Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Land-reflection type
Patent
1995-03-27
2000-04-18
Lobo, Ian J.
Communications, electrical: acoustic wave systems and devices
Seismic prospecting
Land-reflection type
367 37, 367 59, G01V 100
Patent
active
060523336
ABSTRACT:
Monofrequency continuous wave signals of long duration are used as inputs form sources of known characteristics and location. These signals are reflected off subterranean features and serve to paint the features for display and evaluation. A primary feature is the use of continuous wave, long duration signals as opposed to the standard short pulse technique.
REFERENCES:
patent: 2906363 (1959-09-01), Clay, Jr.
patent: 3066754 (1962-12-01), Johnson
patent: 3221297 (1965-11-01), Smith et al.
patent: 3881168 (1975-04-01), Farr et al.
patent: 4758998 (1988-07-01), Johnson et al.
Beard William J.
Delhommer Harold J.
Lobo Ian J.
Texaco Inc.
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