A Practical Guide to Borehole Geophysics in Environmental Investigations: 1st Edition (Paperback) book cover

A Practical Guide to Borehole Geophysics in Environmental Investigations

1st Edition

By W. Scott Keys

CRC Press

192 pages

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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.


"…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

Table of Contents

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




Subject Categories

BISAC Subject Codes/Headings:
SCIENCE / Earth Sciences / General
SCIENCE / Environmental Science
TECHNOLOGY & ENGINEERING / Environmental / Water Supply