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1st Edition

A Practical Guide to Borehole Geophysics in Environmental Investigations

By W. Scott Keys Copyright 1997
    ISBN 9781566702324
    192 Pages
    Published December 9, 1996 by CRC Press

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    ISBN 9781138474994
    176 Pages
    Published November 10, 2017 by CRC Press

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    Borehole geophysics is frequently applied in hydrogeological environmental investigations where, for example, sites must be evaluated to determine the distribution of contaminants. It is a cost-effective method for obtaining information during several phases of such investigations.
    Written by one of world's leading experts in the field, A Practical Guide to Borehole Geophysics in Environmental Investigations explains the basic principles of the many tools and techniques used in borehole logging projects. Applications are presented in terms of broad project objectives, providing a hands-on guide to geophysical logging programs, including specific examples of how to obtain and interpret data that meet particular hydrogeologic objectives.

    Chapter 1. Introduction
    Benefits and Limitations of Logging
    Logging Equipment
    Chapter 2. Environmental Applications of Borehole Geophysics
    Site Selection and Design
    Verifying Well Construction
    Monitoring Contaminant Distribution
    Planning Remediation Programs
    Chapter 3. Planning an Environmental Logging Program
    Selecting the Most Useful Logs Based on Project Goals
    How Geology and Hydrology Affect Log Selection
    How Well Construction Affects Log Selection
    Who Will Do the Logging and Log Analysis
    Chapter 4. Log Analysis
    Qualitative Analysis
    Quantitative Analysis
    Synergistic Analysis
    Computer Analysis
    Borehole Effects
    Chapter 5. Log Quality Control
    Operation of Logging Equipment
    Log Headings
    Calibration and Standardization of Logs
    ASTM Standard Guide
    Chapter 6. Electric Logs
    Spontaneous Potential
    Single-Point Resistance
    Normal Resistivity
    Focused Resistivity
    Other Multielectrode Methods
    Chapter 7. Nuclear Logs
    Gamma Spectra
    Chapter 8. Acoustic Logs
    Acoustic Velocity
    Acoustic Waveform
    Chapter 9. Borehole-Imaging Logs
    Acoustic Televiewer
    Borehole Television
    Chapter 10. Caliper Logs
    What is Measured and How
    Applications and Interpretation
    Chapter 11. Fluid Logs
    Chapter 12. Well-Construction Logs
    Casing and Screens
    Annular Materials
    Cement Bond
    Vertical Leakage
    Borehole Deviation
    Chapter 13. Case Histories
    Hardage Site
    Idaho National Engineering Laboratory
    Cape Cod
    Loring Air Force Base
    "…is an excellent guide for environmental project managers considering the use of geophysical logs or managing projects that involve their use. For individuals directly involved in the acquistion or analysis of log data it provides an outstanding foundation for technical growth. In view of the background and experience of the author it is also worthwhile addition to the reference libraries of experienced log analysis."
    --Robert W. Taylor, in Groundwater, March-April, 1999, Vol. 37, No. 2:170

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