Electrical well logging is a kind of geophysical logging tool for ground water exploration. It involves the continuous recording of electrical resistance, resistivity and spontaneous potential (SP) of formations of a drilled bore hole. This helps to identify the formations and also delineate freshwater aquifers from saline aquifers.It is also used to delineate the fracture system in hard-rock terrain, for rejuvenation of poor/low-yielding bore wells.
This presentation briefly looks at the various types of geophysical logging methods, and looks at the steps involved in electrical well logging. This is followed by a case study of the implementation of electrical well logging in Chidambaram taluk, Cuddalore district (TN). This presentation has been made by TS Badrinarayanan, Geo-scientist with B-Square Geo Tech Services.
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