Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Land-reflection type
Patent
1979-05-29
1982-05-18
Birmiel, Howard A.
Communications, electrical: acoustic wave systems and devices
Seismic prospecting
Land-reflection type
367 68, 367 73, 364421, G01V 128
Patent
active
043308732
ABSTRACT:
This invention utilizes data collected in the course of reflection seismic prospecting methods to produce a map, such as a vertical profile or a three-dimensional picture, of subterranean earth formations. This is accomplished by aplanatic mapping of received seismic wave trains in the memory unit of a computer taking into account the travel times of waves, the location of the source, the location of the receiver, and the velocity with which the waves travel from the source point to the deflecting point in the earth and from then to the receiver. The data recorded by each source receiver doublet is digitalized and stored aplanatically in the memory unit, taking into account both signs and amplitudes of the signals. The accumulated data represents a map of the earth formations. Sections of this map are plotted to provide desired views of the formations.
REFERENCES:
patent: 3353151 (1967-11-01), Rockwell
patent: 3691529 (1972-09-01), Pizante et al.
Seismography 1970, The Writing of the Earth Waves, R. A. Peterson, Nov. 1969, United Geophysical Company.
"A Process of Seismic Reflection Interpretation", Geophysical Prospecting, J. G. Hagedoorn, vol. II, No. 2, Jun. 54.
Birmiel Howard A.
Lawlor Reed C.
Smith Robert C.
United Geophysical Corporation
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