Selecting offset as a function of time and velocity to stack sei

Details Selecting offset as a function of time and velocity to stack sei Selecting offset as a function of time and velocity to stack sei

1980-12-31

1984-10-09

Moskowitz, Nelson

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Land-reflection type

367 56, 367 59, G01V 136

Patent

active

044765517

ABSTRACT:
In seismic exploration a method for improving seismogram displays is disclosed wherein seismograms having an offset which produces poor signal power are muted and seismograms having offsets with high signal power are stacked. The signal power in a CDP set is determined as a function of different values of assumed acoustic velocity of the earth. This signal detection is repeated for successive values of travel time and offset. The maximum signal power is plotted for values of velocity as a function of travel time and for different ranges of offset to form contours of the maximum signal power as a function of time and offset.

REFERENCES:
patent: 3449047 (1969-06-01), Hartmann
patent: 3651451 (1972-03-01), Ruehle
patent: 3696331 (1972-10-01), Guinzy et al.
patent: 4206509 (1980-06-01), Ruehle
patent: 4241429 (1980-12-01), Bloomquist et al.
patent: 4316268 (1982-02-01), Ostrander
J. A. Coffeen, "Seismic Exploration Fundamentals", PPC Books, a Division of The Petroleum Publishing Co., Tulsa, Okla., pp. 108, 109 and FIGS. 5-15.

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