logging into the logging-while-drilling stage. For such a fast developing technology with applications that are interesting to readers of different backgrounds, it is necessary to have systematic documentation of the discipline, including the theory, methods, and applications, as well as the technology's past, present, and near future development trends. Quantitative Borehole Acoustic Methods provides such documentation, with emphasis on the development over the past decade. Although considerable effort has been made to provide a thorough basis for the theory and methodology development, emphasis is placed on the applications of the developed methods. The applications are illustrated with field data examples. Many of the acoustic waveform analysis/processing methods described in the book are now widely used in the well logging industry.

Geophysics Under Stress

Colin M. Sayers
Geophysics Under Stress Book PDF

Author : Colin M. Sayers
Publisher : SEG Books
Page : 171 pages
File Size : 49,8 Mb
Release : 2010
Category : Nature
ISBN : 9781560802105

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Geophysics Under Stress by Colin M. Sayers Pdf

Provides an overview of the sensitivity of elastic waves in the earth to in situ stress, pore pressure, and the anisotropy of the rock fabric. A variety of applications and real data examples is presented, with particular emphasis placed on the rock-physics basis underlying the use of geophysical data for solving geomechanical problems.

Borehole Acoustic Logging – Theory and Methods

Hua Wang,M. Nafi Toksöz,Michael C Fehler
Borehole Acoustic Logging Theory and Methods Book PDF

Author : Hua Wang,M. Nafi Toksöz,Michael C Fehler
Publisher : Springer Nature
Page : 326 pages
File Size : 45,7 Mb
Release : 2020-07-30
Category : Technology & Engineering
ISBN : 9783030514235

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Borehole Acoustic Logging – Theory and Methods by Hua Wang,M. Nafi Toksöz,Michael C Fehler Pdf

This book covers the principles, historical development, and applications of many acoustic logging methods, including acoustic logging-while-drilling and cased-hole logging methods. Benefiting from the rapid development of information technology, the subsurface energy resource industry is moving toward data integration to increase the efficiency of decision making through the use of advanced big data and artificial intelligence technologies, such as machine/deep learning. However, wellbore failure may happen if evaluations of risk and infrastructure are made using data mining methods without a complete understanding of the physics of borehole measurements. Processed results from borehole acoustic logging will constitute part of the input data used for data integration. Therefore, to successfully employ modern techniques for data assimilation and analysis, one must fully understand the complexity of wave mode propagation, how such propagation is influenced by the well, and the materials placed within the well (i.e., the cement, casing, and drill strings), and ultimately how waves penetrate into and are influenced by geological formations. State-of-the-art simulation methods, such as the discrete wavenumber integration method (DWM) and the finite difference method (FDM), are introduced to tackle the numerical challenges associated with models containing large material contrasts, such as the contrasts between borehole fluids and steel casings. Waveforms and pressure snapshots are shown to help the reader understand the wavefields under various conditions. Advanced data processing methods, including velocity analyses within the time and frequency domains, are utilized to extract the velocities of different modes. Furthermore, the authors discuss how various formation parameters influence the waveforms recorded in the borehole and describe the principles of both existing and potential tool designs and data acquisition schemes. This book greatly benefits from the research and knowledge generated over four decades at the Earth Resources Laboratory (ERL) of the Massachusetts Institute of Technology (MIT) under its acoustic logging program. Given its scope, the book is of interest to geophysicists (including borehole geophysicists and seismologists), petrophysicists, and petroleum engineers who are interested in formation evaluation and cementation conditions. In addition, this book is of interest to researchers in the acoustic sciences and to 4th-year undergraduate and postgraduate students in the areas of geophysics and acoustical physics.

