geophysical exploration

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• Geophysical imaging — (also known as geophysical tomography) is geophysical technique that investigates the subsurface. There are many different kinds of imaging techniques, all which are based on applied physics.;Types of geophysical imaging include: *Electrical… …   Wikipedia

• Geophysical Service Incorporated — Geophysical Service Inc. (often abbreviated GSI) was founded by John Clarence Karcher and Eugene McDermott in 1930 for the purpose of using refraction and reflection seismology to explore for petroleum deposits. It became one of the most… …   Wikipedia

• Geophysical survey — refers to the systematic collection of geophysical data for spatial studies. Geophysical surveys may use a great variety of sensing instruments, and data may be collected from above or below the Earth s surface or from aerial or marine platforms …   Wikipedia

• Exploration logging — is a term used to describe the process of wireline logging, geophysical logging, geotechnical logging or geological logging of a drill hole, its core, or its rock cuttings for petrophysics or petrology. The term is usually used in the mining,… …   Wikipedia

• exploration — /ek spleuh ray sheuhn/, n. 1. an act or instance of exploring or investigating; examination. 2. the investigation of unknown regions. [1535 45; < L exploration (s. of exploratio) an examination, equiv. to explorat(us) searched out, examined (ptp …   Universalium

• Geophysical Tomography Group — The Geophysical Tomography Group was part of the Institut de Physique du Globe de Paris (Jussieu Campus). During the years 1985 2000 it made pioneering developments in the domain of nonlinear fitting of seismic waveforms. Many of the past members …   Wikipedia

• Geophysical global cooling — This article is about the obsolete theory of global cooling. For the theory positing an overall cooling of the Earth and perhaps the commencement of glaciation or even an ice age, see Global cooling. Before the concept of plate tectonics, global… …   Wikipedia

• exploration expenditure — The cost of geological or geophysical work in prospecting for oil and gas or other minerals. See mine exploration costs …   Ballentine's law dictionary

• geophysical log — n a graphic record of the measured or computed physical characteristics of the rock section encountered in a borehole, plotted as a continuous function of depth. Measurements are made by a sonde which contains the detectors, as it is withdrawn… …   Coke&Coal Terminology

• Earth exploration — Introduction   the investigation of the surface of the Earth and of its interior.  By the beginning of the 20th century most of the Earth s surface had been explored, at least superficially, except for the Arctic and Antarctic regions. Today the… …   Universalium

• Seismic exploration — is a set of geophysical methods of exploration based on a study of artificially induced waves of elastic vibrations propagating in the Earth crust. It is one of the geophysical exploration methods leading in terms of diversity of tasks to be… …   Glossary of Oil and Gas