Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Offshore prospecting
Patent
1994-04-14
1996-09-24
Eldred, J. Woodrow
Communications, electrical: acoustic wave systems and devices
Seismic prospecting
Offshore prospecting
367 21, 181110, 7317032, G01V 138
Patent
active
055597548
ABSTRACT:
A computer driven system which receives time-binned echo strength data, and hich, for each series of echo strengths received, stores the echo strength data in computer memory, and automatically associates with that data the latitude, longitude and time at which the data were generated. From these data, the algorithm classifies the sediments, which produced the echo strengths, determining such parameters as sediment acoustic impedance, porosity, attenuation, grain size, density, acoustic velocity, and shear strength. System software can produce additional result files in which these properties are associated with corresponding echo strength data. Both the raw and reduced data are displayable in human readable form, preferably on a computer monitor, for operator review. System software can also generate navigation plots which trace on a map, preferably on computer monitor, points at which data are taken, and the bottom sediment at those points. System software, in conjunction with standard computer graphics packages, can display the data in all these files, both after the fact and in near real time for operator review.
REFERENCES:
patent: 3478308 (1969-11-01), Stanley et al.
patent: 4353121 (1982-10-01), Ray et al.
patent: 4796238 (1989-01-01), Bourgeois et al.
patent: 5193077 (1993-03-01), Weiglein et al.
Carnaggio Frank S.
Lambert Douglas N.
Young David C.
Eldred J. Woodrow
McDonnell Thomas E.
Miles Edward F.
The United States of America as represented by the Secretary of
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