Method for removing coherent noise from seismic data through f-x

Details Method for removing coherent noise from seismic data through f-x Method for removing coherent noise from seismic data through f-x

1991-01-04

1991-11-19

Lobo, Ian J.

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Land-reflection type

364421, 367 49, 367 44, G01V 128, G01V 136

Patent

active

050671120

ABSTRACT:
In seismic exploration, seismic reflections from subsurface formations are recorded in the form of a time-distance array of seismic traces. This array is transformed into a frequency-distance domain. Frequencies at which coherent noise resides within the frequency-distance domain are determined. Wavenumbers corresponding to such frequenices are removed by filtering. The wavenumber-filtered, frequency-distance domain of seismic traces are then transformed back into a time-distance array of seismic traces.

REFERENCES:
patent: 4218765 (1980-08-01), Kinkade
patent: 4380059 (1983-04-01), Ruehle
patent: 4594693 (1986-06-01), Pann et al.
patent: 4853903 (1989-08-01), Linville, Jr. et al.
patent: 4860265 (1989-08-01), Laster et al.

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