Simultaneous performance of multiple seismic vibratory surveys

Details Simultaneous performance of multiple seismic vibratory surveys Simultaneous performance of multiple seismic vibratory surveys

1986-10-29

1987-12-22

Jordan, Charles T.

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Land-reflection type

367 40, 367 48, G01V 100

Patent

active

047150203

ABSTRACT:
The invention is a method of performing a plurality of vibratory seismic surveys simultaneously. A plurality of vibratory sources transmit signals into the earth. Each vibratory source successively transmits the same signal, except that an offset phase of the signal is selectively shifted for successive transmissions. The offset phase of the signal transmitted by each vibratory source is selected to enable the signal from each of the vibratory sources to be recovered by data processing.

REFERENCES:
patent: 3885225 (1975-05-01), Anstey et al.
patent: 3956730 (1976-05-01), Barbier
patent: 4159463 (1979-06-01), Silverman
patent: 4168485 (1979-09-01), Payton et al.
patent: 4188610 (1980-02-01), Nelson
patent: 4295213 (1981-10-01), Mifsud
Pierre L. Goupillaud, Continental Oil Company, "Signal Design in the Vibroseis.RTM. Technique" presented at the 44th Annual SEG Meeting, Nov. 12, 1974, Dallas, Tex.
R. Garotta, C.G.G., France, "Simultaneous Recording of Several Vibroseis.RTM. Seismic Lines", 1983 SEG Abstracts.
R. Garotta, "Simultaneous Recording of Several Vibroseis Lines", CGG Technical Series No. 531.83.07, presented at 45th EAEG Meeting-Oslo, Norway-Jun. 14-17, 1983.

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