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Biochemical Sedimentary
Rocks The Earth System involves many interactions between living organisms and the physical planet. Numerous…
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Clastic Sedimentary Rocks Formation
Nine hundred years ago, a thriving community of Native Americans inhabited the high plateau of…
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Types of Caprocks in Petroleum System
Cap rock Caprock is a rock that prevents the flow of a given fluid at…
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Induced Polarization
Introduction Conrad Schlumberger (Dobrin 1960) probably was first to report the induced polarization phenomenon, which…
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Electrical Methods
Basic Concept Electrical geophysical prospecting methods detect the surface effects produced by electric current flow…
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Seismic Wave Theory
Compressional Waves, which are also called P waves, are basically the same as sound (acoustic)…
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Electric resistivity methods
rface. These methods utilize differences in electric potential to identify subsurface material. Fundamentals Resistivity is…
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Magnetic Methods
Basic Concepts The Earth possesses a magnetic field caused primarily by sources in the core. …
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Gravity Methods
Lateral density changes in the subsurface cause a change in the force of gravity at…
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Geophysical Methods
Geophysical techniques work through applying one of several types of force to the ground, to…