Method of seismic exploration

Details Method of seismic exploration Method of seismic exploration

G - Physics

01

V

349/12, 349/15

G01V 1/36 (2006.01) G01V 1/133 (2006.01)

Patent

CA 1059611

METHOD OF SEISMIC EXPLORATION (D#71,200-DTA-105-F) ABSTRACT OF THE DISCLOSURE A method of suppressing noise trains that develop from harmonics of a vibrator-type sweep signal. It includes the step of generating a plurality of such sweep signals in series and with the phase of each succeeding sweep signal being shifted relative to the previous one by a predetermined phase angle which is a fraction of 2 .pi. . The generated signals are separately recorded and transformed by inverse phase shifting before being added or stacked in a conventional manner. I

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