A. Cheng – författare

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3 produkter

Del 24 - Handbook of Geophysical Exploration: Seismic Exploration

Quantitative Borehole Acoustic Methods

AvX.M. Tang,A. Cheng

Inbunden, Engelska, 2004

1 378 kr

Skickas inom 10-15 vardagar

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.

Del 14 - Theory and Applications of Transport in Porous Media

Seawater Intrusion in Coastal Aquifers

Concepts, Methods and Practices

AvJacob Bear,A. Chengm. fl.

Inbunden, Engelska, 1999

544 kr

Skickas inom 10-15 vardagar

This volume covers the theories and practices of sea water intrusion in coastal aquifers. The subjects range from basics, such as the physical background and the mathematical theory, to technologies in geophysical and geochemical survey, monitoring, exploitation and restoration of aquifers, planning and management. For engineers, quantitative tools such as analytical solutions, numerical techniques, and stochastic analysis methodologies are provided. Several numerical codes that include two popular USGS computer programs SHARP and SUTRA, written by the original developers, and other advanced codes, are available for sharp interface and density-dependent transport modeling. Case studies include those of the USA, the Netherlands, Israel, and Egypt.

Del 14 - Theory and Applications of Transport in Porous Media

Seawater Intrusion in Coastal Aquifers

Concepts, Methods and Practices

AvJacob Bear,A. Chengm. fl.

Häftad, Engelska, 2010

544 kr

Skickas inom 10-15 vardagar

This book provides a comprehensive coverage of the theories and practices of sea water intrusion in coastal aquifers, written by a select group of more than two dozen international experts. The subjects range from the fundamentals such as the physical background and the mathematical theory, to the newest technologies in geophysical and geochemical survey, monitoring, exploitation and restoration of aquifers, planning and management. For engineers, quantitative tools such as analytical solutions, numerical techniques, and stochastic analysis methodologies are provided. Several numerical codes that include two popular USGS computer programs SHARP and SUTRA, written by the original developers, and other advanced codes, are available for sharp interface and density-dependent transport modeling. Case studies include those of the USA, the Netherlands, Israel, and Egypt. Audience: This book is well suited for students learning the subject, professionals for enrichment of new information and technologies, water resources planners for broadening their knowledge and options for combating sea water intrusion.

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A. Cheng – författare

Quantitative Borehole Acoustic Methods

Seawater Intrusion in Coastal Aquifers

Seawater Intrusion in Coastal Aquifers

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