Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Land-reflection type
Patent
1988-05-27
1989-05-30
Tarcza, Thomas H.
Communications, electrical: acoustic wave systems and devices
Seismic prospecting
Land-reflection type
G01V 120
Patent
active
048357456
ABSTRACT:
A detailed seismic survey is achieved when there is general knowledge of a formation with generally steep dip by first locating the central location point and then mapping radial shot lines and receiver lines therefrom. The shot lines need to extend across the dip and beyond. The receiver lines need to extend a normal distance as with conventional 3-D seismic surveys. Shots from the central location progressing outwardly will reflect first with equal incident and reflector paths, then with a short incident to long reflector path, and finally to where long incident and short reflector paths are achieved. The data collected radially to describe the formation is near one-tenth of that required for conventional 3-D surveys where the shot lines and the receiver lines are mapped in parallel survey lines.
REFERENCES:
patent: 3731270 (1973-05-01), Penhollow
patent: 3746122 (1973-07-01), Davis
patent: 3931609 (1976-01-01), Anstey
patent: 4486863 (1984-12-01), French
patent: 4633448 (1986-12-01), Koeijmans
patent: 4672545 (1987-01-01), Lin et al.
patent: 4803668 (1989-02-01), Berrylill et al.
Duren Richard E.
Young Dewey R.
Exxon Production Research Company
Lobo Ian J.
Tarcza Thomas H.
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