Seismic exploration using non-impulsive vibratory sources activa

Details Seismic exploration using non-impulsive vibratory sources activa Seismic exploration using non-impulsive vibratory sources activa

1981-10-28

1984-12-04

Moskowitz, Nelson

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Land-reflection type

367100, 364421, G01V 120, G01V 136

Patent

active

044868669

ABSTRACT:
The disclosed invention is a method of seismic exploration using non-impulsive vibratory sources activated by stationary, Gaussian codes. The method has the channel-capacity economy of sign-bit recording and the distortion-free quality of full-waveform seismic records, even through zero memory, non-linear representations ("ZNL's") are employed either during the collection or the processing steps that produce such final records. As a result, stratigraphic facies can be both economically and surprisingly indicated.

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Bernhardt et al., "Encoding Techniques for the Vibroseis System," 3/78, Geophy. Prop., vol. 26, #1.
Barbier, "Sosia, A New Seismic Method", 11/12/70, pp. 1-23, Mtg. of Soc. of Expl. Geophy.
Evisar, "The Pulsed Vibrator as a Seismic Source", 6/57, pp. 383-391, 12th Mtg. of Europ. Assoc. of Expl. Geophys.

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