Correction for variable water-column velocity in seismic data

Details Correction for variable water-column velocity in seismic data Correction for variable water-column velocity in seismic data

1990-06-18

1991-02-12

Moskowitz, Nelson

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Offshore prospecting

367902, 364421, G01V 122, G01V 138

Patent

active

049929933

ABSTRACT:
In a marine seismic survey, a method for measuring the acoustic properties of the water mass at each seismic station along a line of survey by recovering acoustic reflections from discrete discontinuities within the water above the water-bottom reflection. A profile of the velocity distribution within the water column is calculated from a conventional velocity analysis.

REFERENCES:
patent: 3274608 (1966-09-01), Ewing et al.
patent: 3388372 (1968-06-01), DeWitz
patent: 4319347 (1982-03-01), Saint
patent: 4558437 (1985-12-01), Meedes et al.
patent: 4577297 (1986-03-01), Kalkomey et al.
patent: 4866679 (1989-09-01), Chambers
Lishman et al., "Approximating Subsurface Structure . . . Technique", Geophysics, vol. 54, #11, pp. 1397-1409, 11/89; abst. only provided.
Bryan et al., "Anisotropic Velocity Analysis for Lithology Discrimination", Geophysics, vol. 54, #12, pp. 1564-1574, 12/89; abst. only provided.

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