Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Land-reflection type
Patent
1986-03-27
1989-11-07
Steinberger, Brian S.
Communications, electrical: acoustic wave systems and devices
Seismic prospecting
Land-reflection type
346 33C, G01V 122
Patent
active
048796964
ABSTRACT:
An improved method and apparatus for initiating seismic data storage in an Isolated Distributed Recording System. An encoded acoustic signal is generated by an acoustic energy source which is detected at an isolated distributed recorder where it is correlated with a preselected correlating signal. Upon sufficient correlation between the encoded acoustic signal and the preselected correlating signal, seismic data are stored. In the preferred embodiment, the invention relates to a method and apparatus for generating an encoded seismic signal utilizing a seismic energy source. The encoded seismic signal is correlated with a preselected correlating signal at an isolated distributed recorder; upon sufficient correlation between said signals, the isolated distributed recorder is triggered to store incoming seismic data commencing at the time the seismic data were generated and extending for a predetermined time interval. The time of arrival of all the seismic data stored is time-referenced to the time the seismic data were generated by the acoustic energy source for purposes of obtaining information about the sub-surface geological environment.
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Kostelnicek Richard J.
Montes Raul R.
Exxon Production Research Company
Montes Raul R.
Steinberger Brian S.
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