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About this book
With its emphasis on concepts, methods, exploration strategy and interpretation, this book is accessible both to graduate level students and geologists requiring a general introduction to electrical methods.
Contents
Part 1 The place and role of electrical methods: solid earth physics; mining; geothermal; ground water; well logging (borehole geophysics); oil and gas (surface exploration). Part 2 Electrical properties of sedimentary rocks: general; the phenomena of electrical current conduction; electrical resistivity of rocks; dielectric constant of rocks. Part 3 Direct-current resistivity methods: an overview of the methods; resistivity sounding; resistivity profiling and mapping. Part 4 Natural-source electromagnetic methods: introduction; natural electromagnetic fields; magnetotelluric (MT) methods; telluric methods. Part 5 Controlled-source electromagnetic (CSEM) methods: generalities and comparisons; controlled-source magnetotelluric (CSMT) methods; frequency-domain electromagnetic (FEM) sounding; time-domain electromagnetic (TEM) sounding. Part 6 Possibilities of direct detection of petroleum: introduction; resistivity of oil and gas reservoirs; methods said to be electromagnetic reflection; induced polarization methods; miscellaneous observations and ideas.
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