Method for the interpretation of seismic records to yield valuab

Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Land-reflection type

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367 47, 367 59, 367 74, 364421, G01V 134, G01V 136

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active

045546495

ABSTRACT:
In accordance with the present invention, progressive changes in amplitude as a function of offset of common gathers can be more easily identified by emphasizing the degree of amplitude variation between "near" and "far" amplitude vs. time traces of each gather along a seismic line, and displaying the resulting near and far offset sections side-by-side. A significant--and progressive--change in P-wave reflection coefficient as a function of the angle of incidence (within sections) indicates valuable characteristics, say the fluid hydrocarbon-bearing potential and/or the lithology of the reflecting horizon.

REFERENCES:
patent: 3354985 (1967-12-01), Sparks
patent: 4008459 (1977-02-01), Walker, Jr.
patent: 4316267 (1982-02-01), Ostrander
patent: 4316268 (1982-02-01), Ostrander
patent: 4330872 (1982-05-01), Bratton
patent: 4403313 (1983-09-01), Garotta

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