Method for enhancing seismic data

Details Method for enhancing seismic data Method for enhancing seismic data

1991-03-25

1992-09-22

Moskowitz, Nelson

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Land-reflection type

367 73, 364421, 3649245, G01V 136, G01V 124

Patent

active

051503310

ABSTRACT:
A method for enhancing seismic data is described for attenuating undesired coherent noise in both stacked seismic signals as well as in unstacked ordered gathers of seismic signals. In particular, coherent noise, as represented by reflection events, is identified to be attenuated, and a datum line is constructed in the seismic data. Each seismic signal can then be nonhyperbolically time-shifted so as to align the identified reflection event with the datum line. The seismic data can then be filtered with a dip filter having a dip angle corresponding to that of the datum line to attenuate the aligned reflection event.

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patent: 5073876 (1991-12-01), Propes
Thorsen et al., 57th Annu. Soc. Explor. Geophys. Int ortg Oct. 15, 1987, pp. 458-460, p. No. 53-3; abstract only provided.
Maber et al., Same meeting at above in R.; pp. 471-473, p. No. S3-7; abstract only provided.

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