Surface geophysical techniques determine density, magnetic, and acoustical properties of a geologic medium. Three geophysical methods used in petroleum exploration comprise magnetic, gravimetric, and seismic (including refraction/reflection) techniques. The magnetic and gravity methods are used only in primary surveys where little is known of the subsurface geology and/or the thickness of sediments of potential prospective interest. The seismic reflection method is universally used for determining the underground geological structure of a reservoir rock in a certain area. The method(s) selected will depend on the type of information needed, the nature of the subsurface materials, and the cultural interference.
CITATION STYLE
Assaad, F. A. (2009). Surface Geophysical Petroleum Exploration Methods. In Field Methods for Petroleum Geologists (pp. 21–23). Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-540-78837-9_3
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