Method and apparatus for filtering seismic data

Details Method and apparatus for filtering seismic data Method and apparatus for filtering seismic data

1986-04-24

1988-07-12

Tarcza, Thomas H.

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Land-reflection type

367 44, 367 63, G01J 136

Patent

active

047574801

ABSTRACT:
A method and apparatus for filtering seismic data are provided. More particularly, the method and apparatus of the present invention attenuate surface wave generated noise in seismic-trace signals. Seismic data comprising multicomponent seismic-trace signals acquired with single station, multicomponent geophone arrays are comb filtered to produce a plurality of comb filtered signals for each component of the multicomponent seismic-trace signal. The comb filtered signals are sorted into orthogonal sets and a measure of rectilinearity for each orthogonal set is obtained. Surface wave generated noise can then be attenuated in each orthogonal set with its respective measure of rectilinearity.

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patent: 3284769 (1966-11-01), Skelton
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patent: 4312050 (1982-01-01), Lucas
patent: 4458341 (1984-07-01), Goebel
J. E. White, "Motion Product Seismograms," Geophysics, V. XXIX, No. 2, Apr. 1964, pp. 288-298.
E. A. Flinn, "Signal Analysis Using Rectilinearity and Direction of Particle Motion," Dec. 1985, Proc IEEE, pp. 1874-1876.
C. W. Frasier and R. G. North, 1977, "Polarization Filtering of Long-Period SRO Data: Seismic Discriminations," Semiannual Tech Summary, Lincoln Labs.
John I. Bobbitt, "Three-Component Rayleigh Wave Filter," 1984 SEG Annual Meeting.

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