Acoustic Radiation Patterns For Borehole Sources
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Total Pages | : |
Release | : 1981 |
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Download Acoustic Radiation Patterns for Borehole Sources Book in PDF, Epub and Kindle
Amplitudes of S and P waves from commercial borehole acoustic logging tools depend on the angle between the borehole axis and the direction of propagation as well as the distance between source and receiver. Knowledge of the angular dependence or radiation pattern, is necessary to properly measure the attenuation of waves traveling between two boreholes. Functional expressions are shown for the S and P-waves amplitudes. Experimental work in relatively homogeneous granite suggests that this relationship adequately describes the radiation pattern for both explosive sources and for acoustic transducers placed in fluid filled boreholes. Using these functional expressions for the S and P-wave amplitudes a technique was developed to estimate Q, the quality factor, and locate discrete fractures in crystalline rock that compose the Hot Dry Rock Geothermal Reservoir at Fenton Hill, New Mexico.
Author | : Michael Fehler |
Publisher | : |
Total Pages | : |
Release | : 1981 |
Genre | : Boring |
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Download Acoustic Radiation Patterns for Borehole Sources Book in PDF, Epub and Kindle
Author | : Ticie A. Taylor |
Publisher | : |
Total Pages | : 76 |
Release | : 1985 |
Genre | : Geology |
ISBN | : |
Download Bibliography of Borehole Geophysics as Applied to Ground-water Hydrology Book in PDF, Epub and Kindle
Author | : David Pardo |
Publisher | : Elsevier |
Total Pages | : 314 |
Release | : 2021-05-22 |
Genre | : Science |
ISBN | : 0128214651 |
Download Modeling of Resistivity and Acoustic Borehole Logging Measurements Using Finite Element Methods Book in PDF, Epub and Kindle
Modeling of Resistivity and Acoustic Borehole Logging Measurements Using Finite Element Methods provides a comprehensive review of different resistivity and sonic logging instruments used within the oil industry, along with precise and solid mathematical descriptions of the physical equations and corresponding FE formulations that govern these measurements. Additionally, the book emphasizes the main modeling considerations that one needs to incorporate into the simulations in order to obtain reliable and accurate results. Essentially, the formulations and methods described here can also be applied to simulate on-surface geophysical measurements such as seismic or marine controlled-source electromagnetic (CSEM) measurements. Simulation results obtained using FE methods are superior. FE methods employ a mathematical terminology based on FE spaces that facilitate the design of sophisticated formulations and implementations according to the specifics of each problem. This mathematical FE framework provides a highly accurate, robust, and flexible unified environment for the solution of multi-physics problems. Thus, readers will benefit from this resource by learning how to make a variety of logging simulations using a unified FE framework. Provides a complete and unified finite element approach to perform borehole sonic and electromagnetic simulations Includes the latest research in mathematical and implementation content on Finite Element simulations of borehole logging measurements Features a variety of unique simulations and numerical examples that allow the reader to easily learn the main features and limitations that appear when simulating borehole resistivity measurements
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Total Pages | : 70 |
Release | : 1984 |
Genre | : Geology |
ISBN | : |
Download U.S. Geological Survey Circular Book in PDF, Epub and Kindle
Author | : Ticie A. Taylor |
Publisher | : |
Total Pages | : 504 |
Release | : 1984 |
Genre | : Geology |
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Download The Conterminous United States Mineral Appraisal Program Book in PDF, Epub and Kindle
Author | : Frederick L. Paillet |
Publisher | : CRC Press |
Total Pages | : 282 |
Release | : 2023-07-14 |
Genre | : Science |
ISBN | : 1000943305 |
Download Acoustic Waves in Boreholes Book in PDF, Epub and Kindle
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.
Author | : |
Publisher | : |
Total Pages | : 582 |
Release | : 1991-10 |
Genre | : Power resources |
ISBN | : |
Download Energy Research Abstracts Book in PDF, Epub and Kindle
Author | : |
Publisher | : |
Total Pages | : 668 |
Release | : 1976 |
Genre | : Geothermal engineering |
ISBN | : |
Download Geothermal Energy Update Book in PDF, Epub and Kindle
Author | : Frederick L. Paillet |
Publisher | : CRC Press |
Total Pages | : 284 |
Release | : 1991-10-29 |
Genre | : Science |
ISBN | : 9780849388903 |
Download Acoustic Waves in Boreholes Book in PDF, Epub and Kindle
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.