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The AAPG/Datapages Combined Publications Database
Houston Geological Society Bulletin
Abstract
Abstract: Techniques for 
Determining
Groundwater Quality
from Borehole Geophysical Logs
Determining Groundwater Quality
from Borehole Geophysical LogsBy
Collier Consulting, Stephenville, TX
In many parts of the world, techniques are needed to accurately
assess the quality and quantity of fresh and saline groundwater
resources. In determining the water quality of an aquifer
there is certainly nothing equal to a laboratory analysis of the
water. Unfortunately, however, water
samples are frequently not available.
This is true for fresh as well as saline
water aquifers.
In the absence of a water analysis, water quality can be calculated from borehole geophysical logs. Often, this is the only available method. Plus, logging data are much more abundant and more easily accessible than water analyses. In hydrocarbon-producing areas tens of thousands of borehole geophysical logs are available for aquifers that have only a few water analyses.
Determining
water quality from logs has long been a subject of
interest to log analysts. However, most of the research has been
conducted by the petroleum industry and has centered on very
saline and brine waters. Few papers have addressed groundwater
quality determination from logs of less saline waters.
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