A seismic survey is a geophysical technique used to investigate subsurface rock formations and identify potential hydrocarbon reservoirs. It involves creating and recording waves of energy, usually by setting off small explosive charges or using vibrating machines, and measuring how these waves are reflected or refracted by the different layers of earth. The resulting data is then processed to create detailed images of the subsurface, which can be used to guide exploration and production activities in the oil and gas industry.
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