BS 7022:1988
Current
The latest, up-to-date edition.
Guide for geophysical logging of boreholes for hydrogeological purposes
Hardcopy , PDF
English
02-28-1989
Foreword
Committees responsible
Guide
0. Introduction
1. Scope
2. Definitions
4. Units of measurement
5. Purpose of geophysical logging
5.1 General
5.2 Formation logging
5.3 Fluid logging
5.4 Construction logging
5.5 Selection of logs
6. Planning
6.1 Statutory obligations
6.2 General considerations
6.3 Safety around wells, boreholes and shafts
6.4 Site access
6.5 Access within a borehole
6.6 Equipment
6.7 Borehole details
6.8 Logging sequence
7. Formation logging
7.1 General
7.2 Electric logs
7.3 Natural gamma ray logs
7.4 Neutron-neutron (porosity) logs
7.5 Gamma-gamma (density) logs
7.6 Sonic logs
8. Fluid logging
8.1 General
8.2 Temperature
8.3 Conductivity
8.4 Flow
9. Construction logging
9.1 General
9.2 Caliper
9.3 Casing collar locator
9.4 Cement bond
9.5 Closed circuit television log
10. Log presentation
10.1 General
10.2 Log headers
10.3 Track layout
10.4 Log parameter scales
10.5 Depth scales
10.6 Composite logs
10.7 Differential logs
Appendix
A. Selected bibliography
Tables
1. Parameters and units of measurement
2. Application and limitation of geophysical logs
Figures
1. Basic geophysical logging system
2. A composite suite of geophysical logs
3. Correlation between boreholes using natural gamma-
ray logs
4. Example of the effect of flow mixing in a borehole
5. Electrically equivalent concentrations of a sodium
chloride solution as a function of conductivity
and temperature
6. Site and logging information sheets: header section
7. Site and logging information sheets: tail section
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