Geophysics Under Stress

Anonim
Geophysics Under Stress Book PDF

Author : Anonim
Publisher : Unknown
Page : 152 pages
File Size : 52,8 Mb
Release : 2010
Category : Elastic waves
ISBN : 156080212X

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Geophysics Under Stress by Anonim Pdf

Provides an overview of the sensitivity of elastic waves in the earth to in situ stress, pore pressure, and the anisotropy of the rock fabric resulting from the depositional and stress history of the rock and introduces several of the applications of that sensitivity. A variety of applications and real data examples is presented, and particular emphasis is placed on the rock-physics basis underlying the use of geophysical data for solving geomechanical problems. The book, which accompanies the 2010 SEG/EAGE Distinguished Instructor Short Course, provides the basis for applying geophysics and rock-physics solutions to geomechanical challenges in exploration, drilling, and production and is aimed at a broad range of geoscientists and engineers who work in the petroleum industry. The integrated nature of the material makes the book suitable for individuals from all subsurface disciplines, including geophysics, geomechanics, rock physics, petrophysics, geology, and geomodeling as well as drilling engineering, reservoir engineering, and petroleum engineering.

Proceedings of the U.S. Geological Survey Workshop on the Application of Borehole Geophysics to Ground-water Investigations, Albany, New York, June 2-4, 1992

F. L. Paillet,John Herbert Williams
Proceedings of the U S Geological Survey Workshop on the Application of Borehole Geophysics to Ground water Investigations Albany New York June 2 4 1992 Book PDF

Author : F. L. Paillet,John Herbert Williams
Publisher : Unknown
Page : 94 pages
File Size : 50,8 Mb
Release : 1994
Category : Borings
ISBN : UOM:39015037738955

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Proceedings of the U.S. Geological Survey Workshop on the Application of Borehole Geophysics to Ground-water Investigations, Albany, New York, June 2-4, 1992 by F. L. Paillet,John Herbert Williams Pdf

Seismoelectric Exploration

Niels Grobbe,André Revil,Zhenya Zhu,Evert Slob
Seismoelectric Exploration Book PDF

Author : Niels Grobbe,André Revil,Zhenya Zhu,Evert Slob
Publisher : John Wiley & Sons
Page : 496 pages
File Size : 49,9 Mb
Release : 2020-10-08
Category : Science
ISBN : 9781119127406

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Seismoelectric Exploration by Niels Grobbe,André Revil,Zhenya Zhu,Evert Slob Pdf

Seismoelectric coupling and its current and potential future applications The seismoelectric method—the naturally-occurring coupling of seismic waves to electromagnetic fields—can provide insight into important properties of porous media. With a variety of potential environmental and engineering uses, as well as larger scale applications such as earthquake detection and oil and gas exploration, it offers a number of advantages over conventional geophysical methods. Seismoelectric Exploration: Theory, Experiments, and Applications explores the coupling between poroelastic and electromagnetic disturbances, discussing laboratory experiments, numerical modeling techniques, recent theoretical developments, and field studies. Volume highlights include: Physics of the seismoelectric effect at the microscale Governing equations describing coupled seismo-electromagnetic fields Examples of successful seismoelectric field experiments in different geological settings Current and potential applications of seismoelectric coupling Noise removal techniques for seismoelectric field measurements The American Geophysical Union promotes discovery in Earth and space science for the benefit of humanity. Its publications disseminate scientific knowledge and provide resources for researchers, students, and professionals.

Water-resources Investigations Report

Anonim
Water resources Investigations Report Book PDF

Author : Anonim
Publisher : Unknown
Page : 74 pages
File Size : 52,6 Mb
Release : 2001
Category : Hydrology
ISBN : MINN:31951P010819090

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Water-resources Investigations Report by Anonim Pdf

Poromechanics IV

Hoe I. Ling,Andrew Smyth,Raimondo Betti
Poromechanics IV Book PDF

Author : Hoe I. Ling,Andrew Smyth,Raimondo Betti
Publisher : DEStech Publications, Inc
Page : 679 pages
File Size : 47,5 Mb
Release : 2009-01-13
Category : Science
ISBN : 9781605950068

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Poromechanics IV by Hoe I. Ling,Andrew Smyth,Raimondo Betti Pdf

Based on the Biot conference, named after Maurice Biot and held at Columbia University, this book contains over 170 original papers on different phases of poromechanics in many materials from soils and minerals to human bone. It covers testing and modeling.