Method of seismic processing and displaying simultaneously colle

Details Method of seismic processing and displaying simultaneously colle Method of seismic processing and displaying simultaneously colle

1983-04-20

1986-06-24

Moskowitz, Nelson

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Land-reflection type

367 74, 367 50, 364421, G01V 136

Patent

active

045970661

ABSTRACT:
This invention relates to a method of increasing resolution of high-intensity amplitude events in seismic records provided by common midpoint collection methods (CMP) wherein nonsymmetrical travel paths of incident and reflected rays of the generated conventional waves are taken into account prior to trace stacking due to the dip and depth of the target reflector. Then in accordance with the invention, the converted phases of the conventional seismic wave, are processed as to define a series of common reflection point (CRP) coordinates each associated with a gather of converted traces as if a source associated with a given corrected trace was placed at each CRP and activated followed immediately by the relocation of a detector at the CRP and the reception of converted phases of the generated wave comprising the trace where the equation of coordinate transformation is selected from the group comprising: ##EQU1## where ##EQU2## Vp and Vs are the P-wave and Sv-wave velocities, respectively, of the overburden;

REFERENCES:
patent: 4373197 (1983-02-01), Gassaway et al.
"Digital Processing of Transformed Reflected Waves", Nefedkina et al., Geologiyai Geofizika, vol. 21, #4, pp. 67-77, 1980.
"Velocity Spectra-Digital Computer . . . ", Taner et al., Geophysics, vol. 34, #6, pp. 859-881, 12/69.

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