Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Land-reflection type
Patent
1982-05-20
1985-07-30
Moskowitz, Nelson
Communications, electrical: acoustic wave systems and devices
Seismic prospecting
Land-reflection type
367 48, 367 49, 367 59, 364421, G01V 128, G01V 136
Patent
active
045326185
ABSTRACT:
A seismic signal is created, processed and recorded and then analyzed to determine the nature of subterranean formations. A method of creating, processing and recording a seismic signal comprises the steps of creating a seismic signal; detecting the seismic signal at a first location during a selected time period simultaneously within a first frequency bandwidth and within a second frequency bandwidth, the second frequency bandwidth at least partially overlapping the first frequency bandwidth; creating a first band limited electrical signal representative of the seismic signal at the first location during a selected time period within the first frequency bandwidth; creating a second band limited electrical signal representative of the seismic signal at the first location during a selected time period within the second frequency bandwidth; combining the two band limited signals into a single signal having a frequency bandwidth including the first frequency bandwidth and the second frequency bandwidth; and displaying the single signal. The method according to the present invention permits optimal processing of each band limited signal, such that the displayed single signal possesses a relatively high signal-to-noise ratio and relatively accurately represents the original seismic signal.
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Seismic Signal Processing by Lawrence C. Wood and Sven Treitel--Proceedings of the IEEE, vol. 63, No. 4, Apr. 1975.
Brown Rodney F.
Hummel Jack L.
Marathon Oil Company
Moskowitz Nelson
Steinberger Brian
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