Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Offshore prospecting
Patent
1979-02-01
1982-02-16
Birmiel, Howard A.
Communications, electrical: acoustic wave systems and devices
Seismic prospecting
Offshore prospecting
367 23, 367 41, 367 56, 367 58, 367 59, G01V 120, G01V 128, G01V 138
Patent
active
043162665
ABSTRACT:
A method of seismic exploration comprises transmitting waves from transmission sources into the medium to be explored and picking up signals in a receiver and recording these as traces, the signals being produced by reflection in the medium, the sequential transmission of the sources taking place at intervals less than the reflection time of the longest transmitted waves, the repeated transmission of any one source taking place at intervals at least equal to the said reflection time and therein being an intercorrelation function of a series of transmission instants of all the sources and a series of transmission instants of any one of the sources to give a relationship between the maximum peak amplitude and the secondary residue amplitude greater than a predetermined value and grouping the recorded traces corresponding to the same reflection point, adjusting the traces in relation to the associated source providing the information relating to the reflection point and adding together the adjusted traces relating to the same reflection point.
REFERENCES:
patent: 3431999 (1969-03-01), Glazier
patent: 3601790 (1971-08-01), Sasseen
patent: 3747056 (1973-07-01), Treybig et al.
patent: 3775738 (1973-11-01), Quay et al.
patent: 3790929 (1974-02-01), Mayne et al.
patent: 3811111 (1974-05-01), Barbier et al.
patent: 3838390 (1974-09-01), Nuchan et al.
patent: 3956730 (1976-05-01), Barbier
patent: 4016531 (1977-04-01), Cook et al.
Barbier Maurice G. Y.
Staron Philippe J.
Birmiel Howard A.
Societe Nationale Elf Aquitaine (Production)
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