Digital reflection searching and section plotting

Details Digital reflection searching and section plotting Digital reflection searching and section plotting

1977-03-15

1981-11-03

Birmiel, Howard A.

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Land-reflection type

367 63, 367 74, 364421, G01V 130

Patent

active

042989680

ABSTRACT:
The specification describes methods of and apparatus for converting seismic data to migrated seismic depth sections. The apparatus includes a curve follower for following lines of continuity on seismic time sections which represent reflections from particular subsurface interfaces. The curve follower generates signals representing occurrence times and horizontal distances at successive increments along the lines of continuity. These signals are applied to a digital computer which performs a migration operation and generates signals representing the attitude, actual depth and horizontal displacement of successive points on the interfaces. An automatic plotter plots reflection segments at the correct attitude, actual depth and horizontal displacement to produce the migrated seismic depth section.

REFERENCES:
patent: 2427421 (1947-09-01), Rieber
patent: 3149302 (1964-09-01), Klein et al.
patent: 3149303 (1964-09-01), Klein et al.
patent: 3284765 (1966-11-01), Bratton et al.
Jakosky, Exploration Geophysics, Trija Publishing Co., Calif., 2nd et ed. c. 1940, pp. 679-688.

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