Water and Wastewater Terms Beginning E

A B C D E F G H I J K L M N O P Q R S T U V W Y Z

electrical logging

A procedure used to search for water-bearing formations (aquifers) by determining the porosity (spaces or voids) of geologic materials. Electrical probes are lowered into wells, an electric current is induced at various depths, and the resistance measured indicates the porosity of the formation.