Noise attenuation method

Details Noise attenuation method Noise attenuation method

1991-05-22

1992-08-11

Lobo, Ian J.

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Land-reflection type

367 21, 364421, G01V 132

Patent

active

051385830

ABSTRACT:
A method for attenuating coherent and incoherent noise in seismic signal data is provided. Seismic signal data is transformed from a time-space domain using a Radon-transform domain. In the Radon-transform domain, coherent noise is attenuated by muting and incoherent noise is attenuated by diversity stacking. Data remaining in the Radon-transform domain in transformed back to the time-space domain by an inverse Radon transform.

REFERENCES:
patent: 3398396 (1968-08-01), Embree
patent: 4628492 (1986-12-01), Winney
patent: 4760563 (1988-07-01), Beylkin
patent: 4779238 (1988-10-01), Howard
Articles: "Part 1 & 2--Noise Elimination & Radon Transform by B. Russell, D. Hampson & J. Chun, Oct. 1990 & Nov. 1990 Geophysics: The Leading Edge of Exploration".
Article: "Interactive Median Stack" by O. E. Naess & L. Bruland.
Articles: "Slant Stacks & Intervals of Optimum Stacking", by Raul Estevez, SPE 11, pp. 157-166, 1977 and Variable Velocity Anti-Aliasing Window for Slant Stacking, by William Gray, SPE 13, pp. 84-89, 1977.

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