Seismic prospecting using a continuous shooting and continuous r

Details Seismic prospecting using a continuous shooting and continuous r Seismic prospecting using a continuous shooting and continuous r

1980-10-06

1984-07-03

Wilbur, Maynard R.

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

367 23, 367 49, G01V 122, G01V 128

Patent

active

044583397

ABSTRACT:
A method of seismic prospecting is disclosed in which the seismic source is excited in such a manner as to maximize the use of the energy generated by the seismic source. In certain cases it may be desirable to convert the received seismic signals to their frequency domain counterparts before performing subsequent processing. Such conversion may be performed using the discrete Fourier transform with the result that transformed values are obtained only at certain discrete frequencies. It may further be desirable that processing be performed only at subsets of the total set of discrete frequencies with the values at the remaining frequencies being discarded. In the practice of the present invention, source energy is generated only at those discrete frequencies at which subsequent processing is to be performed. As a result there is substantially no source energy in the transform values at the frequencies which are discarded.

REFERENCES:
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patent: 4188610 (1980-02-01), Nelson
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patent: 4204278 (1980-05-01), Nelson
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patent: 4218765 (1980-08-01), Kinkade
patent: 4295213 (1981-10-01), Mifsud
patent: 4314364 (1982-02-01), Bickel
W. H. Hayt and J. E. Kemmerly, Engineering Circuit Analysis, McGraw-Hill 1978, pp. 613, 616.

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