Seismic Survey

сеизмичко истражување

B: (Fisika) survai seismik; sigi seismik
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pesquisa sísmica

A method of establishing a detailed subsurface structure of rocks, by detecting and measuring the reflection of acoustic shock waves from the various layers of rock. It is used to locate potential oil or gas bearing structures before drilling. Modern data processing enables the generation of 3D images of these underground structure. See also: acoustic log, air gun, anticline, syncline.